annotate Objects/typeobject.c @ 58765:2ba7677bfa95 legacy-trunk

testCopysign was defined twice in test_math; combine the definitions
author Mark Dickinson <dickinsm@gmail.com>
date Sat, 06 Feb 2010 23:11:25 +0000
parents c2e4cfbb398c
children 20497d85e011
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
6
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1 /* Type object implementation */
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2
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3 #include "Python.h"
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4 #include "structmember.h"
6
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5
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6 #include <ctype.h>
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7
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8
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9 /* Support type attribute cache */
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10
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11 /* The cache can keep references to the names alive for longer than
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12 they normally would. This is why the maximum size is limited to
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13 MCACHE_MAX_ATTR_SIZE, since it might be a problem if very large
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14 strings are used as attribute names. */
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15 #define MCACHE_MAX_ATTR_SIZE 100
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16 #define MCACHE_SIZE_EXP 10
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17 #define MCACHE_HASH(version, name_hash) \
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18 (((unsigned int)(version) * (unsigned int)(name_hash)) \
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19 >> (8*sizeof(unsigned int) - MCACHE_SIZE_EXP))
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20 #define MCACHE_HASH_METHOD(type, name) \
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21 MCACHE_HASH((type)->tp_version_tag, \
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22 ((PyStringObject *)(name))->ob_shash)
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23 #define MCACHE_CACHEABLE_NAME(name) \
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24 PyString_CheckExact(name) && \
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25 PyString_GET_SIZE(name) <= MCACHE_MAX_ATTR_SIZE
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27 struct method_cache_entry {
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28 unsigned int version;
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29 PyObject *name; /* reference to exactly a str or None */
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30 PyObject *value; /* borrowed */
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31 };
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33 static struct method_cache_entry method_cache[1 << MCACHE_SIZE_EXP];
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34 static unsigned int next_version_tag = 0;
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35
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36 unsigned int
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37 PyType_ClearCache(void)
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38 {
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39 Py_ssize_t i;
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40 unsigned int cur_version_tag = next_version_tag - 1;
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41
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42 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) {
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43 method_cache[i].version = 0;
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44 Py_CLEAR(method_cache[i].name);
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45 method_cache[i].value = NULL;
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46 }
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47 next_version_tag = 0;
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48 /* mark all version tags as invalid */
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49 PyType_Modified(&PyBaseObject_Type);
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50 return cur_version_tag;
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51 }
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52
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53 void
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54 PyType_Modified(PyTypeObject *type)
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55 {
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56 /* Invalidate any cached data for the specified type and all
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57 subclasses. This function is called after the base
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58 classes, mro, or attributes of the type are altered.
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59
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60 Invariants:
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61
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62 - Py_TPFLAGS_VALID_VERSION_TAG is never set if
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63 Py_TPFLAGS_HAVE_VERSION_TAG is not set (e.g. on type
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64 objects coming from non-recompiled extension modules)
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65
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66 - before Py_TPFLAGS_VALID_VERSION_TAG can be set on a type,
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67 it must first be set on all super types.
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68
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69 This function clears the Py_TPFLAGS_VALID_VERSION_TAG of a
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70 type (so it must first clear it on all subclasses). The
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71 tp_version_tag value is meaningless unless this flag is set.
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72 We don't assign new version tags eagerly, but only as
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73 needed.
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74 */
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75 PyObject *raw, *ref;
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76 Py_ssize_t i, n;
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77
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78 if (!PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG))
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79 return;
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80
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81 raw = type->tp_subclasses;
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82 if (raw != NULL) {
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83 n = PyList_GET_SIZE(raw);
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84 for (i = 0; i < n; i++) {
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85 ref = PyList_GET_ITEM(raw, i);
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86 ref = PyWeakref_GET_OBJECT(ref);
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87 if (ref != Py_None) {
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88 PyType_Modified((PyTypeObject *)ref);
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89 }
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90 }
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91 }
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92 type->tp_flags &= ~Py_TPFLAGS_VALID_VERSION_TAG;
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93 }
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94
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95 static void
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96 type_mro_modified(PyTypeObject *type, PyObject *bases) {
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97 /*
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98 Check that all base classes or elements of the mro of type are
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99 able to be cached. This function is called after the base
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100 classes or mro of the type are altered.
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101
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102 Unset HAVE_VERSION_TAG and VALID_VERSION_TAG if the type
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103 inherits from an old-style class, either directly or if it
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104 appears in the MRO of a new-style class. No support either for
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105 custom MROs that include types that are not officially super
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106 types.
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107
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108 Called from mro_internal, which will subsequently be called on
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109 each subclass when their mro is recursively updated.
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110 */
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111 Py_ssize_t i, n;
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112 int clear = 0;
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113
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e224ad4b8b8c Whitespace cleanup
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diff changeset
114 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG))
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115 return;
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116
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117 n = PyTuple_GET_SIZE(bases);
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118 for (i = 0; i < n; i++) {
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119 PyObject *b = PyTuple_GET_ITEM(bases, i);
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120 PyTypeObject *cls;
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121
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122 if (!PyType_Check(b) ) {
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123 clear = 1;
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124 break;
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125 }
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126
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127 cls = (PyTypeObject *)b;
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128
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129 if (!PyType_HasFeature(cls, Py_TPFLAGS_HAVE_VERSION_TAG) ||
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130 !PyType_IsSubtype(type, cls)) {
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131 clear = 1;
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132 break;
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133 }
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134 }
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135
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136 if (clear)
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137 type->tp_flags &= ~(Py_TPFLAGS_HAVE_VERSION_TAG|
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138 Py_TPFLAGS_VALID_VERSION_TAG);
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139 }
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140
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141 static int
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142 assign_version_tag(PyTypeObject *type)
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143 {
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144 /* Ensure that the tp_version_tag is valid and set
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145 Py_TPFLAGS_VALID_VERSION_TAG. To respect the invariant, this
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146 must first be done on all super classes. Return 0 if this
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147 cannot be done, 1 if Py_TPFLAGS_VALID_VERSION_TAG.
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148 */
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149 Py_ssize_t i, n;
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e81d02d09697 Revert #2990 patch; it's not necessary as Armin showed.
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150 PyObject *bases;
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151
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152 if (PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG))
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153 return 1;
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154 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG))
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155 return 0;
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156 if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
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157 return 0;
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158
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159 type->tp_version_tag = next_version_tag++;
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160 /* for stress-testing: next_version_tag &= 0xFF; */
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161
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162 if (type->tp_version_tag == 0) {
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163 /* wrap-around or just starting Python - clear the whole
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164 cache by filling names with references to Py_None.
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165 Values are also set to NULL for added protection, as they
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166 are borrowed reference */
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167 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) {
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168 method_cache[i].value = NULL;
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diff changeset
169 Py_XDECREF(method_cache[i].name);
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170 method_cache[i].name = Py_None;
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7ae79e96fc42 #2990: prevent inconsistent state while updating method cache.
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171 Py_INCREF(Py_None);
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172 }
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173 /* mark all version tags as invalid */
47358
93fe913fae55 #2989: add PyType_Modified().
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174 PyType_Modified(&PyBaseObject_Type);
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175 return 1;
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176 }
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177 bases = type->tp_bases;
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178 n = PyTuple_GET_SIZE(bases);
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179 for (i = 0; i < n; i++) {
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180 PyObject *b = PyTuple_GET_ITEM(bases, i);
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181 assert(PyType_Check(b));
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182 if (!assign_version_tag((PyTypeObject *)b))
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183 return 0;
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184 }
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185 type->tp_flags |= Py_TPFLAGS_VALID_VERSION_TAG;
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186 return 1;
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187 }
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188
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189
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
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diff changeset
190 static PyMemberDef type_members[] = {
18933
09df3254b49d Merge of descr-branch back into trunk.
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191 {"__basicsize__", T_INT, offsetof(PyTypeObject,tp_basicsize),READONLY},
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192 {"__itemsize__", T_INT, offsetof(PyTypeObject, tp_itemsize), READONLY},
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193 {"__flags__", T_LONG, offsetof(PyTypeObject, tp_flags), READONLY},
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
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194 {"__weakrefoffset__", T_LONG,
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195 offsetof(PyTypeObject, tp_weaklistoffset), READONLY},
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196 {"__base__", T_OBJECT, offsetof(PyTypeObject, tp_base), READONLY},
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197 {"__dictoffset__", T_LONG,
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198 offsetof(PyTypeObject, tp_dictoffset), READONLY},
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199 {"__mro__", T_OBJECT, offsetof(PyTypeObject, tp_mro), READONLY},
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200 {0}
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201 };
6
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
202
5396
d1447950fa04 Quickly renamed the last directory.
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diff changeset
203 static PyObject *
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
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204 type_name(PyTypeObject *type, void *context)
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
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205 {
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
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206 const char *s;
19300
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207
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bddc41315336 Nudge getting __module__ and __name__ for new-style classes so that
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208 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) {
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7c8e8807aed2 - The extended type structure used for heap types (new-style
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diff changeset
209 PyHeapTypeObject* et = (PyHeapTypeObject*)type;
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
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210
36631
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
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parents: 36519
diff changeset
211 Py_INCREF(et->ht_name);
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
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diff changeset
212 return et->ht_name;
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bddc41315336 Nudge getting __module__ and __name__ for new-style classes so that
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diff changeset
213 }
bddc41315336 Nudge getting __module__ and __name__ for new-style classes so that
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parents: 26446
diff changeset
214 else {
bddc41315336 Nudge getting __module__ and __name__ for new-style classes so that
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diff changeset
215 s = strrchr(type->tp_name, '.');
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diff changeset
216 if (s == NULL)
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diff changeset
217 s = type->tp_name;
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diff changeset
218 else
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diff changeset
219 s++;
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
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diff changeset
220 return PyString_FromString(s);
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bddc41315336 Nudge getting __module__ and __name__ for new-style classes so that
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diff changeset
221 }
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
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diff changeset
222 }
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
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diff changeset
223
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
224 static int
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
225 type_set_name(PyTypeObject *type, PyObject *value, void *context)
9d6aed2e60e2 This is my patch:
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parents: 26410
diff changeset
226 {
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
227 PyHeapTypeObject* et;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
228
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
229 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
9d6aed2e60e2 This is my patch:
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parents: 26410
diff changeset
230 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
231 "can't set %s.__name__", type->tp_name);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
232 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
233 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
234 if (!value) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
235 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
236 "can't delete %s.__name__", type->tp_name);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
237 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
238 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
239 if (!PyString_Check(value)) {
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
240 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
241 "can only assign string to %s.__name__, not '%s'",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
242 type->tp_name, Py_TYPE(value)->tp_name);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
243 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
244 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
245 if (strlen(PyString_AS_STRING(value))
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
246 != (size_t)PyString_GET_SIZE(value)) {
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
247 PyErr_Format(PyExc_ValueError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
248 "__name__ must not contain null bytes");
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
249 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
250 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
251
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
252 et = (PyHeapTypeObject*)type;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
253
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
254 Py_INCREF(value);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
255
36631
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
Georg Brandl <georg@python.org>
parents: 36519
diff changeset
256 Py_DECREF(et->ht_name);
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
Georg Brandl <georg@python.org>
parents: 36519
diff changeset
257 et->ht_name = value;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
258
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
259 type->tp_name = PyString_AS_STRING(value);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
260
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
261 return 0;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
262 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
263
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
264 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
265 type_module(PyTypeObject *type, void *context)
2080
c21cc7b3ce28 added getattr(), supporting __doc__ and _name__
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
266 {
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
267 PyObject *mod;
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
268 char *s;
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
269
26448
bddc41315336 Nudge getting __module__ and __name__ for new-style classes so that
Michael W. Hudson <mwh@python.net>
parents: 26446
diff changeset
270 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) {
bddc41315336 Nudge getting __module__ and __name__ for new-style classes so that
Michael W. Hudson <mwh@python.net>
parents: 26446
diff changeset
271 mod = PyDict_GetItemString(type->tp_dict, "__module__");
32323
c1fbbc3eed39 Fix for bug #966623 - classes created with type() in an exec(, {}) don't
Anthony Baxter <anthonybaxter@gmail.com>
parents: 31813
diff changeset
272 if (!mod) {
c1fbbc3eed39 Fix for bug #966623 - classes created with type() in an exec(, {}) don't
Anthony Baxter <anthonybaxter@gmail.com>
parents: 31813
diff changeset
273 PyErr_Format(PyExc_AttributeError, "__module__");
c1fbbc3eed39 Fix for bug #966623 - classes created with type() in an exec(, {}) don't
Anthony Baxter <anthonybaxter@gmail.com>
parents: 31813
diff changeset
274 return 0;
c1fbbc3eed39 Fix for bug #966623 - classes created with type() in an exec(, {}) don't
Anthony Baxter <anthonybaxter@gmail.com>
parents: 31813
diff changeset
275 }
26448
bddc41315336 Nudge getting __module__ and __name__ for new-style classes so that
Michael W. Hudson <mwh@python.net>
parents: 26446
diff changeset
276 Py_XINCREF(mod);
bddc41315336 Nudge getting __module__ and __name__ for new-style classes so that
Michael W. Hudson <mwh@python.net>
parents: 26446
diff changeset
277 return mod;
bddc41315336 Nudge getting __module__ and __name__ for new-style classes so that
Michael W. Hudson <mwh@python.net>
parents: 26446
diff changeset
278 }
bddc41315336 Nudge getting __module__ and __name__ for new-style classes so that
Michael W. Hudson <mwh@python.net>
parents: 26446
diff changeset
279 else {
bddc41315336 Nudge getting __module__ and __name__ for new-style classes so that
Michael W. Hudson <mwh@python.net>
parents: 26446
diff changeset
280 s = strrchr(type->tp_name, '.');
bddc41315336 Nudge getting __module__ and __name__ for new-style classes so that
Michael W. Hudson <mwh@python.net>
parents: 26446
diff changeset
281 if (s != NULL)
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
282 return PyString_FromStringAndSize(
39995
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code.
Armin Rigo <arigo@tunes.org>
parents: 39921
diff changeset
283 type->tp_name, (Py_ssize_t)(s - type->tp_name));
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
284 return PyString_FromString("__builtin__");
26448
bddc41315336 Nudge getting __module__ and __name__ for new-style classes so that
Michael W. Hudson <mwh@python.net>
parents: 26446
diff changeset
285 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
286 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
287
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
288 static int
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
289 type_set_module(PyTypeObject *type, PyObject *value, void *context)
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
290 {
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
291 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
292 PyErr_Format(PyExc_TypeError,
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
293 "can't set %s.__module__", type->tp_name);
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
294 return -1;
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
295 }
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
296 if (!value) {
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
297 PyErr_Format(PyExc_TypeError,
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
298 "can't delete %s.__module__", type->tp_name);
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
299 return -1;
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
300 }
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
301
47358
93fe913fae55 #2989: add PyType_Modified().
Georg Brandl <georg@python.org>
parents: 47294
diff changeset
302 PyType_Modified(type);
44664
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
303
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
304 return PyDict_SetItemString(type->tp_dict, "__module__", value);
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
305 }
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
306
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
307 static PyObject *
45543
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
308 type_abstractmethods(PyTypeObject *type, void *context)
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
309 {
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
310 PyObject *mod = PyDict_GetItemString(type->tp_dict,
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
311 "__abstractmethods__");
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
312 if (!mod) {
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
313 PyErr_Format(PyExc_AttributeError, "__abstractmethods__");
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
314 return NULL;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
315 }
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
316 Py_XINCREF(mod);
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
317 return mod;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
318 }
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
319
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
320 static int
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
321 type_set_abstractmethods(PyTypeObject *type, PyObject *value, void *context)
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
322 {
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
323 /* __abstractmethods__ should only be set once on a type, in
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
324 abc.ABCMeta.__new__, so this function doesn't do anything
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
325 special to update subclasses.
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
326 */
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
327 int res = PyDict_SetItemString(type->tp_dict,
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
328 "__abstractmethods__", value);
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
329 if (res == 0) {
47358
93fe913fae55 #2989: add PyType_Modified().
Georg Brandl <georg@python.org>
parents: 47294
diff changeset
330 PyType_Modified(type);
45543
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
331 if (value && PyObject_IsTrue(value)) {
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
332 type->tp_flags |= Py_TPFLAGS_IS_ABSTRACT;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
333 }
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
334 else {
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
335 type->tp_flags &= ~Py_TPFLAGS_IS_ABSTRACT;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
336 }
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
337 }
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
338 return res;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
339 }
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
340
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
341 static PyObject *
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
342 type_get_bases(PyTypeObject *type, void *context)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
343 {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
344 Py_INCREF(type->tp_bases);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
345 return type->tp_bases;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
346 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
347
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
348 static PyTypeObject *best_base(PyObject *);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
349 static int mro_internal(PyTypeObject *);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
350 static int compatible_for_assignment(PyTypeObject *, PyTypeObject *, char *);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
351 static int add_subclass(PyTypeObject*, PyTypeObject*);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
352 static void remove_subclass(PyTypeObject *, PyTypeObject *);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
353 static void update_all_slots(PyTypeObject *);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
354
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
355 typedef int (*update_callback)(PyTypeObject *, void *);
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
356 static int update_subclasses(PyTypeObject *type, PyObject *name,
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
357 update_callback callback, void *data);
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
358 static int recurse_down_subclasses(PyTypeObject *type, PyObject *name,
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
359 update_callback callback, void *data);
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
360
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
361 static int
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
362 mro_subclasses(PyTypeObject *type, PyObject* temp)
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
363 {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
364 PyTypeObject *subclass;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
365 PyObject *ref, *subclasses, *old_mro;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
366 Py_ssize_t i, n;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
367
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
368 subclasses = type->tp_subclasses;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
369 if (subclasses == NULL)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
370 return 0;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
371 assert(PyList_Check(subclasses));
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
372 n = PyList_GET_SIZE(subclasses);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
373 for (i = 0; i < n; i++) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
374 ref = PyList_GET_ITEM(subclasses, i);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
375 assert(PyWeakref_CheckRef(ref));
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
376 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
377 assert(subclass != NULL);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
378 if ((PyObject *)subclass == Py_None)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
379 continue;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
380 assert(PyType_Check(subclass));
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
381 old_mro = subclass->tp_mro;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
382 if (mro_internal(subclass) < 0) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
383 subclass->tp_mro = old_mro;
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
384 return -1;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
385 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
386 else {
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
387 PyObject* tuple;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
388 tuple = PyTuple_Pack(2, subclass, old_mro);
28625
07d8e0eab3af Fix three (!) object leaks in the code for assignment to __bases__.
Guido van Rossum <guido@python.org>
parents: 28621
diff changeset
389 Py_DECREF(old_mro);
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
390 if (!tuple)
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
391 return -1;
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
392 if (PyList_Append(temp, tuple) < 0)
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
393 return -1;
28625
07d8e0eab3af Fix three (!) object leaks in the code for assignment to __bases__.
Guido van Rossum <guido@python.org>
parents: 28621
diff changeset
394 Py_DECREF(tuple);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
395 }
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
396 if (mro_subclasses(subclass, temp) < 0)
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
397 return -1;
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
398 }
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
399 return 0;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
400 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
401
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
402 static int
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
403 type_set_bases(PyTypeObject *type, PyObject *value, void *context)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
404 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
405 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
406 int r = 0;
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
407 PyObject *ob, *temp;
41488
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
408 PyTypeObject *new_base, *old_base;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
409 PyObject *old_bases, *old_mro;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
410
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
411 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
412 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
413 "can't set %s.__bases__", type->tp_name);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
414 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
415 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
416 if (!value) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
417 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
418 "can't delete %s.__bases__", type->tp_name);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
419 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
420 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
421 if (!PyTuple_Check(value)) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
422 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
423 "can only assign tuple to %s.__bases__, not %s",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
424 type->tp_name, Py_TYPE(value)->tp_name);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
425 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
426 }
26645
d176cbfd3765 Tighten the tests for assignment to __bases__: disallow empty tuple.
Guido van Rossum <guido@python.org>
parents: 26583
diff changeset
427 if (PyTuple_GET_SIZE(value) == 0) {
d176cbfd3765 Tighten the tests for assignment to __bases__: disallow empty tuple.
Guido van Rossum <guido@python.org>
parents: 26583
diff changeset
428 PyErr_Format(PyExc_TypeError,
d176cbfd3765 Tighten the tests for assignment to __bases__: disallow empty tuple.
Guido van Rossum <guido@python.org>
parents: 26583
diff changeset
429 "can only assign non-empty tuple to %s.__bases__, not ()",
d176cbfd3765 Tighten the tests for assignment to __bases__: disallow empty tuple.
Guido van Rossum <guido@python.org>
parents: 26583
diff changeset
430 type->tp_name);
d176cbfd3765 Tighten the tests for assignment to __bases__: disallow empty tuple.
Guido van Rossum <guido@python.org>
parents: 26583
diff changeset
431 return -1;
d176cbfd3765 Tighten the tests for assignment to __bases__: disallow empty tuple.
Guido van Rossum <guido@python.org>
parents: 26583
diff changeset
432 }
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
433 for (i = 0; i < PyTuple_GET_SIZE(value); i++) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
434 ob = PyTuple_GET_ITEM(value, i);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
435 if (!PyClass_Check(ob) && !PyType_Check(ob)) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
436 PyErr_Format(
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
437 PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
438 "%s.__bases__ must be tuple of old- or new-style classes, not '%s'",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
439 type->tp_name, Py_TYPE(ob)->tp_name);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
440 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
441 }
26440
aa0e19b6e1e7 I had the inheritance cycle stuff backwards. Oops!
Michael W. Hudson <mwh@python.net>
parents: 26425
diff changeset
442 if (PyType_Check(ob)) {
aa0e19b6e1e7 I had the inheritance cycle stuff backwards. Oops!
Michael W. Hudson <mwh@python.net>
parents: 26425
diff changeset
443 if (PyType_IsSubtype((PyTypeObject*)ob, type)) {
aa0e19b6e1e7 I had the inheritance cycle stuff backwards. Oops!
Michael W. Hudson <mwh@python.net>
parents: 26425
diff changeset
444 PyErr_SetString(PyExc_TypeError,
aa0e19b6e1e7 I had the inheritance cycle stuff backwards. Oops!
Michael W. Hudson <mwh@python.net>
parents: 26425
diff changeset
445 "a __bases__ item causes an inheritance cycle");
aa0e19b6e1e7 I had the inheritance cycle stuff backwards. Oops!
Michael W. Hudson <mwh@python.net>
parents: 26425
diff changeset
446 return -1;
aa0e19b6e1e7 I had the inheritance cycle stuff backwards. Oops!
Michael W. Hudson <mwh@python.net>
parents: 26425
diff changeset
447 }
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
448 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
449 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
450
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
451 new_base = best_base(value);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
452
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
453 if (!new_base) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
454 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
455 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
456
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
457 if (!compatible_for_assignment(type->tp_base, new_base, "__bases__"))
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
458 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
459
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
460 Py_INCREF(new_base);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
461 Py_INCREF(value);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
462
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
463 old_bases = type->tp_bases;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
464 old_base = type->tp_base;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
465 old_mro = type->tp_mro;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
466
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
467 type->tp_bases = value;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
468 type->tp_base = new_base;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
469
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
470 if (mro_internal(type) < 0) {
26446
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
471 goto bail;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
472 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
473
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
474 temp = PyList_New(0);
26446
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
475 if (!temp)
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
476 goto bail;
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
477
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
478 r = mro_subclasses(type, temp);
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
479
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
480 if (r < 0) {
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
481 for (i = 0; i < PyList_Size(temp); i++) {
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
482 PyTypeObject* cls;
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
483 PyObject* mro;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
484 PyArg_UnpackTuple(PyList_GET_ITEM(temp, i),
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
485 "", 2, 2, &cls, &mro);
41489
da403d2b886a Fix a usage of the dangerous pattern decref - modify field - incref.
Armin Rigo <arigo@tunes.org>
parents: 41488
diff changeset
486 Py_INCREF(mro);
da403d2b886a Fix a usage of the dangerous pattern decref - modify field - incref.
Armin Rigo <arigo@tunes.org>
parents: 41488
diff changeset
487 ob = cls->tp_mro;
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
488 cls->tp_mro = mro;
41489
da403d2b886a Fix a usage of the dangerous pattern decref - modify field - incref.
Armin Rigo <arigo@tunes.org>
parents: 41488
diff changeset
489 Py_DECREF(ob);
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
490 }
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
491 Py_DECREF(temp);
26446
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
492 goto bail;
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
493 }
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
494
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
495 Py_DECREF(temp);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
496
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
497 /* any base that was in __bases__ but now isn't, we
26660
f838bc9056cc Punctuation fix.
Raymond Hettinger <python@rcn.com>
parents: 26645
diff changeset
498 need to remove |type| from its tp_subclasses.
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
499 conversely, any class now in __bases__ that wasn't
26660
f838bc9056cc Punctuation fix.
Raymond Hettinger <python@rcn.com>
parents: 26645
diff changeset
500 needs to have |type| added to its subclasses. */
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
501
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
502 /* for now, sod that: just remove from all old_bases,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
503 add to all new_bases */
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
504
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
505 for (i = PyTuple_GET_SIZE(old_bases) - 1; i >= 0; i--) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
506 ob = PyTuple_GET_ITEM(old_bases, i);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
507 if (PyType_Check(ob)) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
508 remove_subclass(
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
509 (PyTypeObject*)ob, type);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
510 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
511 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
512
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
513 for (i = PyTuple_GET_SIZE(value) - 1; i >= 0; i--) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
514 ob = PyTuple_GET_ITEM(value, i);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
515 if (PyType_Check(ob)) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
516 if (add_subclass((PyTypeObject*)ob, type) < 0)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
517 r = -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
518 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
519 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
520
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
521 update_all_slots(type);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
522
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
523 Py_DECREF(old_bases);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
524 Py_DECREF(old_base);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
525 Py_DECREF(old_mro);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
526
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
527 return r;
26446
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
528
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
529 bail:
30084
d05d0ed465d8 Repair refcounting on error return from type_set_bases.
Michael W. Hudson <mwh@python.net>
parents: 29900
diff changeset
530 Py_DECREF(type->tp_bases);
d05d0ed465d8 Repair refcounting on error return from type_set_bases.
Michael W. Hudson <mwh@python.net>
parents: 29900
diff changeset
531 Py_DECREF(type->tp_base);
d05d0ed465d8 Repair refcounting on error return from type_set_bases.
Michael W. Hudson <mwh@python.net>
parents: 29900
diff changeset
532 if (type->tp_mro != old_mro) {
d05d0ed465d8 Repair refcounting on error return from type_set_bases.
Michael W. Hudson <mwh@python.net>
parents: 29900
diff changeset
533 Py_DECREF(type->tp_mro);
d05d0ed465d8 Repair refcounting on error return from type_set_bases.
Michael W. Hudson <mwh@python.net>
parents: 29900
diff changeset
534 }
d05d0ed465d8 Repair refcounting on error return from type_set_bases.
Michael W. Hudson <mwh@python.net>
parents: 29900
diff changeset
535
26446
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
536 type->tp_bases = old_bases;
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
537 type->tp_base = old_base;
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
538 type->tp_mro = old_mro;
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
539
26446
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
540 return -1;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
541 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
542
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
543 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
544 type_dict(PyTypeObject *type, void *context)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
545 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
546 if (type->tp_dict == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
547 Py_INCREF(Py_None);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
548 return Py_None;
2080
c21cc7b3ce28 added getattr(), supporting __doc__ and _name__
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
549 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
550 return PyDictProxy_New(type->tp_dict);
2080
c21cc7b3ce28 added getattr(), supporting __doc__ and _name__
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
551 }
c21cc7b3ce28 added getattr(), supporting __doc__ and _name__
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
552
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
553 static PyObject *
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
554 type_get_doc(PyTypeObject *type, void *context)
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
555 {
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
556 PyObject *result;
23118
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
557 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE) && type->tp_doc != NULL)
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
558 return PyString_FromString(type->tp_doc);
23118
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
559 result = PyDict_GetItemString(type->tp_dict, "__doc__");
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
560 if (result == NULL) {
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
561 result = Py_None;
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
562 Py_INCREF(result);
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
563 }
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
564 else if (Py_TYPE(result)->tp_descr_get) {
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
565 result = Py_TYPE(result)->tp_descr_get(result, NULL,
23127
70650ae1a2cf type_get_doc(): Squash compiler wng about incompatible ptr types.
Tim Peters <tim.peters@gmail.com>
parents: 23118
diff changeset
566 (PyObject *)type);
23118
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
567 }
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
568 else {
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
569 Py_INCREF(result);
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
570 }
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
571 return result;
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
572 }
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
573
48876
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
574 static PyObject *
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
575 type___instancecheck__(PyObject *type, PyObject *inst)
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
576 {
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
577 switch (_PyObject_RealIsInstance(inst, type)) {
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
578 case -1:
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
579 return NULL;
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
580 case 0:
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
581 Py_RETURN_FALSE;
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
582 default:
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
583 Py_RETURN_TRUE;
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
584 }
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
585 }
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
586
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
587
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
588 static PyObject *
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
589 type___subclasscheck__(PyObject *type, PyObject *inst)
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
590 {
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
591 switch (_PyObject_RealIsSubclass(inst, type)) {
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
592 case -1:
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
593 return NULL;
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
594 case 0:
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
595 Py_RETURN_FALSE;
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
596 default:
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
597 Py_RETURN_TRUE;
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
598 }
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
599 }
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
600
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48854
diff changeset
601
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
602 static PyGetSetDef type_getsets[] = {
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
603 {"__name__", (getter)type_name, (setter)type_set_name, NULL},
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
604 {"__bases__", (getter)type_get_bases, (setter)type_set_bases, NULL},
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
605 {"__module__", (getter)type_module, (setter)type_set_module, NULL},
45543
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
606 {"__abstractmethods__", (getter)type_abstractmethods,
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
607 (setter)type_set_abstractmethods, NULL},
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
608 {"__dict__", (getter)type_dict, NULL, NULL},
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
609 {"__doc__", (getter)type_get_doc, NULL, NULL},
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
610 {0}
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
611 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
612
18063
bbac2a6a5d16 Patch #424475: Speed-up tp_compare usage, by special-casing the common
Martin v. Löwis <martin@v.loewis.de>
parents: 14375
diff changeset
613
45860
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
614 static PyObject*
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
615 type_richcompare(PyObject *v, PyObject *w, int op)
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
616 {
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
617 PyObject *result;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
618 Py_uintptr_t vv, ww;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
619 int c;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
620
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
621 /* Make sure both arguments are types. */
57692
cb26299e0e52 fix the ignoring of __cmp__ method on metaclasses #7491
Benjamin Peterson <benjamin@python.org>
parents: 54118
diff changeset
622 if (!PyType_Check(v) || !PyType_Check(w) ||
cb26299e0e52 fix the ignoring of __cmp__ method on metaclasses #7491
Benjamin Peterson <benjamin@python.org>
parents: 54118
diff changeset
623 /* If there is a __cmp__ method defined, let it be called instead
cb26299e0e52 fix the ignoring of __cmp__ method on metaclasses #7491
Benjamin Peterson <benjamin@python.org>
parents: 54118
diff changeset
624 of our dumb function designed merely to warn. See bug
cb26299e0e52 fix the ignoring of __cmp__ method on metaclasses #7491
Benjamin Peterson <benjamin@python.org>
parents: 54118
diff changeset
625 #7491. */
cb26299e0e52 fix the ignoring of __cmp__ method on metaclasses #7491
Benjamin Peterson <benjamin@python.org>
parents: 54118
diff changeset
626 Py_TYPE(v)->tp_compare || Py_TYPE(w)->tp_compare) {
45860
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
627 result = Py_NotImplemented;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
628 goto out;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
629 }
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
630
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
631 /* Py3K warning if comparison isn't == or != */
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
632 if (Py_Py3kWarningFlag && op != Py_EQ && op != Py_NE &&
46573
aef3501d8e77 Use PyErr_WarnPy3k throughout
Benjamin Peterson <benjamin@python.org>
parents: 46107
diff changeset
633 PyErr_WarnEx(PyExc_DeprecationWarning,
46075
84bb7701efba Make Py3k warnings consistent w.r.t. punctuation; also respect the
Georg Brandl <georg@python.org>
parents: 45860
diff changeset
634 "type inequality comparisons not supported "
46573
aef3501d8e77 Use PyErr_WarnPy3k throughout
Benjamin Peterson <benjamin@python.org>
parents: 46107
diff changeset
635 "in 3.x", 1) < 0) {
45860
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
636 return NULL;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
637 }
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
638
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
639 /* Compare addresses */
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
640 vv = (Py_uintptr_t)v;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
641 ww = (Py_uintptr_t)w;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
642 switch (op) {
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
643 case Py_LT: c = vv < ww; break;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
644 case Py_LE: c = vv <= ww; break;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
645 case Py_EQ: c = vv == ww; break;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
646 case Py_NE: c = vv != ww; break;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
647 case Py_GT: c = vv > ww; break;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
648 case Py_GE: c = vv >= ww; break;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
649 default:
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
650 result = Py_NotImplemented;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
651 goto out;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
652 }
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
653 result = c ? Py_True : Py_False;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
654
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
655 /* incref and return */
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
656 out:
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
657 Py_INCREF(result);
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
658 return result;
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
659 }
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
660
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
661 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
662 type_repr(PyTypeObject *type)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
663 {
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
664 PyObject *mod, *name, *rtn;
20076
d9250d5b79a7 Change repr() of a new-style class to say <class 'ClassName'> rather
Guido van Rossum <guido@python.org>
parents: 20075
diff changeset
665 char *kind;
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
666
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
667 mod = type_module(type, NULL);
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
668 if (mod == NULL)
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
669 PyErr_Clear();
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
670 else if (!PyString_Check(mod)) {
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
671 Py_DECREF(mod);
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
672 mod = NULL;
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
673 }
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
674 name = type_name(type, NULL);
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
675 if (name == NULL)
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
676 return NULL;
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
677
20076
d9250d5b79a7 Change repr() of a new-style class to say <class 'ClassName'> rather
Guido van Rossum <guido@python.org>
parents: 20075
diff changeset
678 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE)
d9250d5b79a7 Change repr() of a new-style class to say <class 'ClassName'> rather
Guido van Rossum <guido@python.org>
parents: 20075
diff changeset
679 kind = "class";
d9250d5b79a7 Change repr() of a new-style class to say <class 'ClassName'> rather
Guido van Rossum <guido@python.org>
parents: 20075
diff changeset
680 else
d9250d5b79a7 Change repr() of a new-style class to say <class 'ClassName'> rather
Guido van Rossum <guido@python.org>
parents: 20075
diff changeset
681 kind = "type";
d9250d5b79a7 Change repr() of a new-style class to say <class 'ClassName'> rather
Guido van Rossum <guido@python.org>
parents: 20075
diff changeset
682
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
683 if (mod != NULL && strcmp(PyString_AS_STRING(mod), "__builtin__")) {
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
684 rtn = PyString_FromFormat("<%s '%s.%s'>",
20076
d9250d5b79a7 Change repr() of a new-style class to say <class 'ClassName'> rather
Guido van Rossum <guido@python.org>
parents: 20075
diff changeset
685 kind,
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
686 PyString_AS_STRING(mod),
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
687 PyString_AS_STRING(name));
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
688 }
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
689 else
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
690 rtn = PyString_FromFormat("<%s '%s'>", kind, type->tp_name);
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
691
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
692 Py_XDECREF(mod);
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
693 Py_DECREF(name);
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
694 return rtn;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
695 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
696
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
697 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
698 type_call(PyTypeObject *type, PyObject *args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
699 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
700 PyObject *obj;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
701
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
702 if (type->tp_new == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
703 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
704 "cannot create '%.100s' instances",
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
705 type->tp_name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
706 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
707 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
708
19898
fc40d0b54043 type_call(): Change in policy. The keyword args (if any) are now passed
Tim Peters <tim.peters@gmail.com>
parents: 19808
diff changeset
709 obj = type->tp_new(type, args, kwds);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
710 if (obj != NULL) {
20516
d21160a92179 Fix SF bug #472234: type(obj) calls type->tp_init (Roeland Rengelink)
Guido van Rossum <guido@python.org>
parents: 20499
diff changeset
711 /* Ugly exception: when the call was type(something),
d21160a92179 Fix SF bug #472234: type(obj) calls type->tp_init (Roeland Rengelink)
Guido van Rossum <guido@python.org>
parents: 20499
diff changeset
712 don't call tp_init on the result. */
d21160a92179 Fix SF bug #472234: type(obj) calls type->tp_init (Roeland Rengelink)
Guido van Rossum <guido@python.org>
parents: 20499
diff changeset
713 if (type == &PyType_Type &&
d21160a92179 Fix SF bug #472234: type(obj) calls type->tp_init (Roeland Rengelink)
Guido van Rossum <guido@python.org>
parents: 20499
diff changeset
714 PyTuple_Check(args) && PyTuple_GET_SIZE(args) == 1 &&
d21160a92179 Fix SF bug #472234: type(obj) calls type->tp_init (Roeland Rengelink)
Guido van Rossum <guido@python.org>
parents: 20499
diff changeset
715 (kwds == NULL ||
d21160a92179 Fix SF bug #472234: type(obj) calls type->tp_init (Roeland Rengelink)
Guido van Rossum <guido@python.org>
parents: 20499
diff changeset
716 (PyDict_Check(kwds) && PyDict_Size(kwds) == 0)))
d21160a92179 Fix SF bug #472234: type(obj) calls type->tp_init (Roeland Rengelink)
Guido van Rossum <guido@python.org>
parents: 20499
diff changeset
717 return obj;
22859
bbf05af3c191 - Changed new-style class instantiation so that when C's __new__
Guido van Rossum <guido@python.org>
parents: 22854
diff changeset
718 /* If the returned object is not an instance of type,
bbf05af3c191 - Changed new-style class instantiation so that when C's __new__
Guido van Rossum <guido@python.org>
parents: 22854
diff changeset
719 it won't be initialized. */
bbf05af3c191 - Changed new-style class instantiation so that when C's __new__
Guido van Rossum <guido@python.org>
parents: 22854
diff changeset
720 if (!PyType_IsSubtype(obj->ob_type, type))
bbf05af3c191 - Changed new-style class instantiation so that when C's __new__
Guido van Rossum <guido@python.org>
parents: 22854
diff changeset
721 return obj;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
722 type = obj->ob_type;
24250
804ea51cfce6 The object returned by tp_new() may not have a tp_init.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24245
diff changeset
723 if (PyType_HasFeature(type, Py_TPFLAGS_HAVE_CLASS) &&
804ea51cfce6 The object returned by tp_new() may not have a tp_init.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24245
diff changeset
724 type->tp_init != NULL &&
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
725 type->tp_init(obj, args, kwds) < 0) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
726 Py_DECREF(obj);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
727 obj = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
728 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
729 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
730 return obj;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
731 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
732
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
733 PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
734 PyType_GenericAlloc(PyTypeObject *type, Py_ssize_t nitems)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
735 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
736 PyObject *obj;
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
737 const size_t size = _PyObject_VAR_SIZE(type, nitems+1);
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
738 /* note that we need to add one, for the sentinel */
20293
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
739
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
740 if (PyType_IS_GC(type))
22980
9f949027d7ba Change signature of _PyObject_GC_Malloc to match PyObject_MALLOC.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22871
diff changeset
741 obj = _PyObject_GC_Malloc(size);
20293
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
742 else
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
743 obj = (PyObject *)PyObject_MALLOC(size);
20293
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
744
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
745 if (obj == NULL)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
746 return PyErr_NoMemory();
20293
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
747
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
748 memset(obj, '\0', size);
20293
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
749
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
750 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
751 Py_INCREF(type);
20293
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
752
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
753 if (type->tp_itemsize == 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
754 PyObject_INIT(obj, type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
755 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
756 (void) PyObject_INIT_VAR((PyVarObject *)obj, type, nitems);
20293
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
757
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
758 if (PyType_IS_GC(type))
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
759 _PyObject_GC_TRACK(obj);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
760 return obj;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
761 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
762
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
763 PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
764 PyType_GenericNew(PyTypeObject *type, PyObject *args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
765 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
766 return type->tp_alloc(type, 0);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
767 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
768
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
769 /* Helpers for subtyping */
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
770
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
771 static int
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
772 traverse_slots(PyTypeObject *type, PyObject *self, visitproc visit, void *arg)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
773 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
774 Py_ssize_t i, n;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
775 PyMemberDef *mp;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
776
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
777 n = Py_SIZE(type);
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
778 mp = PyHeapType_GET_MEMBERS((PyHeapTypeObject *)type);
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
779 for (i = 0; i < n; i++, mp++) {
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
780 if (mp->type == T_OBJECT_EX) {
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
781 char *addr = (char *)self + mp->offset;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
782 PyObject *obj = *(PyObject **)addr;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
783 if (obj != NULL) {
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
784 int err = visit(obj, arg);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
785 if (err)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
786 return err;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
787 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
788 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
789 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
790 return 0;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
791 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
792
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
793 static int
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
794 subtype_traverse(PyObject *self, visitproc visit, void *arg)
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
795 {
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
796 PyTypeObject *type, *base;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
797 traverseproc basetraverse;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
798
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
799 /* Find the nearest base with a different tp_traverse,
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
800 and traverse slots while we're at it */
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
801 type = Py_TYPE(self);
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
802 base = type;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
803 while ((basetraverse = base->tp_traverse) == subtype_traverse) {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
804 if (Py_SIZE(base)) {
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
805 int err = traverse_slots(base, self, visit, arg);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
806 if (err)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
807 return err;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
808 }
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
809 base = base->tp_base;
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
810 assert(base);
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
811 }
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
812
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
813 if (type->tp_dictoffset != base->tp_dictoffset) {
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
814 PyObject **dictptr = _PyObject_GetDictPtr(self);
37756
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37748
diff changeset
815 if (dictptr && *dictptr)
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37748
diff changeset
816 Py_VISIT(*dictptr);
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37748
diff changeset
817 }
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37748
diff changeset
818
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37748
diff changeset
819 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE)
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
820 /* For a heaptype, the instances count as references
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
821 to the type. Traverse the type so the collector
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
822 can find cycles involving this link. */
37756
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37748
diff changeset
823 Py_VISIT(type);
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
824
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
825 if (basetraverse)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
826 return basetraverse(self, visit, arg);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
827 return 0;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
828 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
829
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
830 static void
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
831 clear_slots(PyTypeObject *type, PyObject *self)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
832 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
833 Py_ssize_t i, n;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
834 PyMemberDef *mp;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
835
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
836 n = Py_SIZE(type);
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
837 mp = PyHeapType_GET_MEMBERS((PyHeapTypeObject *)type);
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
838 for (i = 0; i < n; i++, mp++) {
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
839 if (mp->type == T_OBJECT_EX && !(mp->flags & READONLY)) {
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
840 char *addr = (char *)self + mp->offset;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
841 PyObject *obj = *(PyObject **)addr;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
842 if (obj != NULL) {
37748
d1547426ab61 Use Py_CLEAR instead of in-place DECREF/XDECREF or custom macros, for
Thomas Wouters <thomas@python.org>
parents: 37603
diff changeset
843 *(PyObject **)addr = NULL;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
844 Py_DECREF(obj);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
845 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
846 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
847 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
848 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
849
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
850 static int
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
851 subtype_clear(PyObject *self)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
852 {
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
853 PyTypeObject *type, *base;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
854 inquiry baseclear;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
855
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
856 /* Find the nearest base with a different tp_clear
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
857 and clear slots while we're at it */
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
858 type = Py_TYPE(self);
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
859 base = type;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
860 while ((baseclear = base->tp_clear) == subtype_clear) {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
861 if (Py_SIZE(base))
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
862 clear_slots(base, self);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
863 base = base->tp_base;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
864 assert(base);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
865 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
866
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
867 /* There's no need to clear the instance dict (if any);
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
868 the collector will call its tp_clear handler. */
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
869
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
870 if (baseclear)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
871 return baseclear(self);
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
872 return 0;
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
873 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
874
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
875 static void
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
876 subtype_dealloc(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
877 {
21246
cb921d483e00 The previous checkin to clear __slots__ variables did a little bit of
Guido van Rossum <guido@python.org>
parents: 21242
diff changeset
878 PyTypeObject *type, *base;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
879 destructor basedealloc;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
880
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
881 /* Extract the type; we expect it to be a heap type */
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
882 type = Py_TYPE(self);
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
883 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
884
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
885 /* Test whether the type has GC exactly once */
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
886
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
887 if (!PyType_IS_GC(type)) {
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
888 /* It's really rare to find a dynamic type that doesn't have
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
889 GC; it can only happen when deriving from 'object' and not
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
890 adding any slots or instance variables. This allows
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
891 certain simplifications: there's no need to call
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
892 clear_slots(), or DECREF the dict, or clear weakrefs. */
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
893
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
894 /* Maybe call finalizer; exit early if resurrected */
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
895 if (type->tp_del) {
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
896 type->tp_del(self);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
897 if (self->ob_refcnt > 0)
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
898 return;
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
899 }
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
900
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
901 /* Find the nearest base with a different tp_dealloc */
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
902 base = type;
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
903 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
904 assert(Py_SIZE(base) == 0);
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
905 base = base->tp_base;
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
906 assert(base);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
907 }
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
908
53372
318951890abb fix a segfault when setting __class__ in __del__ #5283
Benjamin Peterson <benjamin@python.org>
parents: 52749
diff changeset
909 /* Extract the type again; tp_del may have changed it */
318951890abb fix a segfault when setting __class__ in __del__ #5283
Benjamin Peterson <benjamin@python.org>
parents: 52749
diff changeset
910 type = Py_TYPE(self);
318951890abb fix a segfault when setting __class__ in __del__ #5283
Benjamin Peterson <benjamin@python.org>
parents: 52749
diff changeset
911
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
912 /* Call the base tp_dealloc() */
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
913 assert(basedealloc);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
914 basedealloc(self);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
915
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
916 /* Can't reference self beyond this point */
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
917 Py_DECREF(type);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
918
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
919 /* Done */
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
920 return;
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
921 }
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
922
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
923 /* We get here only if the type has GC */
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
924
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
925 /* UnTrack and re-Track around the trashcan macro, alas */
27717
41313d20d1dd Comment typo fix
Andrew M. Kuchling <amk@amk.ca>
parents: 27707
diff changeset
926 /* See explanation at end of function for full disclosure */
24653
1ab27c1770df Fix a subtle bug in the trashcan code I added yesterday to
Guido van Rossum <guido@python.org>
parents: 24614
diff changeset
927 PyObject_GC_UnTrack(self);
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
928 ++_PyTrash_delete_nesting;
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
929 Py_TRASHCAN_SAFE_BEGIN(self);
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
930 --_PyTrash_delete_nesting;
30915
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
931 /* DO NOT restore GC tracking at this point. weakref callbacks
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
932 * (if any, and whether directly here or indirectly in something we
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
933 * call) may trigger GC, and if self is tracked at that point, it
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
934 * will look like trash to GC and GC will try to delete self again.
30907
3d9b36d6ab89 SF bug 840829: weakref callbacks and gc corrupt memory.
Tim Peters <tim.peters@gmail.com>
parents: 30722
diff changeset
935 */
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
936
29442
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
937 /* Find the nearest base with a different tp_dealloc */
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
938 base = type;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
939 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
940 base = base->tp_base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
941 assert(base);
21246
cb921d483e00 The previous checkin to clear __slots__ variables did a little bit of
Guido van Rossum <guido@python.org>
parents: 21242
diff changeset
942 }
cb921d483e00 The previous checkin to clear __slots__ variables did a little bit of
Guido van Rossum <guido@python.org>
parents: 21242
diff changeset
943
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
944 /* If we added a weaklist, we clear it. Do this *before* calling
29442
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
945 the finalizer (__del__), clearing slots, or clearing the instance
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
946 dict. */
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
947
29308
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
948 if (type->tp_weaklistoffset && !base->tp_weaklistoffset)
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
949 PyObject_ClearWeakRefs(self);
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
950
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
951 /* Maybe call finalizer; exit early if resurrected */
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
952 if (type->tp_del) {
30915
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
953 _PyObject_GC_TRACK(self);
29308
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
954 type->tp_del(self);
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
955 if (self->ob_refcnt > 0)
30915
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
956 goto endlabel; /* resurrected */
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
957 else
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
958 _PyObject_GC_UNTRACK(self);
40707
dbbdfc038dc9 Fix crasher for when an object's __del__ creates a new weakref to itself.
Brett Cannon <bcannon@gmail.com>
parents: 40066
diff changeset
959 /* New weakrefs could be created during the finalizer call.
dbbdfc038dc9 Fix crasher for when an object's __del__ creates a new weakref to itself.
Brett Cannon <bcannon@gmail.com>
parents: 40066
diff changeset
960 If this occurs, clear them out without calling their
dbbdfc038dc9 Fix crasher for when an object's __del__ creates a new weakref to itself.
Brett Cannon <bcannon@gmail.com>
parents: 40066
diff changeset
961 finalizers since they might rely on part of the object
dbbdfc038dc9 Fix crasher for when an object's __del__ creates a new weakref to itself.
Brett Cannon <bcannon@gmail.com>
parents: 40066
diff changeset
962 being finalized that has already been destroyed. */
dbbdfc038dc9 Fix crasher for when an object's __del__ creates a new weakref to itself.
Brett Cannon <bcannon@gmail.com>
parents: 40066
diff changeset
963 if (type->tp_weaklistoffset && !base->tp_weaklistoffset) {
dbbdfc038dc9 Fix crasher for when an object's __del__ creates a new weakref to itself.
Brett Cannon <bcannon@gmail.com>
parents: 40066
diff changeset
964 /* Modeled after GET_WEAKREFS_LISTPTR() */
dbbdfc038dc9 Fix crasher for when an object's __del__ creates a new weakref to itself.
Brett Cannon <bcannon@gmail.com>
parents: 40066
diff changeset
965 PyWeakReference **list = (PyWeakReference **) \
dbbdfc038dc9 Fix crasher for when an object's __del__ creates a new weakref to itself.
Brett Cannon <bcannon@gmail.com>
parents: 40066
diff changeset
966 PyObject_GET_WEAKREFS_LISTPTR(self);
dbbdfc038dc9 Fix crasher for when an object's __del__ creates a new weakref to itself.
Brett Cannon <bcannon@gmail.com>
parents: 40066
diff changeset
967 while (*list)
dbbdfc038dc9 Fix crasher for when an object's __del__ creates a new weakref to itself.
Brett Cannon <bcannon@gmail.com>
parents: 40066
diff changeset
968 _PyWeakref_ClearRef(*list);
dbbdfc038dc9 Fix crasher for when an object's __del__ creates a new weakref to itself.
Brett Cannon <bcannon@gmail.com>
parents: 40066
diff changeset
969 }
29308
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
970 }
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
971
29442
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
972 /* Clear slots up to the nearest base with a different tp_dealloc */
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
973 base = type;
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
974 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
975 if (Py_SIZE(base))
29442
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
976 clear_slots(base, self);
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
977 base = base->tp_base;
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
978 assert(base);
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
979 }
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
980
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
981 /* If we added a dict, DECREF it */
19616
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
982 if (type->tp_dictoffset && !base->tp_dictoffset) {
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
983 PyObject **dictptr = _PyObject_GetDictPtr(self);
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
984 if (dictptr != NULL) {
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
985 PyObject *dict = *dictptr;
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
986 if (dict != NULL) {
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
987 Py_DECREF(dict);
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
988 *dictptr = NULL;
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
989 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
990 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
991 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
992
53372
318951890abb fix a segfault when setting __class__ in __del__ #5283
Benjamin Peterson <benjamin@python.org>
parents: 52749
diff changeset
993 /* Extract the type again; tp_del may have changed it */
318951890abb fix a segfault when setting __class__ in __del__ #5283
Benjamin Peterson <benjamin@python.org>
parents: 52749
diff changeset
994 type = Py_TYPE(self);
318951890abb fix a segfault when setting __class__ in __del__ #5283
Benjamin Peterson <benjamin@python.org>
parents: 52749
diff changeset
995
30917
12c22d6b1ec0 subtype_dealloc(): Simplified overly contorted retracking logic. With
Tim Peters <tim.peters@gmail.com>
parents: 30915
diff changeset
996 /* Call the base tp_dealloc(); first retrack self if
12c22d6b1ec0 subtype_dealloc(): Simplified overly contorted retracking logic. With
Tim Peters <tim.peters@gmail.com>
parents: 30915
diff changeset
997 * basedealloc knows about gc.
12c22d6b1ec0 subtype_dealloc(): Simplified overly contorted retracking logic. With
Tim Peters <tim.peters@gmail.com>
parents: 30915
diff changeset
998 */
12c22d6b1ec0 subtype_dealloc(): Simplified overly contorted retracking logic. With
Tim Peters <tim.peters@gmail.com>
parents: 30915
diff changeset
999 if (PyType_IS_GC(base))
12c22d6b1ec0 subtype_dealloc(): Simplified overly contorted retracking logic. With
Tim Peters <tim.peters@gmail.com>
parents: 30915
diff changeset
1000 _PyObject_GC_TRACK(self);
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1001 assert(basedealloc);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1002 basedealloc(self);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1003
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1004 /* Can't reference self beyond this point */
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
1005 Py_DECREF(type);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
1006
24653
1ab27c1770df Fix a subtle bug in the trashcan code I added yesterday to
Guido van Rossum <guido@python.org>
parents: 24614
diff changeset
1007 endlabel:
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1008 ++_PyTrash_delete_nesting;
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
1009 Py_TRASHCAN_SAFE_END(self);
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1010 --_PyTrash_delete_nesting;
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1011
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1012 /* Explanation of the weirdness around the trashcan macros:
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1013
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1014 Q. What do the trashcan macros do?
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1015
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1016 A. Read the comment titled "Trashcan mechanism" in object.h.
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1017 For one, this explains why there must be a call to GC-untrack
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1018 before the trashcan begin macro. Without understanding the
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1019 trashcan code, the answers to the following questions don't make
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1020 sense.
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1021
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1022 Q. Why do we GC-untrack before the trashcan and then immediately
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1023 GC-track again afterward?
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1024
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1025 A. In the case that the base class is GC-aware, the base class
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1026 probably GC-untracks the object. If it does that using the
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1027 UNTRACK macro, this will crash when the object is already
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1028 untracked. Because we don't know what the base class does, the
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1029 only safe thing is to make sure the object is tracked when we
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1030 call the base class dealloc. But... The trashcan begin macro
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1031 requires that the object is *untracked* before it is called. So
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1032 the dance becomes:
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1033
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1034 GC untrack
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1035 trashcan begin
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1036 GC track
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1037
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1038 Q. Why did the last question say "immediately GC-track again"?
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1039 It's nowhere near immediately.
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1040
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1041 A. Because the code *used* to re-track immediately. Bad Idea.
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1042 self has a refcount of 0, and if gc ever gets its hands on it
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1043 (which can happen if any weakref callback gets invoked), it
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1044 looks like trash to gc too, and gc also tries to delete self
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1045 then. But we're already deleting self. Double dealloction is
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1046 a subtle disaster.
30915
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
1047
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1048 Q. Why the bizarre (net-zero) manipulation of
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1049 _PyTrash_delete_nesting around the trashcan macros?
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1050
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1051 A. Some base classes (e.g. list) also use the trashcan mechanism.
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1052 The following scenario used to be possible:
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1053
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1054 - suppose the trashcan level is one below the trashcan limit
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1055
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1056 - subtype_dealloc() is called
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1057
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1058 - the trashcan limit is not yet reached, so the trashcan level
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1059 is incremented and the code between trashcan begin and end is
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1060 executed
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1061
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1062 - this destroys much of the object's contents, including its
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1063 slots and __dict__
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1064
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1065 - basedealloc() is called; this is really list_dealloc(), or
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1066 some other type which also uses the trashcan macros
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1067
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1068 - the trashcan limit is now reached, so the object is put on the
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1069 trashcan's to-be-deleted-later list
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1070
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1071 - basedealloc() returns
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1072
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1073 - subtype_dealloc() decrefs the object's type
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1074
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1075 - subtype_dealloc() returns
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1076
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1077 - later, the trashcan code starts deleting the objects from its
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1078 to-be-deleted-later list
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1079
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1080 - subtype_dealloc() is called *AGAIN* for the same object
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1081
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1082 - at the very least (if the destroyed slots and __dict__ don't
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1083 cause problems) the object's type gets decref'ed a second
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1084 time, which is *BAD*!!!
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1085
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1086 The remedy is to make sure that if the code between trashcan
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1087 begin and end in subtype_dealloc() is called, the code between
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1088 trashcan begin and end in basedealloc() will also be called.
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1089 This is done by decrementing the level after passing into the
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1090 trashcan block, and incrementing it just before leaving the
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1091 block.
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1092
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1093 But now it's possible that a chain of objects consisting solely
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1094 of objects whose deallocator is subtype_dealloc() will defeat
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1095 the trashcan mechanism completely: the decremented level means
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1096 that the effective level never reaches the limit. Therefore, we
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1097 *increment* the level *before* entering the trashcan block, and
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1098 matchingly decrement it after leaving. This means the trashcan
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1099 code will trigger a little early, but that's no big deal.
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1100
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1101 Q. Are there any live examples of code in need of all this
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1102 complexity?
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1103
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1104 A. Yes. See SF bug 668433 for code that crashed (when Python was
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1105 compiled in debug mode) before the trashcan level manipulations
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1106 were added. For more discussion, see SF patches 581742, 575073
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1107 and bug 574207.
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1108 */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1109 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1110
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1111 static PyTypeObject *solid_base(PyTypeObject *type);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1112
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1113 /* type test with subclassing support */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1114
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1115 int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1116 PyType_IsSubtype(PyTypeObject *a, PyTypeObject *b)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1117 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1118 PyObject *mro;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1119
19803
32cfce4d83dc PyType_IsSubtype(): test tp_flags for HAVE_CLASS bit before accessing
Guido van Rossum <guido@python.org>
parents: 19630
diff changeset
1120 if (!(a->tp_flags & Py_TPFLAGS_HAVE_CLASS))
32cfce4d83dc PyType_IsSubtype(): test tp_flags for HAVE_CLASS bit before accessing
Guido van Rossum <guido@python.org>
parents: 19630
diff changeset
1121 return b == a || b == &PyBaseObject_Type;
32cfce4d83dc PyType_IsSubtype(): test tp_flags for HAVE_CLASS bit before accessing
Guido van Rossum <guido@python.org>
parents: 19630
diff changeset
1122
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1123 mro = a->tp_mro;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1124 if (mro != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1125 /* Deal with multiple inheritance without recursion
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1126 by walking the MRO tuple */
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1127 Py_ssize_t i, n;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1128 assert(PyTuple_Check(mro));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1129 n = PyTuple_GET_SIZE(mro);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1130 for (i = 0; i < n; i++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1131 if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1132 return 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1133 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1134 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1135 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1136 else {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1137 /* a is not completely initilized yet; follow tp_base */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1138 do {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1139 if (a == b)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1140 return 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1141 a = a->tp_base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1142 } while (a != NULL);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1143 return b == &PyBaseObject_Type;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1144 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1145 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1146
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1147 /* Internal routines to do a method lookup in the type
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1148 without looking in the instance dictionary
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1149 (so we can't use PyObject_GetAttr) but still binding
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1150 it to the instance. The arguments are the object,
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1151 the method name as a C string, and the address of a
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1152 static variable used to cache the interned Python string.
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1153
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1154 Two variants:
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1155
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1156 - lookup_maybe() returns NULL without raising an exception
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1157 when the _PyType_Lookup() call fails;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1158
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1159 - lookup_method() always raises an exception upon errors.
53904
1ecdca11eb9e add _PyObject_LookupSpecial to handle fetching special method lookup
Benjamin Peterson <benjamin@python.org>
parents: 53372
diff changeset
1160
1ecdca11eb9e add _PyObject_LookupSpecial to handle fetching special method lookup
Benjamin Peterson <benjamin@python.org>
parents: 53372
diff changeset
1161 - _PyObject_LookupSpecial() exported for the benefit of other places.
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1162 */
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1163
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1164 static PyObject *
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1165 lookup_maybe(PyObject *self, char *attrstr, PyObject **attrobj)
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1166 {
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1167 PyObject *res;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1168
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1169 if (*attrobj == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
1170 *attrobj = PyString_InternFromString(attrstr);
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1171 if (*attrobj == NULL)
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1172 return NULL;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1173 }
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1174 res = _PyType_Lookup(Py_TYPE(self), *attrobj);
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1175 if (res != NULL) {
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1176 descrgetfunc f;
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1177 if ((f = Py_TYPE(res)->tp_descr_get) == NULL)
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1178 Py_INCREF(res);
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1179 else
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1180 res = f(res, self, (PyObject *)(Py_TYPE(self)));
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1181 }
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1182 return res;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1183 }
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1184
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1185 static PyObject *
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1186 lookup_method(PyObject *self, char *attrstr, PyObject **attrobj)
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1187 {
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1188 PyObject *res = lookup_maybe(self, attrstr, attrobj);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1189 if (res == NULL && !PyErr_Occurred())
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1190 PyErr_SetObject(PyExc_AttributeError, *attrobj);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1191 return res;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1192 }
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1193
53904
1ecdca11eb9e add _PyObject_LookupSpecial to handle fetching special method lookup
Benjamin Peterson <benjamin@python.org>
parents: 53372
diff changeset
1194 PyObject *
1ecdca11eb9e add _PyObject_LookupSpecial to handle fetching special method lookup
Benjamin Peterson <benjamin@python.org>
parents: 53372
diff changeset
1195 _PyObject_LookupSpecial(PyObject *self, char *attrstr, PyObject **attrobj)
1ecdca11eb9e add _PyObject_LookupSpecial to handle fetching special method lookup
Benjamin Peterson <benjamin@python.org>
parents: 53372
diff changeset
1196 {
53949
b7920e183422 can't handle classic classes here
Benjamin Peterson <benjamin@python.org>
parents: 53904
diff changeset
1197 assert(!PyInstance_Check(self));
53904
1ecdca11eb9e add _PyObject_LookupSpecial to handle fetching special method lookup
Benjamin Peterson <benjamin@python.org>
parents: 53372
diff changeset
1198 return lookup_maybe(self, attrstr, attrobj);
1ecdca11eb9e add _PyObject_LookupSpecial to handle fetching special method lookup
Benjamin Peterson <benjamin@python.org>
parents: 53372
diff changeset
1199 }
1ecdca11eb9e add _PyObject_LookupSpecial to handle fetching special method lookup
Benjamin Peterson <benjamin@python.org>
parents: 53372
diff changeset
1200
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1201 /* A variation of PyObject_CallMethod that uses lookup_method()
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1202 instead of PyObject_GetAttrString(). This uses the same convention
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1203 as lookup_method to cache the interned name string object. */
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1204
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
1205 static PyObject *
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1206 call_method(PyObject *o, char *name, PyObject **nameobj, char *format, ...)
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1207 {
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1208 va_list va;
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1209 PyObject *args, *func = 0, *retval;
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1210 va_start(va, format);
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1211
20225
aa18c0ecc4fb call_method(), call_maybe(): fix a performance bug: the argument
Guido van Rossum <guido@python.org>
parents: 20220
diff changeset
1212 func = lookup_maybe(o, name, nameobj);
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1213 if (func == NULL) {
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1214 va_end(va);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1215 if (!PyErr_Occurred())
20225
aa18c0ecc4fb call_method(), call_maybe(): fix a performance bug: the argument
Guido van Rossum <guido@python.org>
parents: 20220
diff changeset
1216 PyErr_SetObject(PyExc_AttributeError, *nameobj);
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1217 return NULL;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1218 }
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1219
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1220 if (format && *format)
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1221 args = Py_VaBuildValue(format, va);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1222 else
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1223 args = PyTuple_New(0);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1224
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1225 va_end(va);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1226
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1227 if (args == NULL)
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1228 return NULL;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1229
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1230 assert(PyTuple_Check(args));
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1231 retval = PyObject_Call(func, args, NULL);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1232
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1233 Py_DECREF(args);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1234 Py_DECREF(func);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1235
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1236 return retval;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1237 }
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1238
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1239 /* Clone of call_method() that returns NotImplemented when the lookup fails. */
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1240
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
1241 static PyObject *
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1242 call_maybe(PyObject *o, char *name, PyObject **nameobj, char *format, ...)
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1243 {
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1244 va_list va;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1245 PyObject *args, *func = 0, *retval;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1246 va_start(va, format);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1247
20225
aa18c0ecc4fb call_method(), call_maybe(): fix a performance bug: the argument
Guido van Rossum <guido@python.org>
parents: 20220
diff changeset
1248 func = lookup_maybe(o, name, nameobj);
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1249 if (func == NULL) {
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1250 va_end(va);
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1251 if (!PyErr_Occurred()) {
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1252 Py_INCREF(Py_NotImplemented);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1253 return Py_NotImplemented;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1254 }
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
1255 return NULL;
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1256 }
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1257
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1258 if (format && *format)
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1259 args = Py_VaBuildValue(format, va);
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1260 else
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1261 args = PyTuple_New(0);
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1262
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1263 va_end(va);
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1264
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
1265 if (args == NULL)
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1266 return NULL;
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1267
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
1268 assert(PyTuple_Check(args));
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
1269 retval = PyObject_Call(func, args, NULL);
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1270
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1271 Py_DECREF(args);
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1272 Py_DECREF(func);
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1273
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1274 return retval;
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1275 }
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1276
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1277 static int
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1278 fill_classic_mro(PyObject *mro, PyObject *cls)
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1279 {
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1280 PyObject *bases, *base;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1281 Py_ssize_t i, n;
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1282
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1283 assert(PyList_Check(mro));
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1284 assert(PyClass_Check(cls));
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1285 i = PySequence_Contains(mro, cls);
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1286 if (i < 0)
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1287 return -1;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1288 if (!i) {
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1289 if (PyList_Append(mro, cls) < 0)
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1290 return -1;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1291 }
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1292 bases = ((PyClassObject *)cls)->cl_bases;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1293 assert(bases && PyTuple_Check(bases));
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1294 n = PyTuple_GET_SIZE(bases);
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1295 for (i = 0; i < n; i++) {
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1296 base = PyTuple_GET_ITEM(bases, i);
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1297 if (fill_classic_mro(mro, base) < 0)
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1298 return -1;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1299 }
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1300 return 0;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1301 }
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1302
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1303 static PyObject *
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1304 classic_mro(PyObject *cls)
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1305 {
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1306 PyObject *mro;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1307
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1308 assert(PyClass_Check(cls));
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1309 mro = PyList_New(0);
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1310 if (mro != NULL) {
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1311 if (fill_classic_mro(mro, cls) == 0)
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1312 return mro;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1313 Py_DECREF(mro);
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1314 }
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1315 return NULL;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1316 }
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1317
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1318 /*
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1319 Method resolution order algorithm C3 described in
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1320 "A Monotonic Superclass Linearization for Dylan",
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1321 by Kim Barrett, Bob Cassel, Paul Haahr,
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1322 David A. Moon, Keith Playford, and P. Tucker Withington.
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1323 (OOPSLA 1996)
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1324
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1325 Some notes about the rules implied by C3:
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1326
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1327 No duplicate bases.
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1328 It isn't legal to repeat a class in a list of base classes.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1329
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1330 The next three properties are the 3 constraints in "C3".
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1331
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1332 Local precendece order.
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1333 If A precedes B in C's MRO, then A will precede B in the MRO of all
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1334 subclasses of C.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1335
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1336 Monotonicity.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1337 The MRO of a class must be an extension without reordering of the
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1338 MRO of each of its superclasses.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1339
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1340 Extended Precedence Graph (EPG).
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1341 Linearization is consistent if there is a path in the EPG from
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1342 each class to all its successors in the linearization. See
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1343 the paper for definition of EPG.
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1344 */
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1345
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1346 static int
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1347 tail_contains(PyObject *list, int whence, PyObject *o) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1348 Py_ssize_t j, size;
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1349 size = PyList_GET_SIZE(list);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1350
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1351 for (j = whence+1; j < size; j++) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1352 if (PyList_GET_ITEM(list, j) == o)
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1353 return 1;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1354 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1355 return 0;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1356 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1357
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1358 static PyObject *
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1359 class_name(PyObject *cls)
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1360 {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1361 PyObject *name = PyObject_GetAttrString(cls, "__name__");
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1362 if (name == NULL) {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1363 PyErr_Clear();
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1364 Py_XDECREF(name);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1365 name = PyObject_Repr(cls);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1366 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1367 if (name == NULL)
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1368 return NULL;
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
1369 if (!PyString_Check(name)) {
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1370 Py_DECREF(name);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1371 return NULL;
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1372 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1373 return name;
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1374 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1375
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1376 static int
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1377 check_duplicates(PyObject *list)
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1378 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1379 Py_ssize_t i, j, n;
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1380 /* Let's use a quadratic time algorithm,
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1381 assuming that the bases lists is short.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1382 */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1383 n = PyList_GET_SIZE(list);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1384 for (i = 0; i < n; i++) {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1385 PyObject *o = PyList_GET_ITEM(list, i);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1386 for (j = i + 1; j < n; j++) {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1387 if (PyList_GET_ITEM(list, j) == o) {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1388 o = class_name(o);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1389 PyErr_Format(PyExc_TypeError,
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1390 "duplicate base class %s",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
1391 o ? PyString_AS_STRING(o) : "?");
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1392 Py_XDECREF(o);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1393 return -1;
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1394 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1395 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1396 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1397 return 0;
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1398 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1399
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1400 /* Raise a TypeError for an MRO order disagreement.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1401
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1402 It's hard to produce a good error message. In the absence of better
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1403 insight into error reporting, report the classes that were candidates
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1404 to be put next into the MRO. There is some conflict between the
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1405 order in which they should be put in the MRO, but it's hard to
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1406 diagnose what constraint can't be satisfied.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1407 */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1408
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1409 static void
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1410 set_mro_error(PyObject *to_merge, int *remain)
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1411 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1412 Py_ssize_t i, n, off, to_merge_size;
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1413 char buf[1000];
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1414 PyObject *k, *v;
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1415 PyObject *set = PyDict_New();
37067
1f4549865aad Fix some missing checks after PyTuple_New, PyList_New, PyDict_New
Georg Brandl <georg@python.org>
parents: 36925
diff changeset
1416 if (!set) return;
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1417
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1418 to_merge_size = PyList_GET_SIZE(to_merge);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1419 for (i = 0; i < to_merge_size; i++) {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1420 PyObject *L = PyList_GET_ITEM(to_merge, i);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1421 if (remain[i] < PyList_GET_SIZE(L)) {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1422 PyObject *c = PyList_GET_ITEM(L, remain[i]);
37067
1f4549865aad Fix some missing checks after PyTuple_New, PyList_New, PyDict_New
Georg Brandl <georg@python.org>
parents: 36925
diff changeset
1423 if (PyDict_SetItem(set, c, Py_None) < 0) {
1f4549865aad Fix some missing checks after PyTuple_New, PyList_New, PyDict_New
Georg Brandl <georg@python.org>
parents: 36925
diff changeset
1424 Py_DECREF(set);
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1425 return;
37067
1f4549865aad Fix some missing checks after PyTuple_New, PyList_New, PyDict_New
Georg Brandl <georg@python.org>
parents: 36925
diff changeset
1426 }
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1427 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1428 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1429 n = PyDict_Size(set);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1430
28514
9400504cb0b2 SF bug #699934: Obscure error message
Raymond Hettinger <python@rcn.com>
parents: 28403
diff changeset
1431 off = PyOS_snprintf(buf, sizeof(buf), "Cannot create a \
9400504cb0b2 SF bug #699934: Obscure error message
Raymond Hettinger <python@rcn.com>
parents: 28403
diff changeset
1432 consistent method resolution\norder (MRO) for bases");
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1433 i = 0;
37815
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37759
diff changeset
1434 while (PyDict_Next(set, &i, &k, &v) && (size_t)off < sizeof(buf)) {
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1435 PyObject *name = class_name(k);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1436 off += PyOS_snprintf(buf + off, sizeof(buf) - off, " %s",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
1437 name ? PyString_AS_STRING(name) : "?");
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1438 Py_XDECREF(name);
37815
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37759
diff changeset
1439 if (--n && (size_t)(off+1) < sizeof(buf)) {
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1440 buf[off++] = ',';
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1441 buf[off] = '\0';
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1442 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1443 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1444 PyErr_SetString(PyExc_TypeError, buf);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1445 Py_DECREF(set);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1446 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1447
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1448 static int
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1449 pmerge(PyObject *acc, PyObject* to_merge) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1450 Py_ssize_t i, j, to_merge_size, empty_cnt;
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1451 int *remain;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1452 int ok;
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1453
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1454 to_merge_size = PyList_GET_SIZE(to_merge);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1455
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1456 /* remain stores an index into each sublist of to_merge.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1457 remain[i] is the index of the next base in to_merge[i]
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1458 that is not included in acc.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1459 */
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
1460 remain = (int *)PyMem_MALLOC(SIZEOF_INT*to_merge_size);
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1461 if (remain == NULL)
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1462 return -1;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1463 for (i = 0; i < to_merge_size; i++)
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1464 remain[i] = 0;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1465
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1466 again:
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1467 empty_cnt = 0;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1468 for (i = 0; i < to_merge_size; i++) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1469 PyObject *candidate;
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1470
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1471 PyObject *cur_list = PyList_GET_ITEM(to_merge, i);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1472
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1473 if (remain[i] >= PyList_GET_SIZE(cur_list)) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1474 empty_cnt++;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1475 continue;
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1476 }
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1477
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1478 /* Choose next candidate for MRO.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1479
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1480 The input sequences alone can determine the choice.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1481 If not, choose the class which appears in the MRO
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1482 of the earliest direct superclass of the new class.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1483 */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1484
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1485 candidate = PyList_GET_ITEM(cur_list, remain[i]);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1486 for (j = 0; j < to_merge_size; j++) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1487 PyObject *j_lst = PyList_GET_ITEM(to_merge, j);
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1488 if (tail_contains(j_lst, remain[j], candidate)) {
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1489 goto skip; /* continue outer loop */
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1490 }
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1491 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1492 ok = PyList_Append(acc, candidate);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1493 if (ok < 0) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1494 PyMem_Free(remain);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1495 return -1;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1496 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1497 for (j = 0; j < to_merge_size; j++) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1498 PyObject *j_lst = PyList_GET_ITEM(to_merge, j);
26964
5df7a284eaf4 Fix an out-of-bound index in pmerge() discovered by Zooko (SF bug
Guido van Rossum <guido@python.org>
parents: 26660
diff changeset
1499 if (remain[j] < PyList_GET_SIZE(j_lst) &&
5df7a284eaf4 Fix an out-of-bound index in pmerge() discovered by Zooko (SF bug
Guido van Rossum <guido@python.org>
parents: 26660
diff changeset
1500 PyList_GET_ITEM(j_lst, remain[j]) == candidate) {
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1501 remain[j]++;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1502 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1503 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1504 goto again;
26227
529719a5350e Repaired illegal syntax most compilers probably let slide (but MSVC
Tim Peters <tim.peters@gmail.com>
parents: 26222
diff changeset
1505 skip: ;
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1506 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1507
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1508 if (empty_cnt == to_merge_size) {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1509 PyMem_FREE(remain);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1510 return 0;
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1511 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1512 set_mro_error(to_merge, remain);
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1513 PyMem_FREE(remain);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1514 return -1;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1515 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1516
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1517 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1518 mro_implementation(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1519 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1520 Py_ssize_t i, n;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1521 int ok;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1522 PyObject *bases, *result;
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1523 PyObject *to_merge, *bases_aslist;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1524
45004
e224ad4b8b8c Whitespace cleanup
Neal Norwitz <nnorwitz@gmail.com>
parents: 44664
diff changeset
1525 if (type->tp_dict == NULL) {
e224ad4b8b8c Whitespace cleanup
Neal Norwitz <nnorwitz@gmail.com>
parents: 44664
diff changeset
1526 if (PyType_Ready(type) < 0)
23903
066f8938071a Patch from SF bug 570483 (Tim Northover).
Guido van Rossum <guido@python.org>
parents: 23856
diff changeset
1527 return NULL;
066f8938071a Patch from SF bug 570483 (Tim Northover).
Guido van Rossum <guido@python.org>
parents: 23856
diff changeset
1528 }
066f8938071a Patch from SF bug 570483 (Tim Northover).
Guido van Rossum <guido@python.org>
parents: 23856
diff changeset
1529
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1530 /* Find a superclass linearization that honors the constraints
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1531 of the explicit lists of bases and the constraints implied by
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1532 each base class.
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1533
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1534 to_merge is a list of lists, where each list is a superclass
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1535 linearization implied by a base class. The last element of
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1536 to_merge is the declared list of bases.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1537 */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1538
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1539 bases = type->tp_bases;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1540 n = PyTuple_GET_SIZE(bases);
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1541
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1542 to_merge = PyList_New(n+1);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1543 if (to_merge == NULL)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1544 return NULL;
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1545
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1546 for (i = 0; i < n; i++) {
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1547 PyObject *base = PyTuple_GET_ITEM(bases, i);
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1548 PyObject *parentMRO;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1549 if (PyType_Check(base))
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1550 parentMRO = PySequence_List(
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1551 ((PyTypeObject*)base)->tp_mro);
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1552 else
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1553 parentMRO = classic_mro(base);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1554 if (parentMRO == NULL) {
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1555 Py_DECREF(to_merge);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1556 return NULL;
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
1557 }
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1558
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1559 PyList_SET_ITEM(to_merge, i, parentMRO);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1560 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1561
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1562 bases_aslist = PySequence_List(bases);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1563 if (bases_aslist == NULL) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1564 Py_DECREF(to_merge);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1565 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1566 }
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1567 /* This is just a basic sanity check. */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1568 if (check_duplicates(bases_aslist) < 0) {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1569 Py_DECREF(to_merge);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1570 Py_DECREF(bases_aslist);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1571 return NULL;
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1572 }
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1573 PyList_SET_ITEM(to_merge, n, bases_aslist);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1574
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1575 result = Py_BuildValue("[O]", (PyObject *)type);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1576 if (result == NULL) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1577 Py_DECREF(to_merge);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1578 return NULL;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1579 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1580
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1581 ok = pmerge(result, to_merge);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1582 Py_DECREF(to_merge);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1583 if (ok < 0) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1584 Py_DECREF(result);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1585 return NULL;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1586 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1587
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1588 return result;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1589 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1590
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1591 static PyObject *
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19300
diff changeset
1592 mro_external(PyObject *self)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1593 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1594 PyTypeObject *type = (PyTypeObject *)self;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1595
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1596 return mro_implementation(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1597 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1598
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1599 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1600 mro_internal(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1601 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1602 PyObject *mro, *result, *tuple;
36153
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1603 int checkit = 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1604
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1605 if (Py_TYPE(type) == &PyType_Type) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1606 result = mro_implementation(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1607 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1608 else {
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1609 static PyObject *mro_str;
36153
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1610 checkit = 1;
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1611 mro = lookup_method((PyObject *)type, "mro", &mro_str);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1612 if (mro == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1613 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1614 result = PyObject_CallObject(mro, NULL);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1615 Py_DECREF(mro);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1616 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1617 if (result == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1618 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1619 tuple = PySequence_Tuple(result);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1620 Py_DECREF(result);
36153
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1621 if (tuple == NULL)
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1622 return -1;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1623 if (checkit) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1624 Py_ssize_t i, len;
36153
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1625 PyObject *cls;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1626 PyTypeObject *solid;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1627
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1628 solid = solid_base(type);
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1629
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1630 len = PyTuple_GET_SIZE(tuple);
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1631
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1632 for (i = 0; i < len; i++) {
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1633 PyTypeObject *t;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1634 cls = PyTuple_GET_ITEM(tuple, i);
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1635 if (PyClass_Check(cls))
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1636 continue;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1637 else if (!PyType_Check(cls)) {
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1638 PyErr_Format(PyExc_TypeError,
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1639 "mro() returned a non-class ('%.500s')",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1640 Py_TYPE(cls)->tp_name);
36169
652429c4f2a4 Fix ref/memory leak introduced in rev 41845.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36153
diff changeset
1641 Py_DECREF(tuple);
36153
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1642 return -1;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1643 }
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1644 t = (PyTypeObject*)cls;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1645 if (!PyType_IsSubtype(solid, solid_base(t))) {
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1646 PyErr_Format(PyExc_TypeError,
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1647 "mro() returned base with unsuitable layout ('%.500s')",
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1648 t->tp_name);
36169
652429c4f2a4 Fix ref/memory leak introduced in rev 41845.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36153
diff changeset
1649 Py_DECREF(tuple);
36153
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1650 return -1;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1651 }
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1652 }
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1653 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1654 type->tp_mro = tuple;
44664
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
1655
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
1656 type_mro_modified(type, type->tp_mro);
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
1657 /* corner case: the old-style super class might have been hidden
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
1658 from the custom MRO */
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
1659 type_mro_modified(type, type->tp_bases);
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
1660
47358
93fe913fae55 #2989: add PyType_Modified().
Georg Brandl <georg@python.org>
parents: 47294
diff changeset
1661 PyType_Modified(type);
44664
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
1662
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1663 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1664 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1665
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1666
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1667 /* Calculate the best base amongst multiple base classes.
41488
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
1668 This is the first one that's on the path to the "solid base". */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1669
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1670 static PyTypeObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1671 best_base(PyObject *bases)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1672 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1673 Py_ssize_t i, n;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1674 PyTypeObject *base, *winner, *candidate, *base_i;
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1675 PyObject *base_proto;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1676
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1677 assert(PyTuple_Check(bases));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1678 n = PyTuple_GET_SIZE(bases);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1679 assert(n > 0);
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1680 base = NULL;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1681 winner = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1682 for (i = 0; i < n; i++) {
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1683 base_proto = PyTuple_GET_ITEM(bases, i);
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1684 if (PyClass_Check(base_proto))
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1685 continue;
41488
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
1686 if (!PyType_Check(base_proto)) {
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
1687 PyErr_SetString(
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
1688 PyExc_TypeError,
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
1689 "bases must be types");
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
1690 return NULL;
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
1691 }
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1692 base_i = (PyTypeObject *)base_proto;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1693 if (base_i->tp_dict == NULL) {
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 19036
diff changeset
1694 if (PyType_Ready(base_i) < 0)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1695 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1696 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1697 candidate = solid_base(base_i);
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1698 if (winner == NULL) {
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1699 winner = candidate;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1700 base = base_i;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1701 }
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1702 else if (PyType_IsSubtype(winner, candidate))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1703 ;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1704 else if (PyType_IsSubtype(candidate, winner)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1705 winner = candidate;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1706 base = base_i;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1707 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1708 else {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1709 PyErr_SetString(
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1710 PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1711 "multiple bases have "
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1712 "instance lay-out conflict");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1713 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1714 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1715 }
21404
064311149cb4 (Merge into trunk.)
Guido van Rossum <guido@python.org>
parents: 21246
diff changeset
1716 if (base == NULL)
064311149cb4 (Merge into trunk.)
Guido van Rossum <guido@python.org>
parents: 21246
diff changeset
1717 PyErr_SetString(PyExc_TypeError,
064311149cb4 (Merge into trunk.)
Guido van Rossum <guido@python.org>
parents: 21246
diff changeset
1718 "a new-style class can't have only classic bases");
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1719 return base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1720 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1721
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1722 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1723 extra_ivars(PyTypeObject *type, PyTypeObject *base)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1724 {
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
1725 size_t t_size = type->tp_basicsize;
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
1726 size_t b_size = base->tp_basicsize;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1727
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1728 assert(t_size >= b_size); /* Else type smaller than base! */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1729 if (type->tp_itemsize || base->tp_itemsize) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1730 /* If itemsize is involved, stricter rules */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1731 return t_size != b_size ||
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1732 type->tp_itemsize != base->tp_itemsize;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1733 }
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1734 if (type->tp_weaklistoffset && base->tp_weaklistoffset == 0 &&
41576
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1735 type->tp_weaklistoffset + sizeof(PyObject *) == t_size &&
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1736 type->tp_flags & Py_TPFLAGS_HEAPTYPE)
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1737 t_size -= sizeof(PyObject *);
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1738 if (type->tp_dictoffset && base->tp_dictoffset == 0 &&
41576
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1739 type->tp_dictoffset + sizeof(PyObject *) == t_size &&
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1740 type->tp_flags & Py_TPFLAGS_HEAPTYPE)
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1741 t_size -= sizeof(PyObject *);
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1742
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1743 return t_size != b_size;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1744 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1745
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1746 static PyTypeObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1747 solid_base(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1748 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1749 PyTypeObject *base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1750
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1751 if (type->tp_base)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1752 base = solid_base(type->tp_base);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1753 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1754 base = &PyBaseObject_Type;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1755 if (extra_ivars(type, base))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1756 return type;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1757 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1758 return base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1759 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1760
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1761 static void object_dealloc(PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1762 static int object_init(PyObject *, PyObject *, PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1763 static int update_slot(PyTypeObject *, PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1764 static void fixup_slot_dispatchers(PyTypeObject *);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1765
41576
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1766 /*
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1767 * Helpers for __dict__ descriptor. We don't want to expose the dicts
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1768 * inherited from various builtin types. The builtin base usually provides
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1769 * its own __dict__ descriptor, so we use that when we can.
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1770 */
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1771 static PyTypeObject *
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1772 get_builtin_base_with_dict(PyTypeObject *type)
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1773 {
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1774 while (type->tp_base != NULL) {
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1775 if (type->tp_dictoffset != 0 &&
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1776 !(type->tp_flags & Py_TPFLAGS_HEAPTYPE))
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1777 return type;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1778 type = type->tp_base;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1779 }
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1780 return NULL;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1781 }
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1782
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1783 static PyObject *
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1784 get_dict_descriptor(PyTypeObject *type)
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1785 {
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1786 static PyObject *dict_str;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1787 PyObject *descr;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1788
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1789 if (dict_str == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
1790 dict_str = PyString_InternFromString("__dict__");
41576
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1791 if (dict_str == NULL)
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1792 return NULL;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1793 }
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1794 descr = _PyType_Lookup(type, dict_str);
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1795 if (descr == NULL || !PyDescr_IsData(descr))
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1796 return NULL;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1797
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1798 return descr;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1799 }
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1800
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1801 static void
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1802 raise_dict_descr_error(PyObject *obj)
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1803 {
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1804 PyErr_Format(PyExc_TypeError,
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1805 "this __dict__ descriptor does not support "
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1806 "'%.200s' objects", obj->ob_type->tp_name);
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1807 }
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1808
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1809 static PyObject *
19616
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1810 subtype_dict(PyObject *obj, void *context)
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1811 {
41576
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1812 PyObject **dictptr;
19616
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1813 PyObject *dict;
41576
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1814 PyTypeObject *base;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1815
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1816 base = get_builtin_base_with_dict(obj->ob_type);
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1817 if (base != NULL) {
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1818 descrgetfunc func;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1819 PyObject *descr = get_dict_descriptor(base);
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1820 if (descr == NULL) {
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1821 raise_dict_descr_error(obj);
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1822 return NULL;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1823 }
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1824 func = descr->ob_type->tp_descr_get;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1825 if (func == NULL) {
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1826 raise_dict_descr_error(obj);
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1827 return NULL;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1828 }
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1829 return func(descr, obj, (PyObject *)(obj->ob_type));
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1830 }
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1831
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1832 dictptr = _PyObject_GetDictPtr(obj);
19616
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1833 if (dictptr == NULL) {
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1834 PyErr_SetString(PyExc_AttributeError,
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1835 "This object has no __dict__");
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1836 return NULL;
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1837 }
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1838 dict = *dictptr;
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
1839 if (dict == NULL)
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
1840 *dictptr = dict = PyDict_New();
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
1841 Py_XINCREF(dict);
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
1842 return dict;
19616
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1843 }
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1844
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1845 static int
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1846 subtype_setdict(PyObject *obj, PyObject *value, void *context)
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1847 {
41576
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1848 PyObject **dictptr;
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1849 PyObject *dict;
41576
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1850 PyTypeObject *base;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1851
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1852 base = get_builtin_base_with_dict(obj->ob_type);
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1853 if (base != NULL) {
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1854 descrsetfunc func;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1855 PyObject *descr = get_dict_descriptor(base);
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1856 if (descr == NULL) {
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1857 raise_dict_descr_error(obj);
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1858 return -1;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1859 }
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1860 func = descr->ob_type->tp_descr_set;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1861 if (func == NULL) {
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1862 raise_dict_descr_error(obj);
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1863 return -1;
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1864 }
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1865 return func(descr, obj, value);
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1866 }
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1867
980ff0b1b957 Fix for #1303614 and #1174712:
Armin Rigo <arigo@tunes.org>
parents: 41489
diff changeset
1868 dictptr = _PyObject_GetDictPtr(obj);
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1869 if (dictptr == NULL) {
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1870 PyErr_SetString(PyExc_AttributeError,
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1871 "This object has no __dict__");
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1872 return -1;
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1873 }
21235
b782490da7f0 At the PythonLabs meeting someone mentioned it would make Jim really
Guido van Rossum <guido@python.org>
parents: 21192
diff changeset
1874 if (value != NULL && !PyDict_Check(value)) {
38871
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38314
diff changeset
1875 PyErr_Format(PyExc_TypeError,
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38314
diff changeset
1876 "__dict__ must be set to a dictionary, "
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1877 "not a '%.200s'", Py_TYPE(value)->tp_name);
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1878 return -1;
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1879 }
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1880 dict = *dictptr;
21235
b782490da7f0 At the PythonLabs meeting someone mentioned it would make Jim really
Guido van Rossum <guido@python.org>
parents: 21192
diff changeset
1881 Py_XINCREF(value);
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1882 *dictptr = value;
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1883 Py_XDECREF(dict);
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1884 return 0;
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1885 }
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1886
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1887 static PyObject *
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1888 subtype_getweakref(PyObject *obj, void *context)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1889 {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1890 PyObject **weaklistptr;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1891 PyObject *result;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1892
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1893 if (Py_TYPE(obj)->tp_weaklistoffset == 0) {
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1894 PyErr_SetString(PyExc_AttributeError,
39367
55f830183532 SF patch #1534048 (bug #1531003): fix typo in error message
Fred Drake <fdrake@acm.org>
parents: 39129
diff changeset
1895 "This object has no __weakref__");
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1896 return NULL;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1897 }
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1898 assert(Py_TYPE(obj)->tp_weaklistoffset > 0);
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1899 assert(Py_TYPE(obj)->tp_weaklistoffset + sizeof(PyObject *) <=
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1900 (size_t)(Py_TYPE(obj)->tp_basicsize));
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1901 weaklistptr = (PyObject **)
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1902 ((char *)obj + Py_TYPE(obj)->tp_weaklistoffset);
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1903 if (*weaklistptr == NULL)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1904 result = Py_None;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1905 else
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1906 result = *weaklistptr;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1907 Py_INCREF(result);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1908 return result;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1909 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1910
27132
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1911 /* Three variants on the subtype_getsets list. */
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1912
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1913 static PyGetSetDef subtype_getsets_full[] = {
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1914 {"__dict__", subtype_dict, subtype_setdict,
24785
4de9ac0e4173 Allow docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24762
diff changeset
1915 PyDoc_STR("dictionary for instance variables (if defined)")},
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1916 {"__weakref__", subtype_getweakref, NULL,
24785
4de9ac0e4173 Allow docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24762
diff changeset
1917 PyDoc_STR("list of weak references to the object (if defined)")},
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1918 {0}
19616
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1919 };
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1920
27132
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1921 static PyGetSetDef subtype_getsets_dict_only[] = {
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1922 {"__dict__", subtype_dict, subtype_setdict,
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1923 PyDoc_STR("dictionary for instance variables (if defined)")},
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1924 {0}
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1925 };
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1926
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1927 static PyGetSetDef subtype_getsets_weakref_only[] = {
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1928 {"__weakref__", subtype_getweakref, NULL,
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1929 PyDoc_STR("list of weak references to the object (if defined)")},
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1930 {0}
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1931 };
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1932
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1933 static int
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1934 valid_identifier(PyObject *s)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1935 {
24245
50443127b21d valid_identifier(): use an unsigned char* so that isalpha() will do
Guido van Rossum <guido@python.org>
parents: 24184
diff changeset
1936 unsigned char *p;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1937 Py_ssize_t i, n;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1938
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
1939 if (!PyString_Check(s)) {
38871
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38314
diff changeset
1940 PyErr_Format(PyExc_TypeError,
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38314
diff changeset
1941 "__slots__ items must be strings, not '%.200s'",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
1942 Py_TYPE(s)->tp_name);
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1943 return 0;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1944 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
1945 p = (unsigned char *) PyString_AS_STRING(s);
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
1946 n = PyString_GET_SIZE(s);
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1947 /* We must reject an empty name. As a hack, we bump the
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1948 length to 1 so that the loop will balk on the trailing \0. */
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1949 if (n == 0)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1950 n = 1;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1951 for (i = 0; i < n; i++, p++) {
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1952 if (!(i == 0 ? isalpha(*p) : isalnum(*p)) && *p != '_') {
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1953 PyErr_SetString(PyExc_TypeError,
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1954 "__slots__ must be identifiers");
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1955 return 0;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1956 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1957 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1958 return 1;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1959 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1960
25792
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
1961 #ifdef Py_USING_UNICODE
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
1962 /* Replace Unicode objects in slots. */
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
1963
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
1964 static PyObject *
36519
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
1965 _unicode_to_string(PyObject *slots, Py_ssize_t nslots)
25792
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
1966 {
41188
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1967 PyObject *tmp = NULL;
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1968 PyObject *slot_name, *new_name;
36519
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
1969 Py_ssize_t i;
41188
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1970
25792
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
1971 for (i = 0; i < nslots; i++) {
41188
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1972 if (PyUnicode_Check(slot_name = PyTuple_GET_ITEM(slots, i))) {
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1973 if (tmp == NULL) {
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1974 tmp = PySequence_List(slots);
25792
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
1975 if (tmp == NULL)
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
1976 return NULL;
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
1977 }
41188
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1978 new_name = _PyUnicode_AsDefaultEncodedString(slot_name,
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1979 NULL);
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1980 if (new_name == NULL) {
25792
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
1981 Py_DECREF(tmp);
41188
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1982 return NULL;
25792
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
1983 }
41188
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1984 Py_INCREF(new_name);
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1985 PyList_SET_ITEM(tmp, i, new_name);
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1986 Py_DECREF(slot_name);
25792
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
1987 }
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
1988 }
41188
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1989 if (tmp != NULL) {
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1990 slots = PyList_AsTuple(tmp);
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1991 Py_DECREF(tmp);
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1992 }
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
1993 return slots;
25792
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
1994 }
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
1995 #endif
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
1996
41287
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
1997 /* Forward */
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
1998 static int
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
1999 object_init(PyObject *self, PyObject *args, PyObject *kwds);
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2000
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2001 static int
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2002 type_init(PyObject *cls, PyObject *args, PyObject *kwds)
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2003 {
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2004 int res;
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2005
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2006 assert(args != NULL && PyTuple_Check(args));
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2007 assert(kwds == NULL || PyDict_Check(kwds));
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2008
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2009 if (kwds != NULL && PyDict_Check(kwds) && PyDict_Size(kwds) != 0) {
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2010 PyErr_SetString(PyExc_TypeError,
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2011 "type.__init__() takes no keyword arguments");
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2012 return -1;
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2013 }
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2014
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2015 if (args != NULL && PyTuple_Check(args) &&
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2016 (PyTuple_GET_SIZE(args) != 1 && PyTuple_GET_SIZE(args) != 3)) {
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2017 PyErr_SetString(PyExc_TypeError,
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2018 "type.__init__() takes 1 or 3 arguments");
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2019 return -1;
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2020 }
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2021
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2022 /* Call object.__init__(self) now. */
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2023 /* XXX Could call super(type, cls).__init__() but what's the point? */
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2024 args = PyTuple_GetSlice(args, 0, 0);
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2025 res = object_init(cls, args, NULL);
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2026 Py_DECREF(args);
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2027 return res;
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2028 }
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2029
19616
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
2030 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2031 type_new(PyTypeObject *metatype, PyObject *args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2032 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2033 PyObject *name, *bases, *dict;
36675
dba6494735d0 Revert backwards-incompatible const changes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36631
diff changeset
2034 static char *kwlist[] = {"name", "bases", "dict", 0};
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2035 PyObject *slots, *tmp, *newslots;
19329
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
2036 PyTypeObject *type, *base, *tmptype, *winner;
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2037 PyHeapTypeObject *et;
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
2038 PyMemberDef *mp;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
2039 Py_ssize_t i, nbases, nslots, slotoffset, add_dict, add_weak;
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2040 int j, may_add_dict, may_add_weak;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2041
20725
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2042 assert(args != NULL && PyTuple_Check(args));
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2043 assert(kwds == NULL || PyDict_Check(kwds));
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2044
19329
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
2045 /* Special case: type(x) should return x->ob_type */
20725
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2046 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
2047 const Py_ssize_t nargs = PyTuple_GET_SIZE(args);
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
2048 const Py_ssize_t nkwds = kwds == NULL ? 0 : PyDict_Size(kwds);
20725
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2049
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2050 if (PyType_CheckExact(metatype) && nargs == 1 && nkwds == 0) {
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2051 PyObject *x = PyTuple_GET_ITEM(args, 0);
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
2052 Py_INCREF(Py_TYPE(x));
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
2053 return (PyObject *) Py_TYPE(x);
20725
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2054 }
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2055
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2056 /* SF bug 475327 -- if that didn't trigger, we need 3
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2057 arguments. but PyArg_ParseTupleAndKeywords below may give
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2058 a msg saying type() needs exactly 3. */
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2059 if (nargs + nkwds != 3) {
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2060 PyErr_SetString(PyExc_TypeError,
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2061 "type() takes 1 or 3 arguments");
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2062 return NULL;
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
2063 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2064 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2065
19329
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
2066 /* Check arguments: (name, bases, dict) */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2067 if (!PyArg_ParseTupleAndKeywords(args, kwds, "SO!O!:type", kwlist,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2068 &name,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2069 &PyTuple_Type, &bases,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2070 &PyDict_Type, &dict))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2071 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2072
41488
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2073 /* Determine the proper metatype to deal with this,
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2074 and check for metatype conflicts while we're at it.
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2075 Note that if some other metatype wins to contract,
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2076 it's possible that its instances are not types. */
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2077 nbases = PyTuple_GET_SIZE(bases);
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2078 winner = metatype;
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2079 for (i = 0; i < nbases; i++) {
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2080 tmp = PyTuple_GET_ITEM(bases, i);
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2081 tmptype = tmp->ob_type;
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2082 if (tmptype == &PyClass_Type)
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2083 continue; /* Special case classic classes */
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2084 if (PyType_IsSubtype(winner, tmptype))
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2085 continue;
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2086 if (PyType_IsSubtype(tmptype, winner)) {
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2087 winner = tmptype;
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2088 continue;
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2089 }
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2090 PyErr_SetString(PyExc_TypeError,
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2091 "metaclass conflict: "
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2092 "the metaclass of a derived class "
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2093 "must be a (non-strict) subclass "
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2094 "of the metaclasses of all its bases");
40975
d62805a993c5 Add checking for a number of metaclass error conditions.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40974
diff changeset
2095 return NULL;
41488
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2096 }
40975
d62805a993c5 Add checking for a number of metaclass error conditions.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40974
diff changeset
2097 if (winner != metatype) {
41488
5a6d903ab7b5 Revert r53997 as per
Armin Rigo <arigo@tunes.org>
parents: 41463
diff changeset
2098 if (winner->tp_new != type_new) /* Pass it to the winner */
40975
d62805a993c5 Add checking for a number of metaclass error conditions.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40974
diff changeset
2099 return winner->tp_new(winner, args, kwds);
19329
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
2100 metatype = winner;
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
2101 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2102
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2103 /* Adjust for empty tuple bases */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2104 if (nbases == 0) {
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
2105 bases = PyTuple_Pack(1, &PyBaseObject_Type);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2106 if (bases == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2107 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2108 nbases = 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2109 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2110 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2111 Py_INCREF(bases);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2112
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2113 /* XXX From here until type is allocated, "return NULL" leaks bases! */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2114
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2115 /* Calculate best base, and check that all bases are type objects */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2116 base = best_base(bases);
30098
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
2117 if (base == NULL) {
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
2118 Py_DECREF(bases);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2119 return NULL;
30098
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
2120 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2121 if (!PyType_HasFeature(base, Py_TPFLAGS_BASETYPE)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2122 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2123 "type '%.100s' is not an acceptable base type",
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2124 base->tp_name);
30098
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
2125 Py_DECREF(bases);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2126 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2127 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2128
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2129 /* Check for a __slots__ sequence variable in dict, and count it */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2130 slots = PyDict_GetItemString(dict, "__slots__");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2131 nslots = 0;
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
2132 add_dict = 0;
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
2133 add_weak = 0;
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2134 may_add_dict = base->tp_dictoffset == 0;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2135 may_add_weak = base->tp_weaklistoffset == 0 && base->tp_itemsize == 0;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2136 if (slots == NULL) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2137 if (may_add_dict) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2138 add_dict++;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2139 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2140 if (may_add_weak) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2141 add_weak++;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2142 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2143 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2144 else {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2145 /* Have slots */
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2146
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2147 /* Make it into a tuple */
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2148 if (PyString_Check(slots) || PyUnicode_Check(slots))
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
2149 slots = PyTuple_Pack(1, slots);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2150 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2151 slots = PySequence_Tuple(slots);
30098
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
2152 if (slots == NULL) {
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
2153 Py_DECREF(bases);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2154 return NULL;
30098
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
2155 }
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2156 assert(PyTuple_Check(slots));
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2157
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2158 /* Are slots allowed? */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2159 nslots = PyTuple_GET_SIZE(slots);
29899
434b6cda4fa5 Remove unnecessary check in tests for slots allowed.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29611
diff changeset
2160 if (nslots > 0 && base->tp_itemsize != 0) {
19595
db36e396f043 Safety measures now that str and tuple are subclassable:
Guido van Rossum <guido@python.org>
parents: 19594
diff changeset
2161 PyErr_Format(PyExc_TypeError,
db36e396f043 Safety measures now that str and tuple are subclassable:
Guido van Rossum <guido@python.org>
parents: 19594
diff changeset
2162 "nonempty __slots__ "
db36e396f043 Safety measures now that str and tuple are subclassable:
Guido van Rossum <guido@python.org>
parents: 19594
diff changeset
2163 "not supported for subtype of '%s'",
db36e396f043 Safety measures now that str and tuple are subclassable:
Guido van Rossum <guido@python.org>
parents: 19594
diff changeset
2164 base->tp_name);
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2165 bad_slots:
30098
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
2166 Py_DECREF(bases);
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2167 Py_DECREF(slots);
19595
db36e396f043 Safety measures now that str and tuple are subclassable:
Guido van Rossum <guido@python.org>
parents: 19594
diff changeset
2168 return NULL;
db36e396f043 Safety measures now that str and tuple are subclassable:
Guido van Rossum <guido@python.org>
parents: 19594
diff changeset
2169 }
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2170
25792
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
2171 #ifdef Py_USING_UNICODE
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
2172 tmp = _unicode_to_string(slots, nslots);
41188
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
2173 if (tmp == NULL)
2900ec04031d Patch #1680015: Don't modify __slots__ tuple if it contains an unicode
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41110
diff changeset
2174 goto bad_slots;
25793
b858f4c883dd Don't drop old slots if _unicode_to_string did not change anything.
Martin v. Löwis <martin@v.loewis.de>
parents: 25792
diff changeset
2175 if (tmp != slots) {
b858f4c883dd Don't drop old slots if _unicode_to_string did not change anything.
Martin v. Löwis <martin@v.loewis.de>
parents: 25792
diff changeset
2176 Py_DECREF(slots);
b858f4c883dd Don't drop old slots if _unicode_to_string did not change anything.
Martin v. Löwis <martin@v.loewis.de>
parents: 25792
diff changeset
2177 slots = tmp;
b858f4c883dd Don't drop old slots if _unicode_to_string did not change anything.
Martin v. Löwis <martin@v.loewis.de>
parents: 25792
diff changeset
2178 }
25792
a3d612f0563f Allow Unicode strings in __slots__, converting them to byte strings.
Martin v. Löwis <martin@v.loewis.de>
parents: 24867
diff changeset
2179 #endif
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2180 /* Check for valid slot names and two special cases */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2181 for (i = 0; i < nslots; i++) {
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2182 PyObject *tmp = PyTuple_GET_ITEM(slots, i);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2183 char *s;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2184 if (!valid_identifier(tmp))
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2185 goto bad_slots;
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2186 assert(PyString_Check(tmp));
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2187 s = PyString_AS_STRING(tmp);
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2188 if (strcmp(s, "__dict__") == 0) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2189 if (!may_add_dict || add_dict) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2190 PyErr_SetString(PyExc_TypeError,
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2191 "__dict__ slot disallowed: "
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2192 "we already got one");
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2193 goto bad_slots;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2194 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2195 add_dict++;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2196 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2197 if (strcmp(s, "__weakref__") == 0) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2198 if (!may_add_weak || add_weak) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2199 PyErr_SetString(PyExc_TypeError,
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2200 "__weakref__ slot disallowed: "
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2201 "either we already got one, "
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2202 "or __itemsize__ != 0");
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2203 goto bad_slots;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2204 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2205 add_weak++;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2206 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2207 }
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2208
41212
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2209 /* Copy slots into a list, mangle names and sort them.
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2210 Sorted names are needed for __class__ assignment.
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2211 Convert them back to tuple at the end.
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2212 */
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2213 newslots = PyList_New(nslots - add_dict - add_weak);
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2214 if (newslots == NULL)
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2215 goto bad_slots;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2216 for (i = j = 0; i < nslots; i++) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2217 char *s;
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2218 tmp = PyTuple_GET_ITEM(slots, i);
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2219 s = PyString_AS_STRING(tmp);
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2220 if ((add_dict && strcmp(s, "__dict__") == 0) ||
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2221 (add_weak && strcmp(s, "__weakref__") == 0))
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2222 continue;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35637
diff changeset
2223 tmp =_Py_Mangle(name, tmp);
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
2224 if (!tmp)
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
2225 goto bad_slots;
41212
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2226 PyList_SET_ITEM(newslots, j, tmp);
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2227 j++;
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2228 }
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2229 assert(j == nslots - add_dict - add_weak);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2230 nslots = j;
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2231 Py_DECREF(slots);
41212
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2232 if (PyList_Sort(newslots) == -1) {
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2233 Py_DECREF(bases);
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2234 Py_DECREF(newslots);
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2235 return NULL;
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2236 }
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2237 slots = PyList_AsTuple(newslots);
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2238 Py_DECREF(newslots);
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2239 if (slots == NULL) {
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2240 Py_DECREF(bases);
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2241 return NULL;
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
2242 }
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2243
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2244 /* Secondary bases may provide weakrefs or dict */
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2245 if (nbases > 1 &&
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2246 ((may_add_dict && !add_dict) ||
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2247 (may_add_weak && !add_weak))) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2248 for (i = 0; i < nbases; i++) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2249 tmp = PyTuple_GET_ITEM(bases, i);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2250 if (tmp == (PyObject *)base)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2251 continue; /* Skip primary base */
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2252 if (PyClass_Check(tmp)) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2253 /* Classic base class provides both */
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2254 if (may_add_dict && !add_dict)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2255 add_dict++;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2256 if (may_add_weak && !add_weak)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2257 add_weak++;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2258 break;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2259 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2260 assert(PyType_Check(tmp));
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2261 tmptype = (PyTypeObject *)tmp;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2262 if (may_add_dict && !add_dict &&
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2263 tmptype->tp_dictoffset != 0)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2264 add_dict++;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2265 if (may_add_weak && !add_weak &&
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2266 tmptype->tp_weaklistoffset != 0)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2267 add_weak++;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2268 if (may_add_dict && !add_dict)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2269 continue;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2270 if (may_add_weak && !add_weak)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2271 continue;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2272 /* Nothing more to check */
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2273 break;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2274 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2275 }
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
2276 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2277
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2278 /* XXX From here until type is safely allocated,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2279 "return NULL" may leak slots! */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2280
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2281 /* Allocate the type object */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2282 type = (PyTypeObject *)metatype->tp_alloc(metatype, nslots);
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2283 if (type == NULL) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2284 Py_XDECREF(slots);
30098
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
2285 Py_DECREF(bases);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2286 return NULL;
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2287 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2288
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2289 /* Keep name and slots alive in the extended type object */
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2290 et = (PyHeapTypeObject *)type;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2291 Py_INCREF(name);
36631
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
Georg Brandl <georg@python.org>
parents: 36519
diff changeset
2292 et->ht_name = name;
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
Georg Brandl <georg@python.org>
parents: 36519
diff changeset
2293 et->ht_slots = slots;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2294
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
2295 /* Initialize tp_flags */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2296 type->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HEAPTYPE |
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2297 Py_TPFLAGS_BASETYPE;
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2298 if (base->tp_flags & Py_TPFLAGS_HAVE_GC)
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2299 type->tp_flags |= Py_TPFLAGS_HAVE_GC;
52749
75efd757434b Issue #2396: backport the memoryview object.
Antoine Pitrou <solipsis@pitrou.net>
parents: 52176
diff changeset
2300 if (base->tp_flags & Py_TPFLAGS_HAVE_NEWBUFFER)
75efd757434b Issue #2396: backport the memoryview object.
Antoine Pitrou <solipsis@pitrou.net>
parents: 52176
diff changeset
2301 type->tp_flags |= Py_TPFLAGS_HAVE_NEWBUFFER;
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
2302
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
2303 /* It's a new-style number unless it specifically inherits any
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
2304 old-style numeric behavior */
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
2305 if ((base->tp_flags & Py_TPFLAGS_CHECKTYPES) ||
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
2306 (base->tp_as_number == NULL))
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
2307 type->tp_flags |= Py_TPFLAGS_CHECKTYPES;
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
2308
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
2309 /* Initialize essential fields */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2310 type->tp_as_number = &et->as_number;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2311 type->tp_as_sequence = &et->as_sequence;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2312 type->tp_as_mapping = &et->as_mapping;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2313 type->tp_as_buffer = &et->as_buffer;
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2314 type->tp_name = PyString_AS_STRING(name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2315
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2316 /* Set tp_base and tp_bases */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2317 type->tp_bases = bases;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2318 Py_INCREF(base);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2319 type->tp_base = base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2320
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
2321 /* Initialize tp_dict from passed-in dict */
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
2322 type->tp_dict = dict = PyDict_Copy(dict);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2323 if (dict == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2324 Py_DECREF(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2325 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2326 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2327
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2328 /* Set __module__ in the dict */
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2329 if (PyDict_GetItemString(dict, "__module__") == NULL) {
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2330 tmp = PyEval_GetGlobals();
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2331 if (tmp != NULL) {
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2332 tmp = PyDict_GetItemString(tmp, "__name__");
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2333 if (tmp != NULL) {
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2334 if (PyDict_SetItemString(dict, "__module__",
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2335 tmp) < 0)
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2336 return NULL;
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2337 }
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2338 }
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2339 }
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2340
20239
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2341 /* Set tp_doc to a copy of dict['__doc__'], if the latter is there
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
2342 and is a string. The __doc__ accessor will first look for tp_doc;
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
2343 if that fails, it will still look into __dict__.
20239
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2344 */
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2345 {
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2346 PyObject *doc = PyDict_GetItemString(dict, "__doc__");
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2347 if (doc != NULL && PyString_Check(doc)) {
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2348 const size_t n = (size_t)PyString_GET_SIZE(doc);
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
2349 char *tp_doc = (char *)PyObject_MALLOC(n+1);
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35742
diff changeset
2350 if (tp_doc == NULL) {
20239
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2351 Py_DECREF(type);
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2352 return NULL;
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2353 }
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2354 memcpy(tp_doc, PyString_AS_STRING(doc), n+1);
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
2355 type->tp_doc = tp_doc;
20239
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2356 }
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2357 }
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2358
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2359 /* Special-case __new__: if it's a plain function,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2360 make it a static function */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2361 tmp = PyDict_GetItemString(dict, "__new__");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2362 if (tmp != NULL && PyFunction_Check(tmp)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2363 tmp = PyStaticMethod_New(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2364 if (tmp == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2365 Py_DECREF(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2366 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2367 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2368 PyDict_SetItemString(dict, "__new__", tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2369 Py_DECREF(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2370 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2371
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2372 /* Add descriptors for custom slots from __slots__, or for __dict__ */
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2373 mp = PyHeapType_GET_MEMBERS(et);
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
2374 slotoffset = base->tp_basicsize;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2375 if (slots != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2376 for (i = 0; i < nslots; i++, mp++) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2377 mp->name = PyString_AS_STRING(
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2378 PyTuple_GET_ITEM(slots, i));
21192
c18ad52dece3 Fix SF bug #486144: Uninitialized __slot__ vrbl is None.
Guido van Rossum <guido@python.org>
parents: 21151
diff changeset
2379 mp->type = T_OBJECT_EX;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2380 mp->offset = slotoffset;
41110
a8ae2c29c66a Patch #1675981: remove unreachable code from type.__new__() method.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 40975
diff changeset
2381
a8ae2c29c66a Patch #1675981: remove unreachable code from type.__new__() method.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 40975
diff changeset
2382 /* __dict__ and __weakref__ are already filtered out */
a8ae2c29c66a Patch #1675981: remove unreachable code from type.__new__() method.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 40975
diff changeset
2383 assert(strcmp(mp->name, "__dict__") != 0);
a8ae2c29c66a Patch #1675981: remove unreachable code from type.__new__() method.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 40975
diff changeset
2384 assert(strcmp(mp->name, "__weakref__") != 0);
a8ae2c29c66a Patch #1675981: remove unreachable code from type.__new__() method.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 40975
diff changeset
2385
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2386 slotoffset += sizeof(PyObject *);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2387 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2388 }
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2389 if (add_dict) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2390 if (base->tp_itemsize)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2391 type->tp_dictoffset = -(long)sizeof(PyObject *);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2392 else
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2393 type->tp_dictoffset = slotoffset;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2394 slotoffset += sizeof(PyObject *);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2395 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2396 if (add_weak) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2397 assert(!base->tp_itemsize);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2398 type->tp_weaklistoffset = slotoffset;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2399 slotoffset += sizeof(PyObject *);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2400 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2401 type->tp_basicsize = slotoffset;
19616
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
2402 type->tp_itemsize = base->tp_itemsize;
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2403 type->tp_members = PyHeapType_GET_MEMBERS(et);
27132
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2404
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2405 if (type->tp_weaklistoffset && type->tp_dictoffset)
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2406 type->tp_getset = subtype_getsets_full;
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2407 else if (type->tp_weaklistoffset && !type->tp_dictoffset)
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2408 type->tp_getset = subtype_getsets_weakref_only;
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2409 else if (!type->tp_weaklistoffset && type->tp_dictoffset)
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2410 type->tp_getset = subtype_getsets_dict_only;
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2411 else
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2412 type->tp_getset = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2413
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2414 /* Special case some slots */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2415 if (type->tp_dictoffset != 0 || nslots > 0) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2416 if (base->tp_getattr == NULL && base->tp_getattro == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2417 type->tp_getattro = PyObject_GenericGetAttr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2418 if (base->tp_setattr == NULL && base->tp_setattro == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2419 type->tp_setattro = PyObject_GenericSetAttr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2420 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2421 type->tp_dealloc = subtype_dealloc;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2422
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
2423 /* Enable GC unless there are really no instance variables possible */
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
2424 if (!(type->tp_basicsize == sizeof(PyObject) &&
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
2425 type->tp_itemsize == 0))
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
2426 type->tp_flags |= Py_TPFLAGS_HAVE_GC;
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
2427
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2428 /* Always override allocation strategy to use regular heap */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2429 type->tp_alloc = PyType_GenericAlloc;
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2430 if (type->tp_flags & Py_TPFLAGS_HAVE_GC) {
22980
9f949027d7ba Change signature of _PyObject_GC_Malloc to match PyObject_MALLOC.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22871
diff changeset
2431 type->tp_free = PyObject_GC_Del;
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
2432 type->tp_traverse = subtype_traverse;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
2433 type->tp_clear = subtype_clear;
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2434 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2435 else
22980
9f949027d7ba Change signature of _PyObject_GC_Malloc to match PyObject_MALLOC.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22871
diff changeset
2436 type->tp_free = PyObject_Del;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2437
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2438 /* Initialize the rest */
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 19036
diff changeset
2439 if (PyType_Ready(type) < 0) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2440 Py_DECREF(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2441 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2442 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2443
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
2444 /* Put the proper slots in place */
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
2445 fixup_slot_dispatchers(type);
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
2446
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2447 return (PyObject *)type;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2448 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2449
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2450 /* Internal API to look for a name through the MRO.
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2451 This returns a borrowed reference, and doesn't set an exception! */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2452 PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2453 _PyType_Lookup(PyTypeObject *type, PyObject *name)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2454 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
2455 Py_ssize_t i, n;
47371
e81d02d09697 Revert #2990 patch; it's not necessary as Armin showed.
Georg Brandl <georg@python.org>
parents: 47360
diff changeset
2456 PyObject *mro, *res, *base, *dict;
44664
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2457 unsigned int h;
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2458
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2459 if (MCACHE_CACHEABLE_NAME(name) &&
45004
e224ad4b8b8c Whitespace cleanup
Neal Norwitz <nnorwitz@gmail.com>
parents: 44664
diff changeset
2460 PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) {
44664
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2461 /* fast path */
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2462 h = MCACHE_HASH_METHOD(type, name);
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2463 if (method_cache[h].version == type->tp_version_tag &&
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2464 method_cache[h].name == name)
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2465 return method_cache[h].value;
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2466 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2467
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
2468 /* Look in tp_dict of types in MRO */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2469 mro = type->tp_mro;
23753
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
2470
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
2471 /* If mro is NULL, the type is either not yet initialized
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
2472 by PyType_Ready(), or already cleared by type_clear().
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
2473 Either way the safest thing to do is to return NULL. */
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
2474 if (mro == NULL)
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
2475 return NULL;
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
2476
44664
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2477 res = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2478 assert(PyTuple_Check(mro));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2479 n = PyTuple_GET_SIZE(mro);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2480 for (i = 0; i < n; i++) {
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
2481 base = PyTuple_GET_ITEM(mro, i);
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
2482 if (PyClass_Check(base))
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
2483 dict = ((PyClassObject *)base)->cl_dict;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
2484 else {
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
2485 assert(PyType_Check(base));
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
2486 dict = ((PyTypeObject *)base)->tp_dict;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
2487 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2488 assert(dict && PyDict_Check(dict));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2489 res = PyDict_GetItem(dict, name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2490 if (res != NULL)
44664
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2491 break;
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2492 }
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2493
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2494 if (MCACHE_CACHEABLE_NAME(name) && assign_version_tag(type)) {
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2495 h = MCACHE_HASH_METHOD(type, name);
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2496 method_cache[h].version = type->tp_version_tag;
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2497 method_cache[h].value = res; /* borrowed */
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2498 Py_INCREF(name);
47371
e81d02d09697 Revert #2990 patch; it's not necessary as Armin showed.
Georg Brandl <georg@python.org>
parents: 47360
diff changeset
2499 Py_DECREF(method_cache[h].name);
44664
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2500 method_cache[h].name = name;
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2501 }
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
2502 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2503 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2504
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2505 /* This is similar to PyObject_GenericGetAttr(),
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2506 but uses _PyType_Lookup() instead of just looking in type->tp_dict. */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2507 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2508 type_getattro(PyTypeObject *type, PyObject *name)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2509 {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
2510 PyTypeObject *metatype = Py_TYPE(type);
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2511 PyObject *meta_attribute, *attribute;
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2512 descrgetfunc meta_get;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2513
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2514 /* Initialize this type (we'll assume the metatype is initialized) */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2515 if (type->tp_dict == NULL) {
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 19036
diff changeset
2516 if (PyType_Ready(type) < 0)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2517 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2518 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2519
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2520 /* No readable descriptor found yet */
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2521 meta_get = NULL;
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 23967
diff changeset
2522
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2523 /* Look for the attribute in the metatype */
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2524 meta_attribute = _PyType_Lookup(metatype, name);
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2525
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2526 if (meta_attribute != NULL) {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
2527 meta_get = Py_TYPE(meta_attribute)->tp_descr_get;
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 23967
diff changeset
2528
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2529 if (meta_get != NULL && PyDescr_IsData(meta_attribute)) {
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2530 /* Data descriptors implement tp_descr_set to intercept
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2531 * writes. Assume the attribute is not overridden in
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2532 * type's tp_dict (and bases): call the descriptor now.
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2533 */
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2534 return meta_get(meta_attribute, (PyObject *)type,
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2535 (PyObject *)metatype);
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2536 }
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2537 Py_INCREF(meta_attribute);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2538 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2539
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2540 /* No data descriptor found on metatype. Look in tp_dict of this
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2541 * type and its bases */
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2542 attribute = _PyType_Lookup(type, name);
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2543 if (attribute != NULL) {
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2544 /* Implement descriptor functionality, if any */
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
2545 descrgetfunc local_get = Py_TYPE(attribute)->tp_descr_get;
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2546
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2547 Py_XDECREF(meta_attribute);
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2548
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2549 if (local_get != NULL) {
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2550 /* NULL 2nd argument indicates the descriptor was
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2551 * found on the target object itself (or a base) */
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2552 return local_get(attribute, (PyObject *)NULL,
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2553 (PyObject *)type);
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2554 }
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 23967
diff changeset
2555
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2556 Py_INCREF(attribute);
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2557 return attribute;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2558 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2559
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2560 /* No attribute found in local __dict__ (or bases): use the
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2561 * descriptor from the metatype, if any */
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2562 if (meta_get != NULL) {
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2563 PyObject *res;
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2564 res = meta_get(meta_attribute, (PyObject *)type,
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2565 (PyObject *)metatype);
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2566 Py_DECREF(meta_attribute);
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2567 return res;
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2568 }
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2569
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2570 /* If an ordinary attribute was found on the metatype, return it now */
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2571 if (meta_attribute != NULL) {
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2572 return meta_attribute;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2573 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2574
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2575 /* Give up */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2576 PyErr_Format(PyExc_AttributeError,
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2577 "type object '%.50s' has no attribute '%.400s'",
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2578 type->tp_name, PyString_AS_STRING(name));
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2579 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2580 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2581
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2582 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2583 type_setattro(PyTypeObject *type, PyObject *name, PyObject *value)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2584 {
20439
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2585 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2586 PyErr_Format(
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2587 PyExc_TypeError,
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2588 "can't set attributes of built-in/extension type '%s'",
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2589 type->tp_name);
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2590 return -1;
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
2591 }
20439
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2592 if (PyObject_GenericSetAttr((PyObject *)type, name, value) < 0)
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2593 return -1;
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2594 return update_slot(type, name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2595 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2596
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2597 static void
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2598 type_dealloc(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2599 {
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2600 PyHeapTypeObject *et;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2601
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2602 /* Assert this is a heap-allocated type object */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2603 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2604 _PyObject_GC_UNTRACK(type);
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2605 PyObject_ClearWeakRefs((PyObject *)type);
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2606 et = (PyHeapTypeObject *)type;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2607 Py_XDECREF(type->tp_base);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2608 Py_XDECREF(type->tp_dict);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2609 Py_XDECREF(type->tp_bases);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2610 Py_XDECREF(type->tp_mro);
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
2611 Py_XDECREF(type->tp_cache);
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2612 Py_XDECREF(type->tp_subclasses);
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
2613 /* A type's tp_doc is heap allocated, unlike the tp_doc slots
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
2614 * of most other objects. It's okay to cast it to char *.
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
2615 */
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35742
diff changeset
2616 PyObject_Free((char *)type->tp_doc);
36631
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
Georg Brandl <georg@python.org>
parents: 36519
diff changeset
2617 Py_XDECREF(et->ht_name);
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
Georg Brandl <georg@python.org>
parents: 36519
diff changeset
2618 Py_XDECREF(et->ht_slots);
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
2619 Py_TYPE(type)->tp_free((PyObject *)type);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2620 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2621
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2622 static PyObject *
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2623 type_subclasses(PyTypeObject *type, PyObject *args_ignored)
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2624 {
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2625 PyObject *list, *raw, *ref;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
2626 Py_ssize_t i, n;
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2627
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2628 list = PyList_New(0);
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2629 if (list == NULL)
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2630 return NULL;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2631 raw = type->tp_subclasses;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2632 if (raw == NULL)
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2633 return list;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2634 assert(PyList_Check(raw));
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2635 n = PyList_GET_SIZE(raw);
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2636 for (i = 0; i < n; i++) {
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2637 ref = PyList_GET_ITEM(raw, i);
20320
f29b8ea0b695 type_subclasses(): debug build was broken due to typo in new assert().
Tim Peters <tim.peters@gmail.com>
parents: 20315
diff changeset
2638 assert(PyWeakref_CheckRef(ref));
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2639 ref = PyWeakref_GET_OBJECT(ref);
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2640 if (ref != Py_None) {
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2641 if (PyList_Append(list, ref) < 0) {
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2642 Py_DECREF(list);
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2643 return NULL;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2644 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2645 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2646 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2647 return list;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2648 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2649
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2650 static PyMethodDef type_methods[] = {
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19300
diff changeset
2651 {"mro", (PyCFunction)mro_external, METH_NOARGS,
24795
452d6a916196 Allow more docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24789
diff changeset
2652 PyDoc_STR("mro() -> list\nreturn a type's method resolution order")},
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2653 {"__subclasses__", (PyCFunction)type_subclasses, METH_NOARGS,
24795
452d6a916196 Allow more docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24789
diff changeset
2654 PyDoc_STR("__subclasses__() -> list of immediate subclasses")},
54118
ae006386ec39 properly lookup __instancecheck__ and __subclasscheck__
Benjamin Peterson <benjamin@python.org>
parents: 53949
diff changeset
2655 {"__instancecheck__", type___instancecheck__, METH_O,
ae006386ec39 properly lookup __instancecheck__ and __subclasscheck__
Benjamin Peterson <benjamin@python.org>
parents: 53949
diff changeset
2656 PyDoc_STR("__instancecheck__() -> check if an object is an instance")},
ae006386ec39 properly lookup __instancecheck__ and __subclasscheck__
Benjamin Peterson <benjamin@python.org>
parents: 53949
diff changeset
2657 {"__subclasscheck__", type___subclasscheck__, METH_O,
ae006386ec39 properly lookup __instancecheck__ and __subclasscheck__
Benjamin Peterson <benjamin@python.org>
parents: 53949
diff changeset
2658 PyDoc_STR("__subclasschck__ -> check if an class is a subclass")},
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2659 {0}
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2660 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2661
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23830
diff changeset
2662 PyDoc_STRVAR(type_doc,
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2663 "type(object) -> the object's type\n"
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23830
diff changeset
2664 "type(name, bases, dict) -> a new type");
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2665
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2666 static int
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2667 type_traverse(PyTypeObject *type, visitproc visit, void *arg)
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2668 {
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2669 /* Because of type_is_gc(), the collector only calls this
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2670 for heaptypes. */
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2671 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2672
37756
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37748
diff changeset
2673 Py_VISIT(type->tp_dict);
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37748
diff changeset
2674 Py_VISIT(type->tp_cache);
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37748
diff changeset
2675 Py_VISIT(type->tp_mro);
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37748
diff changeset
2676 Py_VISIT(type->tp_bases);
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37748
diff changeset
2677 Py_VISIT(type->tp_base);
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2678
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2679 /* There's no need to visit type->tp_subclasses or
36631
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
Georg Brandl <georg@python.org>
parents: 36519
diff changeset
2680 ((PyHeapTypeObject *)type)->ht_slots, because they can't be involved
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2681 in cycles; tp_subclasses is a list of weak references,
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2682 and slots is a tuple of strings. */
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2683
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2684 return 0;
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2685 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2686
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2687 static int
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2688 type_clear(PyTypeObject *type)
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2689 {
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2690 /* Because of type_is_gc(), the collector only calls this
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2691 for heaptypes. */
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2692 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2693
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2694 /* The only field we need to clear is tp_mro, which is part of a
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2695 hard cycle (its first element is the class itself) that won't
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2696 be broken otherwise (it's a tuple and tuples don't have a
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2697 tp_clear handler). None of the other fields need to be
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2698 cleared, and here's why:
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2699
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2700 tp_dict:
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2701 It is a dict, so the collector will call its tp_clear.
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2702
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2703 tp_cache:
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2704 Not used; if it were, it would be a dict.
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2705
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2706 tp_bases, tp_base:
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2707 If these are involved in a cycle, there must be at least
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2708 one other, mutable object in the cycle, e.g. a base
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2709 class's dict; the cycle will be broken that way.
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2710
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2711 tp_subclasses:
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2712 A list of weak references can't be part of a cycle; and
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2713 lists have their own tp_clear.
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2714
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2715 slots (in PyHeapTypeObject):
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2716 A tuple of strings can't be part of a cycle.
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2717 */
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2718
37748
d1547426ab61 Use Py_CLEAR instead of in-place DECREF/XDECREF or custom macros, for
Thomas Wouters <thomas@python.org>
parents: 37603
diff changeset
2719 Py_CLEAR(type->tp_mro);
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2720
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2721 return 0;
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2722 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2723
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2724 static int
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2725 type_is_gc(PyTypeObject *type)
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2726 {
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2727 return type->tp_flags & Py_TPFLAGS_HEAPTYPE;
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2728 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2729
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
2730 PyTypeObject PyType_Type = {
42333
6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping
Martin v. Löwis <martin@v.loewis.de>
parents: 41816
diff changeset
2731 PyVarObject_HEAD_INIT(&PyType_Type, 0)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2732 "type", /* tp_name */
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2733 sizeof(PyHeapTypeObject), /* tp_basicsize */
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
2734 sizeof(PyMemberDef), /* tp_itemsize */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2735 (destructor)type_dealloc, /* tp_dealloc */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2736 0, /* tp_print */
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
2737 0, /* tp_getattr */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2738 0, /* tp_setattr */
57748
c2e4cfbb398c remove type_compare, since type_richcompare does the same trick
Benjamin Peterson <benjamin@python.org>
parents: 57692
diff changeset
2739 0, /* tp_compare */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2740 (reprfunc)type_repr, /* tp_repr */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2741 0, /* tp_as_number */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2742 0, /* tp_as_sequence */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2743 0, /* tp_as_mapping */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2744 (hashfunc)_Py_HashPointer, /* tp_hash */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2745 (ternaryfunc)type_call, /* tp_call */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2746 0, /* tp_str */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2747 (getattrofunc)type_getattro, /* tp_getattro */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2748 (setattrofunc)type_setattro, /* tp_setattro */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2749 0, /* tp_as_buffer */
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2750 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
40908
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
2751 Py_TPFLAGS_BASETYPE | Py_TPFLAGS_TYPE_SUBCLASS, /* tp_flags */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2752 type_doc, /* tp_doc */
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2753 (traverseproc)type_traverse, /* tp_traverse */
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2754 (inquiry)type_clear, /* tp_clear */
45860
50771a3fad2c Add py3k warnings for object, type, cell and dict comparisons. This should resolve issue2342 and partly resolve issue2373.
Steven Bethard <steven.bethard@gmail.com>
parents: 45543
diff changeset
2755 type_richcompare, /* tp_richcompare */
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2756 offsetof(PyTypeObject, tp_weaklist), /* tp_weaklistoffset */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2757 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2758 0, /* tp_iternext */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2759 type_methods, /* tp_methods */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2760 type_members, /* tp_members */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2761 type_getsets, /* tp_getset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2762 0, /* tp_base */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2763 0, /* tp_dict */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2764 0, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2765 0, /* tp_descr_set */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2766 offsetof(PyTypeObject, tp_dict), /* tp_dictoffset */
41287
12c70558074e Add a type.__init__() method that enforces the same signature as
Guido van Rossum <guido@python.org>
parents: 41281
diff changeset
2767 type_init, /* tp_init */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2768 0, /* tp_alloc */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2769 type_new, /* tp_new */
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
2770 PyObject_GC_Del, /* tp_free */
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2771 (inquiry)type_is_gc, /* tp_is_gc */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2772 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2773
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2774
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2775 /* The base type of all types (eventually)... except itself. */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2776
41281
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2777 /* You may wonder why object.__new__() only complains about arguments
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2778 when object.__init__() is not overridden, and vice versa.
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2779
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2780 Consider the use cases:
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2781
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2782 1. When neither is overridden, we want to hear complaints about
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2783 excess (i.e., any) arguments, since their presence could
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2784 indicate there's a bug.
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2785
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2786 2. When defining an Immutable type, we are likely to override only
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2787 __new__(), since __init__() is called too late to initialize an
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2788 Immutable object. Since __new__() defines the signature for the
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2789 type, it would be a pain to have to override __init__() just to
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2790 stop it from complaining about excess arguments.
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2791
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2792 3. When defining a Mutable type, we are likely to override only
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2793 __init__(). So here the converse reasoning applies: we don't
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2794 want to have to override __new__() just to stop it from
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2795 complaining.
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2796
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2797 4. When __init__() is overridden, and the subclass __init__() calls
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2798 object.__init__(), the latter should complain about excess
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2799 arguments; ditto for __new__().
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2800
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2801 Use cases 2 and 3 make it unattractive to unconditionally check for
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2802 excess arguments. The best solution that addresses all four use
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2803 cases is as follows: __init__() complains about excess arguments
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2804 unless __new__() is overridden and __init__() is not overridden
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2805 (IOW, if __init__() is overridden or __new__() is not overridden);
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2806 symmetrically, __new__() complains about excess arguments unless
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2807 __init__() is overridden and __new__() is not overridden
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2808 (IOW, if __new__() is overridden or __init__() is not overridden).
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2809
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2810 However, for backwards compatibility, this breaks too much code.
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2811 Therefore, in 2.6, we'll *warn* about excess arguments when both
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2812 methods are overridden; for all other cases we'll use the above
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2813 rules.
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2814
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2815 */
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2816
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2817 /* Forward */
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2818 static PyObject *
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2819 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds);
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2820
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2821 static int
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2822 excess_args(PyObject *args, PyObject *kwds)
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2823 {
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2824 return PyTuple_GET_SIZE(args) ||
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2825 (kwds && PyDict_Check(kwds) && PyDict_Size(kwds));
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2826 }
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2827
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2828 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2829 object_init(PyObject *self, PyObject *args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2830 {
41281
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2831 int err = 0;
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2832 if (excess_args(args, kwds)) {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
2833 PyTypeObject *type = Py_TYPE(self);
41281
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2834 if (type->tp_init != object_init &&
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2835 type->tp_new != object_new)
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2836 {
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2837 err = PyErr_WarnEx(PyExc_DeprecationWarning,
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2838 "object.__init__() takes no parameters",
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2839 1);
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2840 }
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2841 else if (type->tp_init != object_init ||
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2842 type->tp_new == object_new)
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2843 {
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2844 PyErr_SetString(PyExc_TypeError,
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2845 "object.__init__() takes no parameters");
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2846 err = -1;
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2847 }
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2848 }
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2849 return err;
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2850 }
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2851
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2852 static PyObject *
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2853 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2854 {
41281
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2855 int err = 0;
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2856 if (excess_args(args, kwds)) {
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2857 if (type->tp_new != object_new &&
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2858 type->tp_init != object_init)
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2859 {
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2860 err = PyErr_WarnEx(PyExc_DeprecationWarning,
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2861 "object.__new__() takes no parameters",
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2862 1);
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2863 }
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2864 else if (type->tp_new != object_new ||
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2865 type->tp_init == object_init)
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2866 {
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2867 PyErr_SetString(PyExc_TypeError,
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2868 "object.__new__() takes no parameters");
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2869 err = -1;
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2870 }
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2871 }
8debce2c4fb1 - Bug #1683368: The object.__init__() and object.__new__() methods are
Guido van Rossum <guido@python.org>
parents: 41212
diff changeset
2872 if (err < 0)
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2873 return NULL;
45543
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2874
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2875 if (type->tp_flags & Py_TPFLAGS_IS_ABSTRACT) {
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2876 static PyObject *comma = NULL;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2877 PyObject *abstract_methods = NULL;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2878 PyObject *builtins;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2879 PyObject *sorted;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2880 PyObject *sorted_methods = NULL;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2881 PyObject *joined = NULL;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2882 const char *joined_str;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2883
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2884 /* Compute ", ".join(sorted(type.__abstractmethods__))
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2885 into joined. */
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2886 abstract_methods = type_abstractmethods(type, NULL);
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2887 if (abstract_methods == NULL)
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2888 goto error;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2889 builtins = PyEval_GetBuiltins();
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2890 if (builtins == NULL)
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2891 goto error;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2892 sorted = PyDict_GetItemString(builtins, "sorted");
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2893 if (sorted == NULL)
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2894 goto error;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2895 sorted_methods = PyObject_CallFunctionObjArgs(sorted,
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2896 abstract_methods,
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2897 NULL);
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2898 if (sorted_methods == NULL)
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2899 goto error;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2900 if (comma == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2901 comma = PyString_InternFromString(", ");
45543
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2902 if (comma == NULL)
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2903 goto error;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2904 }
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2905 joined = PyObject_CallMethod(comma, "join",
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2906 "O", sorted_methods);
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2907 if (joined == NULL)
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2908 goto error;
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2909 joined_str = PyString_AsString(joined);
45543
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2910 if (joined_str == NULL)
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2911 goto error;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2912
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2913 PyErr_Format(PyExc_TypeError,
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2914 "Can't instantiate abstract class %s "
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2915 "with abstract methods %s",
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2916 type->tp_name,
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2917 joined_str);
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2918 error:
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2919 Py_XDECREF(joined);
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2920 Py_XDECREF(sorted_methods);
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2921 Py_XDECREF(abstract_methods);
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2922 return NULL;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
2923 }
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2924 return type->tp_alloc(type, 0);
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2925 }
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2926
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2927 static void
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2928 object_dealloc(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2929 {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
2930 Py_TYPE(self)->tp_free(self);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2931 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2932
19194
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2933 static PyObject *
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2934 object_repr(PyObject *self)
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2935 {
19316
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2936 PyTypeObject *type;
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
2937 PyObject *mod, *name, *rtn;
19194
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2938
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
2939 type = Py_TYPE(self);
19316
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2940 mod = type_module(type, NULL);
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2941 if (mod == NULL)
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2942 PyErr_Clear();
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2943 else if (!PyString_Check(mod)) {
19316
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2944 Py_DECREF(mod);
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2945 mod = NULL;
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2946 }
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2947 name = type_name(type, NULL);
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2948 if (name == NULL)
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2949 return NULL;
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2950 if (mod != NULL && strcmp(PyString_AS_STRING(mod), "__builtin__"))
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2951 rtn = PyString_FromFormat("<%s.%s object at %p>",
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2952 PyString_AS_STRING(mod),
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2953 PyString_AS_STRING(name),
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
2954 self);
19316
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2955 else
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
2956 rtn = PyString_FromFormat("<%s object at %p>",
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
2957 type->tp_name, self);
19316
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2958 Py_XDECREF(mod);
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2959 Py_DECREF(name);
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
2960 return rtn;
19194
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2961 }
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2962
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2963 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2964 object_str(PyObject *self)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2965 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2966 unaryfunc f;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2967
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
2968 f = Py_TYPE(self)->tp_repr;
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2969 if (f == NULL)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2970 f = object_repr;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2971 return f(self);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2972 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2973
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2974 static PyObject *
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2975 object_get_class(PyObject *self, void *closure)
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2976 {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
2977 Py_INCREF(Py_TYPE(self));
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
2978 return (PyObject *)(Py_TYPE(self));
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2979 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2980
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2981 static int
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2982 equiv_structs(PyTypeObject *a, PyTypeObject *b)
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2983 {
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2984 return a == b ||
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2985 (a != NULL &&
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2986 b != NULL &&
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2987 a->tp_basicsize == b->tp_basicsize &&
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2988 a->tp_itemsize == b->tp_itemsize &&
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2989 a->tp_dictoffset == b->tp_dictoffset &&
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2990 a->tp_weaklistoffset == b->tp_weaklistoffset &&
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2991 ((a->tp_flags & Py_TPFLAGS_HAVE_GC) ==
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2992 (b->tp_flags & Py_TPFLAGS_HAVE_GC)));
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2993 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2994
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2995 static int
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2996 same_slots_added(PyTypeObject *a, PyTypeObject *b)
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2997 {
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2998 PyTypeObject *base = a->tp_base;
36519
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
2999 Py_ssize_t size;
41212
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
3000 PyObject *slots_a, *slots_b;
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3001
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3002 if (base != b->tp_base)
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3003 return 0;
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3004 if (equiv_structs(a, base) && equiv_structs(b, base))
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3005 return 1;
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3006 size = base->tp_basicsize;
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3007 if (a->tp_dictoffset == size && b->tp_dictoffset == size)
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3008 size += sizeof(PyObject *);
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3009 if (a->tp_weaklistoffset == size && b->tp_weaklistoffset == size)
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3010 size += sizeof(PyObject *);
41212
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
3011
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
3012 /* Check slots compliance */
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
3013 slots_a = ((PyHeapTypeObject *)a)->ht_slots;
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
3014 slots_b = ((PyHeapTypeObject *)b)->ht_slots;
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
3015 if (slots_a && slots_b) {
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
3016 if (PyObject_Compare(slots_a, slots_b) != 0)
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
3017 return 0;
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
3018 size += sizeof(PyObject *) * PyTuple_GET_SIZE(slots_a);
c57cd546612d Patch #1623563: allow __class__ assignment for classes with __slots__.
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41201
diff changeset
3019 }
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3020 return size == a->tp_basicsize && size == b->tp_basicsize;
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3021 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3022
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3023 static int
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
3024 compatible_for_assignment(PyTypeObject* oldto, PyTypeObject* newto, char* attr)
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3025 {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3026 PyTypeObject *newbase, *oldbase;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3027
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
3028 if (newto->tp_dealloc != oldto->tp_dealloc ||
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
3029 newto->tp_free != oldto->tp_free)
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3030 {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3031 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3032 "%s assignment: "
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3033 "'%s' deallocator differs from '%s'",
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3034 attr,
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
3035 newto->tp_name,
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
3036 oldto->tp_name);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3037 return 0;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3038 }
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
3039 newbase = newto;
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
3040 oldbase = oldto;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3041 while (equiv_structs(newbase, newbase->tp_base))
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3042 newbase = newbase->tp_base;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3043 while (equiv_structs(oldbase, oldbase->tp_base))
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3044 oldbase = oldbase->tp_base;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3045 if (newbase != oldbase &&
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3046 (newbase->tp_base != oldbase->tp_base ||
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3047 !same_slots_added(newbase, oldbase))) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3048 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3049 "%s assignment: "
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3050 "'%s' object layout differs from '%s'",
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3051 attr,
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
3052 newto->tp_name,
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
3053 oldto->tp_name);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3054 return 0;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3055 }
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
3056
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3057 return 1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3058 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3059
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3060 static int
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3061 object_set_class(PyObject *self, PyObject *value, void *closure)
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3062 {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
3063 PyTypeObject *oldto = Py_TYPE(self);
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
3064 PyTypeObject *newto;
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3065
23037
89db9e3f35a7 SF bug #541883 (Vincent Fiack).
Guido van Rossum <guido@python.org>
parents: 22980
diff changeset
3066 if (value == NULL) {
89db9e3f35a7 SF bug #541883 (Vincent Fiack).
Guido van Rossum <guido@python.org>
parents: 22980
diff changeset
3067 PyErr_SetString(PyExc_TypeError,
89db9e3f35a7 SF bug #541883 (Vincent Fiack).
Guido van Rossum <guido@python.org>
parents: 22980
diff changeset
3068 "can't delete __class__ attribute");
89db9e3f35a7 SF bug #541883 (Vincent Fiack).
Guido van Rossum <guido@python.org>
parents: 22980
diff changeset
3069 return -1;
89db9e3f35a7 SF bug #541883 (Vincent Fiack).
Guido van Rossum <guido@python.org>
parents: 22980
diff changeset
3070 }
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3071 if (!PyType_Check(value)) {
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3072 PyErr_Format(PyExc_TypeError,
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3073 "__class__ must be set to new-style class, not '%s' object",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
3074 Py_TYPE(value)->tp_name);
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3075 return -1;
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3076 }
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
3077 newto = (PyTypeObject *)value;
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
3078 if (!(newto->tp_flags & Py_TPFLAGS_HEAPTYPE) ||
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
3079 !(oldto->tp_flags & Py_TPFLAGS_HEAPTYPE))
24728
3b8a707b41c4 Disallow class assignment completely unless both old and new are heap
Guido van Rossum <guido@python.org>
parents: 24685
diff changeset
3080 {
3b8a707b41c4 Disallow class assignment completely unless both old and new are heap
Guido van Rossum <guido@python.org>
parents: 24685
diff changeset
3081 PyErr_Format(PyExc_TypeError,
3b8a707b41c4 Disallow class assignment completely unless both old and new are heap
Guido van Rossum <guido@python.org>
parents: 24685
diff changeset
3082 "__class__ assignment: only for heap types");
3b8a707b41c4 Disallow class assignment completely unless both old and new are heap
Guido van Rossum <guido@python.org>
parents: 24685
diff changeset
3083 return -1;
3b8a707b41c4 Disallow class assignment completely unless both old and new are heap
Guido van Rossum <guido@python.org>
parents: 24685
diff changeset
3084 }
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
3085 if (compatible_for_assignment(newto, oldto, "__class__")) {
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
3086 Py_INCREF(newto);
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
3087 Py_TYPE(self) = newto;
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
3088 Py_DECREF(oldto);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3089 return 0;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3090 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3091 else {
23541
f6ded6efabcf Add a safeguard against setting the class to something with a
Guido van Rossum <guido@python.org>
parents: 23127
diff changeset
3092 return -1;
f6ded6efabcf Add a safeguard against setting the class to something with a
Guido van Rossum <guido@python.org>
parents: 23127
diff changeset
3093 }
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3094 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3095
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3096 static PyGetSetDef object_getsets[] = {
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3097 {"__class__", object_get_class, object_set_class,
24785
4de9ac0e4173 Allow docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24762
diff changeset
3098 PyDoc_STR("the object's class")},
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3099 {0}
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3100 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3101
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3102
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3103 /* Stuff to implement __reduce_ex__ for pickle protocols >= 2.
47189
f419b2e96a98 Revert copy_reg -> copyreg rename.
Georg Brandl <georg@python.org>
parents: 47108
diff changeset
3104 We fall back to helpers in copy_reg for:
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3105 - pickle protocols < 2
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3106 - calculating the list of slot names (done only once per class)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3107 - the __newobj__ function (which is used as a token but never called)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3108 */
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3109
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3110 static PyObject *
46865
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3111 import_copyreg(void)
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3112 {
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3113 static PyObject *copyreg_str;
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3114
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3115 if (!copyreg_str) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
3116 copyreg_str = PyString_InternFromString("copy_reg");
46865
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3117 if (copyreg_str == NULL)
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3118 return NULL;
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3119 }
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3120
46865
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3121 return PyImport_Import(copyreg_str);
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3122 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3123
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3124 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3125 slotnames(PyObject *cls)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3126 {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3127 PyObject *clsdict;
46865
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3128 PyObject *copyreg;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3129 PyObject *slotnames;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3130
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3131 if (!PyType_Check(cls)) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3132 Py_INCREF(Py_None);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3133 return Py_None;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3134 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3135
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3136 clsdict = ((PyTypeObject *)cls)->tp_dict;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3137 slotnames = PyDict_GetItemString(clsdict, "__slotnames__");
35637
7dd4e6cb9d27 (pedronis, arigo)
Armin Rigo <arigo@tunes.org>
parents: 35610
diff changeset
3138 if (slotnames != NULL && PyList_Check(slotnames)) {
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3139 Py_INCREF(slotnames);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3140 return slotnames;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3141 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3142
46865
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3143 copyreg = import_copyreg();
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3144 if (copyreg == NULL)
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3145 return NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3146
46865
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3147 slotnames = PyObject_CallMethod(copyreg, "_slotnames", "O", cls);
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3148 Py_DECREF(copyreg);
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3149 if (slotnames != NULL &&
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3150 slotnames != Py_None &&
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3151 !PyList_Check(slotnames))
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3152 {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3153 PyErr_SetString(PyExc_TypeError,
47189
f419b2e96a98 Revert copy_reg -> copyreg rename.
Georg Brandl <georg@python.org>
parents: 47108
diff changeset
3154 "copy_reg._slotnames didn't return a list or None");
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3155 Py_DECREF(slotnames);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3156 slotnames = NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3157 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3158
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3159 return slotnames;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3160 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3161
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3162 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3163 reduce_2(PyObject *obj)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3164 {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3165 PyObject *cls, *getnewargs;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3166 PyObject *args = NULL, *args2 = NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3167 PyObject *getstate = NULL, *state = NULL, *names = NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3168 PyObject *slots = NULL, *listitems = NULL, *dictitems = NULL;
46865
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3169 PyObject *copyreg = NULL, *newobj = NULL, *res = NULL;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
3170 Py_ssize_t i, n;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3171
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3172 cls = PyObject_GetAttrString(obj, "__class__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3173 if (cls == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3174 return NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3175
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3176 getnewargs = PyObject_GetAttrString(obj, "__getnewargs__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3177 if (getnewargs != NULL) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3178 args = PyObject_CallObject(getnewargs, NULL);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3179 Py_DECREF(getnewargs);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3180 if (args != NULL && !PyTuple_Check(args)) {
38871
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38314
diff changeset
3181 PyErr_Format(PyExc_TypeError,
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38314
diff changeset
3182 "__getnewargs__ should return a tuple, "
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
3183 "not '%.200s'", Py_TYPE(args)->tp_name);
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3184 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3185 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3186 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3187 else {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3188 PyErr_Clear();
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3189 args = PyTuple_New(0);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3190 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3191 if (args == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3192 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3193
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3194 getstate = PyObject_GetAttrString(obj, "__getstate__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3195 if (getstate != NULL) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3196 state = PyObject_CallObject(getstate, NULL);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3197 Py_DECREF(getstate);
29382
585e303a9491 Fix SF #749831, copy raises SystemError when getstate raises exception
Neal Norwitz <nnorwitz@gmail.com>
parents: 29308
diff changeset
3198 if (state == NULL)
585e303a9491 Fix SF #749831, copy raises SystemError when getstate raises exception
Neal Norwitz <nnorwitz@gmail.com>
parents: 29308
diff changeset
3199 goto end;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3200 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3201 else {
31477
ba9aaddeb956 Fixed a bug in object.__reduce_ex__ (reduce_2) when using protocol
Jim Fulton <jim@zope.com>
parents: 31176
diff changeset
3202 PyErr_Clear();
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3203 state = PyObject_GetAttrString(obj, "__dict__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3204 if (state == NULL) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3205 PyErr_Clear();
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3206 state = Py_None;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3207 Py_INCREF(state);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3208 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3209 names = slotnames(cls);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3210 if (names == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3211 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3212 if (names != Py_None) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3213 assert(PyList_Check(names));
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3214 slots = PyDict_New();
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3215 if (slots == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3216 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3217 n = 0;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3218 /* Can't pre-compute the list size; the list
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3219 is stored on the class so accessible to other
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3220 threads, which may be run by DECREF */
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3221 for (i = 0; i < PyList_GET_SIZE(names); i++) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3222 PyObject *name, *value;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3223 name = PyList_GET_ITEM(names, i);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3224 value = PyObject_GetAttr(obj, name);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3225 if (value == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3226 PyErr_Clear();
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3227 else {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3228 int err = PyDict_SetItem(slots, name,
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3229 value);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3230 Py_DECREF(value);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3231 if (err)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3232 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3233 n++;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3234 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3235 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3236 if (n) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3237 state = Py_BuildValue("(NO)", state, slots);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3238 if (state == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3239 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3240 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3241 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3242 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3243
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3244 if (!PyList_Check(obj)) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3245 listitems = Py_None;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3246 Py_INCREF(listitems);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3247 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3248 else {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3249 listitems = PyObject_GetIter(obj);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3250 if (listitems == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3251 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3252 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3253
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3254 if (!PyDict_Check(obj)) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3255 dictitems = Py_None;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3256 Py_INCREF(dictitems);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3257 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3258 else {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3259 dictitems = PyObject_CallMethod(obj, "iteritems", "");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3260 if (dictitems == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3261 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3262 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3263
46865
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3264 copyreg = import_copyreg();
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3265 if (copyreg == NULL)
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3266 goto end;
46865
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3267 newobj = PyObject_GetAttrString(copyreg, "__newobj__");
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3268 if (newobj == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3269 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3270
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3271 n = PyTuple_GET_SIZE(args);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3272 args2 = PyTuple_New(n+1);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3273 if (args2 == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3274 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3275 PyTuple_SET_ITEM(args2, 0, cls);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3276 cls = NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3277 for (i = 0; i < n; i++) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3278 PyObject *v = PyTuple_GET_ITEM(args, i);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3279 Py_INCREF(v);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3280 PyTuple_SET_ITEM(args2, i+1, v);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3281 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3282
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
3283 res = PyTuple_Pack(5, newobj, args2, state, listitems, dictitems);
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3284
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3285 end:
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3286 Py_XDECREF(cls);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3287 Py_XDECREF(args);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3288 Py_XDECREF(args2);
28566
9ddc498b7013 Missing DECREF.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 28514
diff changeset
3289 Py_XDECREF(slots);
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3290 Py_XDECREF(state);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3291 Py_XDECREF(names);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3292 Py_XDECREF(listitems);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3293 Py_XDECREF(dictitems);
46865
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3294 Py_XDECREF(copyreg);
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3295 Py_XDECREF(newobj);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3296 return res;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3297 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3298
41201
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3299 /*
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3300 * There were two problems when object.__reduce__ and object.__reduce_ex__
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3301 * were implemented in the same function:
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3302 * - trying to pickle an object with a custom __reduce__ method that
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3303 * fell back to object.__reduce__ in certain circumstances led to
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3304 * infinite recursion at Python level and eventual RuntimeError.
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3305 * - Pickling objects that lied about their type by overwriting the
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3306 * __class__ descriptor could lead to infinite recursion at C level
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3307 * and eventual segfault.
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3308 *
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3309 * Because of backwards compatibility, the two methods still have to
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3310 * behave in the same way, even if this is not required by the pickle
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3311 * protocol. This common functionality was moved to the _common_reduce
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3312 * function.
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3313 */
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3314 static PyObject *
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3315 _common_reduce(PyObject *self, int proto)
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3316 {
46865
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3317 PyObject *copyreg, *res;
41201
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3318
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3319 if (proto >= 2)
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3320 return reduce_2(self);
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3321
46865
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3322 copyreg = import_copyreg();
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3323 if (!copyreg)
41201
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3324 return NULL;
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3325
46865
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3326 res = PyEval_CallMethod(copyreg, "_reduce_ex", "(Oi)", self, proto);
b40827eb4b80 Added module stub for copy_reg renaming in 3.0.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46573
diff changeset
3327 Py_DECREF(copyreg);
41201
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3328
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3329 return res;
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3330 }
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3331
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3332 static PyObject *
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3333 object_reduce(PyObject *self, PyObject *args)
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3334 {
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3335 int proto = 0;
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3336
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3337 if (!PyArg_ParseTuple(args, "|i:__reduce__", &proto))
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3338 return NULL;
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3339
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3340 return _common_reduce(self, proto);
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3341 }
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3342
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3343 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3344 object_reduce_ex(PyObject *self, PyObject *args)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3345 {
41201
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3346 PyObject *reduce, *res;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3347 int proto = 0;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3348
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3349 if (!PyArg_ParseTuple(args, "|i:__reduce_ex__", &proto))
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3350 return NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3351
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3352 reduce = PyObject_GetAttrString(self, "__reduce__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3353 if (reduce == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3354 PyErr_Clear();
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3355 else {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3356 PyObject *cls, *clsreduce, *objreduce;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3357 int override;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3358 cls = PyObject_GetAttrString(self, "__class__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3359 if (cls == NULL) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3360 Py_DECREF(reduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3361 return NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3362 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3363 clsreduce = PyObject_GetAttrString(cls, "__reduce__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3364 Py_DECREF(cls);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3365 if (clsreduce == NULL) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3366 Py_DECREF(reduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3367 return NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3368 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3369 objreduce = PyDict_GetItemString(PyBaseObject_Type.tp_dict,
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3370 "__reduce__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3371 override = (clsreduce != objreduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3372 Py_DECREF(clsreduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3373 if (override) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3374 res = PyObject_CallObject(reduce, NULL);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3375 Py_DECREF(reduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3376 return res;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3377 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3378 else
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3379 Py_DECREF(reduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3380 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3381
41201
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3382 return _common_reduce(self, proto);
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3383 }
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3384
45543
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3385 static PyObject *
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3386 object_subclasshook(PyObject *cls, PyObject *args)
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3387 {
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3388 Py_INCREF(Py_NotImplemented);
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3389 return Py_NotImplemented;
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3390 }
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3391
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3392 PyDoc_STRVAR(object_subclasshook_doc,
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3393 "Abstract classes can override this to customize issubclass().\n"
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3394 "\n"
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3395 "This is invoked early on by abc.ABCMeta.__subclasscheck__().\n"
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3396 "It should return True, False or NotImplemented. If it returns\n"
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3397 "NotImplemented, the normal algorithm is used. Otherwise, it\n"
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3398 "overrides the normal algorithm (and the outcome is cached).\n");
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3399
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3400 /*
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3401 from PEP 3101, this code implements:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3402
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3403 class object:
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3404 def __format__(self, format_spec):
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3405 if isinstance(format_spec, str):
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3406 return format(str(self), format_spec)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3407 elif isinstance(format_spec, unicode):
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3408 return format(unicode(self), format_spec)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3409 */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3410 static PyObject *
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3411 object_format(PyObject *self, PyObject *args)
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3412 {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3413 PyObject *format_spec;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3414 PyObject *self_as_str = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3415 PyObject *result = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3416 PyObject *format_meth = NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3417
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3418 if (!PyArg_ParseTuple(args, "O:__format__", &format_spec))
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3419 return NULL;
51032
551257c8058a fix building the core with --disable-unicode
Benjamin Peterson <benjamin@python.org>
parents: 50828
diff changeset
3420 #ifdef Py_USING_UNICODE
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3421 if (PyUnicode_Check(format_spec)) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3422 self_as_str = PyObject_Unicode(self);
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
3423 } else if (PyString_Check(format_spec)) {
51032
551257c8058a fix building the core with --disable-unicode
Benjamin Peterson <benjamin@python.org>
parents: 50828
diff changeset
3424 #else
551257c8058a fix building the core with --disable-unicode
Benjamin Peterson <benjamin@python.org>
parents: 50828
diff changeset
3425 if (PyString_Check(format_spec)) {
551257c8058a fix building the core with --disable-unicode
Benjamin Peterson <benjamin@python.org>
parents: 50828
diff changeset
3426 #endif
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3427 self_as_str = PyObject_Str(self);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3428 } else {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3429 PyErr_SetString(PyExc_TypeError, "argument to __format__ must be unicode or str");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3430 return NULL;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3431 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3432
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3433 if (self_as_str != NULL) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3434 /* find the format function */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3435 format_meth = PyObject_GetAttrString(self_as_str, "__format__");
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3436 if (format_meth != NULL) {
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3437 /* and call it */
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3438 result = PyObject_CallFunctionObjArgs(format_meth, format_spec, NULL);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3439 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3440 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3441
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3442 Py_XDECREF(self_as_str);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3443 Py_XDECREF(format_meth);
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3444
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3445 return result;
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3446 }
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3447
47419
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47371
diff changeset
3448 static PyObject *
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47371
diff changeset
3449 object_sizeof(PyObject *self, PyObject *args)
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47371
diff changeset
3450 {
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47371
diff changeset
3451 Py_ssize_t res, isize;
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47371
diff changeset
3452
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47371
diff changeset
3453 res = 0;
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47371
diff changeset
3454 isize = self->ob_type->tp_itemsize;
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47371
diff changeset
3455 if (isize > 0)
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47371
diff changeset
3456 res = self->ob_type->ob_size * isize;
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47371
diff changeset
3457 res += self->ob_type->tp_basicsize;
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47371
diff changeset
3458
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47371
diff changeset
3459 return PyInt_FromSsize_t(res);
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47371
diff changeset
3460 }
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47371
diff changeset
3461
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3462 static PyMethodDef object_methods[] = {
27948
db1d4584a5e1 Introducing __reduce_ex__, which is called with a protocol number argument
Guido van Rossum <guido@python.org>
parents: 27943
diff changeset
3463 {"__reduce_ex__", object_reduce_ex, METH_VARARGS,
db1d4584a5e1 Introducing __reduce_ex__, which is called with a protocol number argument
Guido van Rossum <guido@python.org>
parents: 27943
diff changeset
3464 PyDoc_STR("helper for pickle")},
41201
4217f3850f0b Patch #1462488: prevent a segfault in object_reduce_ex() by splitting
Žiga Seilnacht <ziga.seilnacht@gmail.com>
parents: 41188
diff changeset
3465 {"__reduce__", object_reduce, METH_VARARGS,
24795
452d6a916196 Allow more docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24789
diff changeset
3466 PyDoc_STR("helper for pickle")},
45543
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3467 {"__subclasshook__", object_subclasshook, METH_CLASS | METH_VARARGS,
6592e5a90c2c Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT,
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 45381
diff changeset
3468 object_subclasshook_doc},
45381
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3469 {"__format__", object_format, METH_VARARGS,
b7231bf6bfb7 Backport of PEP 3101, Advanced String Formatting, from py3k.
Eric Smith <eric@trueblade.com>
parents: 45025
diff changeset
3470 PyDoc_STR("default object formatter")},
47419
88bd07c0a847 Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
Robert Schuppenies <okkotonushi@googlemail.com>
parents: 47371
diff changeset
3471 {"__sizeof__", object_sizeof, METH_NOARGS,
47421
a65f095b27f3 Some style nits. Also clarify in the docstrings what __sizeof__ does.
Georg Brandl <georg@python.org>
parents: 47419
diff changeset
3472 PyDoc_STR("__sizeof__() -> size of object in memory, in bytes")},
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3473 {0}
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3474 };
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3475
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3476
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3477 PyTypeObject PyBaseObject_Type = {
42333
6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping
Martin v. Löwis <martin@v.loewis.de>
parents: 41816
diff changeset
3478 PyVarObject_HEAD_INIT(&PyType_Type, 0)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3479 "object", /* tp_name */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3480 sizeof(PyObject), /* tp_basicsize */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3481 0, /* tp_itemsize */
37304
79a0f080f898 Remove unnecessary casts in type object initializers.
Georg Brandl <georg@python.org>
parents: 37067
diff changeset
3482 object_dealloc, /* tp_dealloc */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3483 0, /* tp_print */
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
3484 0, /* tp_getattr */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3485 0, /* tp_setattr */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3486 0, /* tp_compare */
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
3487 object_repr, /* tp_repr */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3488 0, /* tp_as_number */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3489 0, /* tp_as_sequence */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3490 0, /* tp_as_mapping */
43958
103b7f955036 Backport of _abccoll.py by Benjamin Arangueren, issue 1383.
Guido van Rossum <guido@python.org>
parents: 43276
diff changeset
3491 (hashfunc)_Py_HashPointer, /* tp_hash */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3492 0, /* tp_call */
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
3493 object_str, /* tp_str */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3494 PyObject_GenericGetAttr, /* tp_getattro */
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3495 PyObject_GenericSetAttr, /* tp_setattro */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3496 0, /* tp_as_buffer */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3497 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
24795
452d6a916196 Allow more docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24789
diff changeset
3498 PyDoc_STR("The most base type"), /* tp_doc */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3499 0, /* tp_traverse */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3500 0, /* tp_clear */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3501 0, /* tp_richcompare */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3502 0, /* tp_weaklistoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3503 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3504 0, /* tp_iternext */
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3505 object_methods, /* tp_methods */
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3506 0, /* tp_members */
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3507 object_getsets, /* tp_getset */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3508 0, /* tp_base */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3509 0, /* tp_dict */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3510 0, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3511 0, /* tp_descr_set */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3512 0, /* tp_dictoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3513 object_init, /* tp_init */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3514 PyType_GenericAlloc, /* tp_alloc */
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
3515 object_new, /* tp_new */
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
3516 PyObject_Del, /* tp_free */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3517 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3518
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3519
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3520 /* Initialize the __dict__ in a type object */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3521
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3522 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3523 add_methods(PyTypeObject *type, PyMethodDef *meth)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3524 {
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3525 PyObject *dict = type->tp_dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3526
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3527 for (; meth->ml_name != NULL; meth++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3528 PyObject *descr;
31172
e4fb6164158c * Added a new method flag, METH_COEXIST.
Raymond Hettinger <python@rcn.com>
parents: 30917
diff changeset
3529 if (PyDict_GetItemString(dict, meth->ml_name) &&
e4fb6164158c * Added a new method flag, METH_COEXIST.
Raymond Hettinger <python@rcn.com>
parents: 30917
diff changeset
3530 !(meth->ml_flags & METH_COEXIST))
e4fb6164158c * Added a new method flag, METH_COEXIST.
Raymond Hettinger <python@rcn.com>
parents: 30917
diff changeset
3531 continue;
22613
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3532 if (meth->ml_flags & METH_CLASS) {
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3533 if (meth->ml_flags & METH_STATIC) {
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3534 PyErr_SetString(PyExc_ValueError,
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3535 "method cannot be both class and static");
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3536 return -1;
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3537 }
26583
8991f78817c7 SF 548651: Fix the METH_CLASS implementation.
Tim Peters <tim.peters@gmail.com>
parents: 26575
diff changeset
3538 descr = PyDescr_NewClassMethod(type, meth);
22613
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3539 }
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3540 else if (meth->ml_flags & METH_STATIC) {
27814
48dc4a59a50e Inline create_specialmethod() -- since METH_CLASS is done differently
Guido van Rossum <guido@python.org>
parents: 27811
diff changeset
3541 PyObject *cfunc = PyCFunction_New(meth, NULL);
48dc4a59a50e Inline create_specialmethod() -- since METH_CLASS is done differently
Guido van Rossum <guido@python.org>
parents: 27811
diff changeset
3542 if (cfunc == NULL)
48dc4a59a50e Inline create_specialmethod() -- since METH_CLASS is done differently
Guido van Rossum <guido@python.org>
parents: 27811
diff changeset
3543 return -1;
48dc4a59a50e Inline create_specialmethod() -- since METH_CLASS is done differently
Guido van Rossum <guido@python.org>
parents: 27811
diff changeset
3544 descr = PyStaticMethod_New(cfunc);
48dc4a59a50e Inline create_specialmethod() -- since METH_CLASS is done differently
Guido van Rossum <guido@python.org>
parents: 27811
diff changeset
3545 Py_DECREF(cfunc);
22613
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3546 }
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3547 else {
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3548 descr = PyDescr_NewMethod(type, meth);
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3549 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3550 if (descr == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3551 return -1;
22613
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3552 if (PyDict_SetItemString(dict, meth->ml_name, descr) < 0)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3553 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3554 Py_DECREF(descr);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3555 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3556 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3557 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3558
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3559 static int
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
3560 add_members(PyTypeObject *type, PyMemberDef *memb)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3561 {
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3562 PyObject *dict = type->tp_dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3563
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3564 for (; memb->name != NULL; memb++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3565 PyObject *descr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3566 if (PyDict_GetItemString(dict, memb->name))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3567 continue;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3568 descr = PyDescr_NewMember(type, memb);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3569 if (descr == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3570 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3571 if (PyDict_SetItemString(dict, memb->name, descr) < 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3572 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3573 Py_DECREF(descr);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3574 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3575 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3576 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3577
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3578 static int
20015
ca7af2a5d915 Add optional docstrings to getset descriptors. Fortunately, there's
Guido van Rossum <guido@python.org>
parents: 20012
diff changeset
3579 add_getset(PyTypeObject *type, PyGetSetDef *gsp)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3580 {
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3581 PyObject *dict = type->tp_dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3582
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3583 for (; gsp->name != NULL; gsp++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3584 PyObject *descr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3585 if (PyDict_GetItemString(dict, gsp->name))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3586 continue;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3587 descr = PyDescr_NewGetSet(type, gsp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3588
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3589 if (descr == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3590 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3591 if (PyDict_SetItemString(dict, gsp->name, descr) < 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3592 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3593 Py_DECREF(descr);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3594 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3595 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3596 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3597
52749
75efd757434b Issue #2396: backport the memoryview object.
Antoine Pitrou <solipsis@pitrou.net>
parents: 52176
diff changeset
3598 #define BUFFER_FLAGS (Py_TPFLAGS_HAVE_GETCHARBUFFER | Py_TPFLAGS_HAVE_NEWBUFFER)
75efd757434b Issue #2396: backport the memoryview object.
Antoine Pitrou <solipsis@pitrou.net>
parents: 52176
diff changeset
3599
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3600 static void
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3601 inherit_special(PyTypeObject *type, PyTypeObject *base)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3602 {
36519
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
3603 Py_ssize_t oldsize, newsize;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3604
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3605 /* Special flag magic */
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3606 if (!type->tp_as_buffer && base->tp_as_buffer) {
52749
75efd757434b Issue #2396: backport the memoryview object.
Antoine Pitrou <solipsis@pitrou.net>
parents: 52176
diff changeset
3607 type->tp_flags &= ~BUFFER_FLAGS;
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3608 type->tp_flags |=
52749
75efd757434b Issue #2396: backport the memoryview object.
Antoine Pitrou <solipsis@pitrou.net>
parents: 52176
diff changeset
3609 base->tp_flags & BUFFER_FLAGS;
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3610 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3611 if (!type->tp_as_sequence && base->tp_as_sequence) {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3612 type->tp_flags &= ~Py_TPFLAGS_HAVE_SEQUENCE_IN;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3613 type->tp_flags |= base->tp_flags & Py_TPFLAGS_HAVE_SEQUENCE_IN;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3614 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3615 if ((type->tp_flags & Py_TPFLAGS_HAVE_INPLACEOPS) !=
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3616 (base->tp_flags & Py_TPFLAGS_HAVE_INPLACEOPS)) {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3617 if ((!type->tp_as_number && base->tp_as_number) ||
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3618 (!type->tp_as_sequence && base->tp_as_sequence)) {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3619 type->tp_flags &= ~Py_TPFLAGS_HAVE_INPLACEOPS;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3620 if (!type->tp_as_number && !type->tp_as_sequence) {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3621 type->tp_flags |= base->tp_flags &
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3622 Py_TPFLAGS_HAVE_INPLACEOPS;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3623 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3624 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3625 /* Wow */
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3626 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3627 if (!type->tp_as_number && base->tp_as_number) {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3628 type->tp_flags &= ~Py_TPFLAGS_CHECKTYPES;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3629 type->tp_flags |= base->tp_flags & Py_TPFLAGS_CHECKTYPES;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3630 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3631
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3632 /* Copying basicsize is connected to the GC flags */
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
3633 oldsize = base->tp_basicsize;
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
3634 newsize = type->tp_basicsize ? type->tp_basicsize : oldsize;
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
3635 if (!(type->tp_flags & Py_TPFLAGS_HAVE_GC) &&
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
3636 (base->tp_flags & Py_TPFLAGS_HAVE_GC) &&
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3637 (type->tp_flags & Py_TPFLAGS_HAVE_RICHCOMPARE/*GC slots exist*/) &&
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3638 (!type->tp_traverse && !type->tp_clear)) {
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
3639 type->tp_flags |= Py_TPFLAGS_HAVE_GC;
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3640 if (type->tp_traverse == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3641 type->tp_traverse = base->tp_traverse;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3642 if (type->tp_clear == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3643 type->tp_clear = base->tp_clear;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3644 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3645 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_CLASS) {
21451
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3646 /* The condition below could use some explanation.
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3647 It appears that tp_new is not inherited for static types
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3648 whose base class is 'object'; this seems to be a precaution
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3649 so that old extension types don't suddenly become
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3650 callable (object.__new__ wouldn't insure the invariants
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3651 that the extension type's own factory function ensures).
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3652 Heap types, of course, are under our control, so they do
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3653 inherit tp_new; static extension types that specify some
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3654 other built-in type as the default are considered
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3655 new-style-aware so they also inherit object.__new__. */
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3656 if (base != &PyBaseObject_Type ||
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3657 (type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3658 if (type->tp_new == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3659 type->tp_new = base->tp_new;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3660 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3661 }
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
3662 type->tp_basicsize = newsize;
19253
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3663
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3664 /* Copy other non-function slots */
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3665
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3666 #undef COPYVAL
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3667 #define COPYVAL(SLOT) \
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3668 if (type->SLOT == 0) type->SLOT = base->SLOT
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3669
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3670 COPYVAL(tp_itemsize);
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3671 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_WEAKREFS) {
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3672 COPYVAL(tp_weaklistoffset);
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3673 }
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3674 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_CLASS) {
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3675 COPYVAL(tp_dictoffset);
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3676 }
40908
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3677
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3678 /* Setup fast subclass flags */
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3679 if (PyType_IsSubtype(base, (PyTypeObject*)PyExc_BaseException))
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3680 type->tp_flags |= Py_TPFLAGS_BASE_EXC_SUBCLASS;
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3681 else if (PyType_IsSubtype(base, &PyType_Type))
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3682 type->tp_flags |= Py_TPFLAGS_TYPE_SUBCLASS;
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3683 else if (PyType_IsSubtype(base, &PyInt_Type))
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3684 type->tp_flags |= Py_TPFLAGS_INT_SUBCLASS;
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3685 else if (PyType_IsSubtype(base, &PyLong_Type))
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3686 type->tp_flags |= Py_TPFLAGS_LONG_SUBCLASS;
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
3687 else if (PyType_IsSubtype(base, &PyString_Type))
40908
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3688 type->tp_flags |= Py_TPFLAGS_STRING_SUBCLASS;
44572
db5e01c33eb7 Make Python compile with --disable-unicode.
Georg Brandl <georg@python.org>
parents: 44365
diff changeset
3689 #ifdef Py_USING_UNICODE
40908
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3690 else if (PyType_IsSubtype(base, &PyUnicode_Type))
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3691 type->tp_flags |= Py_TPFLAGS_UNICODE_SUBCLASS;
44572
db5e01c33eb7 Make Python compile with --disable-unicode.
Georg Brandl <georg@python.org>
parents: 44365
diff changeset
3692 #endif
40908
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3693 else if (PyType_IsSubtype(base, &PyTuple_Type))
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3694 type->tp_flags |= Py_TPFLAGS_TUPLE_SUBCLASS;
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3695 else if (PyType_IsSubtype(base, &PyList_Type))
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3696 type->tp_flags |= Py_TPFLAGS_LIST_SUBCLASS;
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3697 else if (PyType_IsSubtype(base, &PyDict_Type))
d01bd37bf5ce Variation of patch # 1624059 to speed up checking if an object is a subclass
Neal Norwitz <nnorwitz@gmail.com>
parents: 40777
diff changeset
3698 type->tp_flags |= Py_TPFLAGS_DICT_SUBCLASS;
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3699 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3700
48213
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3701 static int
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3702 overrides_name(PyTypeObject *type, char *name)
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3703 {
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3704 PyObject *dict = type->tp_dict;
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3705
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3706 assert(dict != NULL);
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3707 if (PyDict_GetItemString(dict, name) != NULL) {
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3708 return 1;
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3709 }
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3710 return 0;
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3711 }
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3712
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3713 #define OVERRIDES_HASH(x) overrides_name(x, "__hash__")
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3714 #define OVERRIDES_CMP(x) overrides_name(x, "__cmp__")
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3715 #define OVERRIDES_EQ(x) overrides_name(x, "__eq__")
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3716
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3717 static void
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3718 inherit_slots(PyTypeObject *type, PyTypeObject *base)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3719 {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3720 PyTypeObject *basebase;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3721
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3722 #undef SLOTDEFINED
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3723 #undef COPYSLOT
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3724 #undef COPYNUM
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3725 #undef COPYSEQ
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3726 #undef COPYMAP
20386
3c01c34d07f6 Now that COPYBUF is a new local macro, add #undef COPYBUF.
Guido van Rossum <guido@python.org>
parents: 20384
diff changeset
3727 #undef COPYBUF
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3728
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3729 #define SLOTDEFINED(SLOT) \
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3730 (base->SLOT != 0 && \
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3731 (basebase == NULL || base->SLOT != basebase->SLOT))
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3732
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3733 #define COPYSLOT(SLOT) \
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3734 if (!type->SLOT && SLOTDEFINED(SLOT)) type->SLOT = base->SLOT
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3735
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3736 #define COPYNUM(SLOT) COPYSLOT(tp_as_number->SLOT)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3737 #define COPYSEQ(SLOT) COPYSLOT(tp_as_sequence->SLOT)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3738 #define COPYMAP(SLOT) COPYSLOT(tp_as_mapping->SLOT)
20384
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3739 #define COPYBUF(SLOT) COPYSLOT(tp_as_buffer->SLOT)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3740
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3741 /* This won't inherit indirect slots (from tp_as_number etc.)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3742 if type doesn't provide the space. */
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3743
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3744 if (type->tp_as_number != NULL && base->tp_as_number != NULL) {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3745 basebase = base->tp_base;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3746 if (basebase->tp_as_number == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3747 basebase = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3748 COPYNUM(nb_add);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3749 COPYNUM(nb_subtract);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3750 COPYNUM(nb_multiply);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3751 COPYNUM(nb_divide);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3752 COPYNUM(nb_remainder);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3753 COPYNUM(nb_divmod);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3754 COPYNUM(nb_power);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3755 COPYNUM(nb_negative);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3756 COPYNUM(nb_positive);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3757 COPYNUM(nb_absolute);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3758 COPYNUM(nb_nonzero);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3759 COPYNUM(nb_invert);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3760 COPYNUM(nb_lshift);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3761 COPYNUM(nb_rshift);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3762 COPYNUM(nb_and);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3763 COPYNUM(nb_xor);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3764 COPYNUM(nb_or);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3765 COPYNUM(nb_coerce);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3766 COPYNUM(nb_int);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3767 COPYNUM(nb_long);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3768 COPYNUM(nb_float);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3769 COPYNUM(nb_oct);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3770 COPYNUM(nb_hex);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3771 COPYNUM(nb_inplace_add);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3772 COPYNUM(nb_inplace_subtract);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3773 COPYNUM(nb_inplace_multiply);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3774 COPYNUM(nb_inplace_divide);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3775 COPYNUM(nb_inplace_remainder);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3776 COPYNUM(nb_inplace_power);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3777 COPYNUM(nb_inplace_lshift);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3778 COPYNUM(nb_inplace_rshift);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3779 COPYNUM(nb_inplace_and);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3780 COPYNUM(nb_inplace_xor);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3781 COPYNUM(nb_inplace_or);
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
3782 if (base->tp_flags & Py_TPFLAGS_CHECKTYPES) {
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
3783 COPYNUM(nb_true_divide);
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
3784 COPYNUM(nb_floor_divide);
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
3785 COPYNUM(nb_inplace_true_divide);
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
3786 COPYNUM(nb_inplace_floor_divide);
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
3787 }
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
3788 if (base->tp_flags & Py_TPFLAGS_HAVE_INDEX) {
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
3789 COPYNUM(nb_index);
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
3790 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3791 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3792
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3793 if (type->tp_as_sequence != NULL && base->tp_as_sequence != NULL) {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3794 basebase = base->tp_base;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3795 if (basebase->tp_as_sequence == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3796 basebase = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3797 COPYSEQ(sq_length);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3798 COPYSEQ(sq_concat);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3799 COPYSEQ(sq_repeat);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3800 COPYSEQ(sq_item);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3801 COPYSEQ(sq_slice);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3802 COPYSEQ(sq_ass_item);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3803 COPYSEQ(sq_ass_slice);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3804 COPYSEQ(sq_contains);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3805 COPYSEQ(sq_inplace_concat);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3806 COPYSEQ(sq_inplace_repeat);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3807 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3808
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3809 if (type->tp_as_mapping != NULL && base->tp_as_mapping != NULL) {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3810 basebase = base->tp_base;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3811 if (basebase->tp_as_mapping == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3812 basebase = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3813 COPYMAP(mp_length);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3814 COPYMAP(mp_subscript);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3815 COPYMAP(mp_ass_subscript);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3816 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3817
20384
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3818 if (type->tp_as_buffer != NULL && base->tp_as_buffer != NULL) {
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3819 basebase = base->tp_base;
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3820 if (basebase->tp_as_buffer == NULL)
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3821 basebase = NULL;
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3822 COPYBUF(bf_getreadbuffer);
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3823 COPYBUF(bf_getwritebuffer);
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3824 COPYBUF(bf_getsegcount);
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3825 COPYBUF(bf_getcharbuffer);
46107
5341b30b1812 Merged revisions 61750,61752,61754,61756,61760,61763,61768,61772,61775,61805,61809,61812,61819,61917,61920,61930,61933-61934 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46075
diff changeset
3826 COPYBUF(bf_getbuffer);
5341b30b1812 Merged revisions 61750,61752,61754,61756,61760,61763,61768,61772,61775,61805,61809,61812,61819,61917,61920,61930,61933-61934 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46075
diff changeset
3827 COPYBUF(bf_releasebuffer);
20384
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3828 }
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3829
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3830 basebase = base->tp_base;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3831
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3832 COPYSLOT(tp_dealloc);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3833 COPYSLOT(tp_print);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3834 if (type->tp_getattr == NULL && type->tp_getattro == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3835 type->tp_getattr = base->tp_getattr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3836 type->tp_getattro = base->tp_getattro;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3837 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3838 if (type->tp_setattr == NULL && type->tp_setattro == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3839 type->tp_setattr = base->tp_setattr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3840 type->tp_setattro = base->tp_setattro;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3841 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3842 /* tp_compare see tp_richcompare */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3843 COPYSLOT(tp_repr);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
3844 /* tp_hash see tp_richcompare */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3845 COPYSLOT(tp_call);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3846 COPYSLOT(tp_str);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3847 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_RICHCOMPARE) {
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
3848 if (type->tp_compare == NULL &&
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
3849 type->tp_richcompare == NULL &&
47961
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
3850 type->tp_hash == NULL)
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
3851 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3852 type->tp_compare = base->tp_compare;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3853 type->tp_richcompare = base->tp_richcompare;
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
3854 type->tp_hash = base->tp_hash;
48213
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3855 /* Check for changes to inherited methods in Py3k*/
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3856 if (Py_Py3kWarningFlag) {
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3857 if (base->tp_hash &&
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3858 (base->tp_hash != PyObject_HashNotImplemented) &&
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3859 !OVERRIDES_HASH(type)) {
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3860 if (OVERRIDES_CMP(type)) {
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3861 PyErr_WarnPy3k("Overriding "
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3862 "__cmp__ blocks inheritance "
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3863 "of __hash__ in 3.x",
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3864 1);
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3865 }
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3866 if (OVERRIDES_EQ(type)) {
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3867 PyErr_WarnPy3k("Overriding "
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3868 "__eq__ blocks inheritance "
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3869 "of __hash__ in 3.x",
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3870 1);
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3871 }
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3872 }
7527da2b05e8 Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
Nick Coghlan <ncoghlan@gmail.com>
parents: 47961
diff changeset
3873 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3874 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3875 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3876 else {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3877 COPYSLOT(tp_compare);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3878 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3879 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_ITER) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3880 COPYSLOT(tp_iter);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3881 COPYSLOT(tp_iternext);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3882 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3883 if (type->tp_flags & base->tp_flags & Py_TPFLAGS_HAVE_CLASS) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3884 COPYSLOT(tp_descr_get);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3885 COPYSLOT(tp_descr_set);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3886 COPYSLOT(tp_dictoffset);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3887 COPYSLOT(tp_init);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3888 COPYSLOT(tp_alloc);
22848
e589e473f232 Inherit tp_new and tp_is_gc.
Guido van Rossum <guido@python.org>
parents: 22834
diff changeset
3889 COPYSLOT(tp_is_gc);
29201
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3890 if ((type->tp_flags & Py_TPFLAGS_HAVE_GC) ==
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3891 (base->tp_flags & Py_TPFLAGS_HAVE_GC)) {
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3892 /* They agree about gc. */
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3893 COPYSLOT(tp_free);
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3894 }
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3895 else if ((type->tp_flags & Py_TPFLAGS_HAVE_GC) &&
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3896 type->tp_free == NULL &&
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3897 base->tp_free == _PyObject_Del) {
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3898 /* A bit of magic to plug in the correct default
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3899 * tp_free function when a derived class adds gc,
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3900 * didn't define tp_free, and the base uses the
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3901 * default non-gc tp_free.
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3902 */
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3903 type->tp_free = PyObject_GC_Del;
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3904 }
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3905 /* else they didn't agree about gc, and there isn't something
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3906 * obvious to be done -- the type is on its own.
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3907 */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3908 }
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3909 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3910
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
3911 static int add_operators(PyTypeObject *);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3912
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3913 int
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 19036
diff changeset
3914 PyType_Ready(PyTypeObject *type)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3915 {
20439
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
3916 PyObject *dict, *bases;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3917 PyTypeObject *base;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
3918 Py_ssize_t i, n;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3919
23756
8e5f26796620 Undo the last chunk of the previous patch, putting back a useful
Guido van Rossum <guido@python.org>
parents: 23755
diff changeset
3920 if (type->tp_flags & Py_TPFLAGS_READY) {
8e5f26796620 Undo the last chunk of the previous patch, putting back a useful
Guido van Rossum <guido@python.org>
parents: 23755
diff changeset
3921 assert(type->tp_dict != NULL);
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3922 return 0;
23756
8e5f26796620 Undo the last chunk of the previous patch, putting back a useful
Guido van Rossum <guido@python.org>
parents: 23755
diff changeset
3923 }
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3924 assert((type->tp_flags & Py_TPFLAGS_READYING) == 0);
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3925
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3926 type->tp_flags |= Py_TPFLAGS_READYING;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3927
28389
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3928 #ifdef Py_TRACE_REFS
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3929 /* PyType_Ready is the closest thing we have to a choke point
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3930 * for type objects, so is the best place I can think of to try
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3931 * to get type objects into the doubly-linked list of all objects.
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3932 * Still, not all type objects go thru PyType_Ready.
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3933 */
28396
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28390
diff changeset
3934 _Py_AddToAllObjects((PyObject *)type, 0);
28389
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3935 #endif
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3936
22871
252438bb05d9 - A type can now inherit its metatype from its base type. Previously,
Guido van Rossum <guido@python.org>
parents: 22859
diff changeset
3937 /* Initialize tp_base (defaults to BaseObject unless that's us) */
252438bb05d9 - A type can now inherit its metatype from its base type. Previously,
Guido van Rossum <guido@python.org>
parents: 22859
diff changeset
3938 base = type->tp_base;
33174
f6fa649fc4af Patch #980082: Missing INCREF in PyType_Ready.
Martin v. Löwis <martin@v.loewis.de>
parents: 32916
diff changeset
3939 if (base == NULL && type != &PyBaseObject_Type) {
22871
252438bb05d9 - A type can now inherit its metatype from its base type. Previously,
Guido van Rossum <guido@python.org>
parents: 22859
diff changeset
3940 base = type->tp_base = &PyBaseObject_Type;
33174
f6fa649fc4af Patch #980082: Missing INCREF in PyType_Ready.
Martin v. Löwis <martin@v.loewis.de>
parents: 32916
diff changeset
3941 Py_INCREF(base);
f6fa649fc4af Patch #980082: Missing INCREF in PyType_Ready.
Martin v. Löwis <martin@v.loewis.de>
parents: 32916
diff changeset
3942 }
22871
252438bb05d9 - A type can now inherit its metatype from its base type. Previously,
Guido van Rossum <guido@python.org>
parents: 22859
diff changeset
3943
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
3944 /* Now the only way base can still be NULL is if type is
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
3945 * &PyBaseObject_Type.
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
3946 */
36925
7c17e9221f94 Fix three nits found by Coverity, adding null checks and comments.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
3947
24825
c001e5a15369 PyType_Ready(): initialize the base class a bit earlier, so that if we
Guido van Rossum <guido@python.org>
parents: 24795
diff changeset
3948 /* Initialize the base class */
c001e5a15369 PyType_Ready(): initialize the base class a bit earlier, so that if we
Guido van Rossum <guido@python.org>
parents: 24795
diff changeset
3949 if (base && base->tp_dict == NULL) {
c001e5a15369 PyType_Ready(): initialize the base class a bit earlier, so that if we
Guido van Rossum <guido@python.org>
parents: 24795
diff changeset
3950 if (PyType_Ready(base) < 0)
c001e5a15369 PyType_Ready(): initialize the base class a bit earlier, so that if we
Guido van Rossum <guido@python.org>
parents: 24795
diff changeset
3951 goto error;
c001e5a15369 PyType_Ready(): initialize the base class a bit earlier, so that if we
Guido van Rossum <guido@python.org>
parents: 24795
diff changeset
3952 }
c001e5a15369 PyType_Ready(): initialize the base class a bit earlier, so that if we
Guido van Rossum <guido@python.org>
parents: 24795
diff changeset
3953
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
3954 /* Initialize ob_type if NULL. This means extensions that want to be
21451
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3955 compilable separately on Windows can call PyType_Ready() instead of
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3956 initializing the ob_type field of their type objects. */
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
3957 /* The test for base != NULL is really unnecessary, since base is only
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
3958 NULL when type is &PyBaseObject_Type, and we know its ob_type is
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
3959 not NULL (it's initialized to &PyType_Type). But coverity doesn't
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
3960 know that. */
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
3961 if (Py_TYPE(type) == NULL && base != NULL)
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
3962 Py_TYPE(type) = Py_TYPE(base);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3963
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3964 /* Initialize tp_bases */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3965 bases = type->tp_bases;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3966 if (bases == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3967 if (base == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3968 bases = PyTuple_New(0);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3969 else
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
3970 bases = PyTuple_Pack(1, base);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3971 if (bases == NULL)
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3972 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3973 type->tp_bases = bases;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3974 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3975
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3976 /* Initialize tp_dict */
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3977 dict = type->tp_dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3978 if (dict == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3979 dict = PyDict_New();
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3980 if (dict == NULL)
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3981 goto error;
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3982 type->tp_dict = dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3983 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3984
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3985 /* Add type-specific descriptors to tp_dict */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3986 if (add_operators(type) < 0)
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3987 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3988 if (type->tp_methods != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3989 if (add_methods(type, type->tp_methods) < 0)
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3990 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3991 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3992 if (type->tp_members != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3993 if (add_members(type, type->tp_members) < 0)
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3994 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3995 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3996 if (type->tp_getset != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3997 if (add_getset(type, type->tp_getset) < 0)
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3998 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3999 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4000
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4001 /* Calculate method resolution order */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4002 if (mro_internal(type) < 0) {
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
4003 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4004 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4005
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
4006 /* Inherit special flags from dominant base */
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
4007 if (type->tp_base != NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
4008 inherit_special(type, type->tp_base);
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
4009
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4010 /* Initialize tp_dict properly */
20439
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
4011 bases = type->tp_mro;
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
4012 assert(bases != NULL);
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
4013 assert(PyTuple_Check(bases));
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
4014 n = PyTuple_GET_SIZE(bases);
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
4015 for (i = 1; i < n; i++) {
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
4016 PyObject *b = PyTuple_GET_ITEM(bases, i);
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
4017 if (PyType_Check(b))
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
4018 inherit_slots(type, (PyTypeObject *)b);
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
4019 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4020
29201
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
4021 /* Sanity check for tp_free. */
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
4022 if (PyType_IS_GC(type) && (type->tp_flags & Py_TPFLAGS_BASETYPE) &&
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
4023 (type->tp_free == NULL || type->tp_free == PyObject_Del)) {
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
4024 /* This base class needs to call tp_free, but doesn't have
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
4025 * one, or its tp_free is for non-gc'ed objects.
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
4026 */
29201
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
4027 PyErr_Format(PyExc_TypeError, "type '%.100s' participates in "
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
4028 "gc and is a base type but has inappropriate "
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
4029 "tp_free slot",
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
4030 type->tp_name);
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
4031 goto error;
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
4032 }
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
4033
21997
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
4034 /* if the type dictionary doesn't contain a __doc__, set it from
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
4035 the tp_doc slot.
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
4036 */
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
4037 if (PyDict_GetItemString(type->tp_dict, "__doc__") == NULL) {
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
4038 if (type->tp_doc != NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
4039 PyObject *doc = PyString_FromString(type->tp_doc);
39129
f2031f15d99d Handle allocation failures gracefully. Found with failmalloc.
Neal Norwitz <nnorwitz@gmail.com>
parents: 38919
diff changeset
4040 if (doc == NULL)
f2031f15d99d Handle allocation failures gracefully. Found with failmalloc.
Neal Norwitz <nnorwitz@gmail.com>
parents: 38919
diff changeset
4041 goto error;
21997
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
4042 PyDict_SetItemString(type->tp_dict, "__doc__", doc);
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
4043 Py_DECREF(doc);
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
4044 } else {
22774
02fddf7c25c2 Fold some long lines. Delete blank initial line.
Guido van Rossum <guido@python.org>
parents: 22770
diff changeset
4045 PyDict_SetItemString(type->tp_dict,
02fddf7c25c2 Fold some long lines. Delete blank initial line.
Guido van Rossum <guido@python.org>
parents: 22770
diff changeset
4046 "__doc__", Py_None);
21997
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
4047 }
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
4048 }
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
4049
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
4050 /* Some more special stuff */
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
4051 base = type->tp_base;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
4052 if (base != NULL) {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
4053 if (type->tp_as_number == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
4054 type->tp_as_number = base->tp_as_number;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
4055 if (type->tp_as_sequence == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
4056 type->tp_as_sequence = base->tp_as_sequence;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
4057 if (type->tp_as_mapping == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
4058 type->tp_as_mapping = base->tp_as_mapping;
27821
b804ee5beb49 Fix from SF #681367: inherit tp_as_buffer. This only applies to C
Guido van Rossum <guido@python.org>
parents: 27814
diff changeset
4059 if (type->tp_as_buffer == NULL)
b804ee5beb49 Fix from SF #681367: inherit tp_as_buffer. This only applies to C
Guido van Rossum <guido@python.org>
parents: 27814
diff changeset
4060 type->tp_as_buffer = base->tp_as_buffer;
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
4061 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4062
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4063 /* Link into each base class's list of subclasses */
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4064 bases = type->tp_bases;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4065 n = PyTuple_GET_SIZE(bases);
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4066 for (i = 0; i < n; i++) {
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
4067 PyObject *b = PyTuple_GET_ITEM(bases, i);
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
4068 if (PyType_Check(b) &&
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
4069 add_subclass((PyTypeObject *)b, type) < 0)
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4070 goto error;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4071 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4072
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
4073 /* All done -- set the ready flag */
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
4074 assert(type->tp_dict != NULL);
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
4075 type->tp_flags =
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
4076 (type->tp_flags & ~Py_TPFLAGS_READYING) | Py_TPFLAGS_READY;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4077 return 0;
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
4078
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
4079 error:
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
4080 type->tp_flags &= ~Py_TPFLAGS_READYING;
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
4081 return -1;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4082 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4083
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4084 static int
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4085 add_subclass(PyTypeObject *base, PyTypeObject *type)
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4086 {
36519
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
4087 Py_ssize_t i;
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
4088 int result;
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
4089 PyObject *list, *ref, *newobj;
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4090
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4091 list = base->tp_subclasses;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4092 if (list == NULL) {
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4093 base->tp_subclasses = list = PyList_New(0);
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4094 if (list == NULL)
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4095 return -1;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4096 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4097 assert(PyList_Check(list));
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
4098 newobj = PyWeakref_NewRef((PyObject *)type, NULL);
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4099 i = PyList_GET_SIZE(list);
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4100 while (--i >= 0) {
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4101 ref = PyList_GET_ITEM(list, i);
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4102 assert(PyWeakref_CheckRef(ref));
25839
243503926c81 Sigh. That wasn't a memory leak, that was Guido committing before
Guido van Rossum <guido@python.org>
parents: 25837
diff changeset
4103 if (PyWeakref_GET_OBJECT(ref) == Py_None)
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
4104 return PyList_SetItem(list, i, newobj);
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
4105 }
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
4106 result = PyList_Append(list, newobj);
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
4107 Py_DECREF(newobj);
36519
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
4108 return result;
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4109 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4110
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4111 static void
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4112 remove_subclass(PyTypeObject *base, PyTypeObject *type)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4113 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4114 Py_ssize_t i;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4115 PyObject *list, *ref;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4116
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4117 list = base->tp_subclasses;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4118 if (list == NULL) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4119 return;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4120 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4121 assert(PyList_Check(list));
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4122 i = PyList_GET_SIZE(list);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4123 while (--i >= 0) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4124 ref = PyList_GET_ITEM(list, i);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4125 assert(PyWeakref_CheckRef(ref));
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4126 if (PyWeakref_GET_OBJECT(ref) == (PyObject*)type) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4127 /* this can't fail, right? */
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4128 PySequence_DelItem(list, i);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4129 return;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4130 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4131 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4132 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4133
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4134 static int
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4135 check_num_args(PyObject *ob, int n)
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4136 {
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4137 if (!PyTuple_CheckExact(ob)) {
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4138 PyErr_SetString(PyExc_SystemError,
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4139 "PyArg_UnpackTuple() argument list is not a tuple");
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4140 return 0;
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4141 }
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4142 if (n == PyTuple_GET_SIZE(ob))
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4143 return 1;
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4144 PyErr_Format(
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4145 PyExc_TypeError,
36510
0f3894bb2ada Support %zd in PyErr_Format and PyString_FromFormat.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
4146 "expected %d arguments, got %zd", n, PyTuple_GET_SIZE(ob));
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4147 return 0;
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4148 }
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4149
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4150 /* Generic wrappers for overloadable 'operators' such as __getitem__ */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4151
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4152 /* There's a wrapper *function* for each distinct function typedef used
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
4153 for type object slots (e.g. binaryfunc, ternaryfunc, etc.). There's a
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4154 wrapper *table* for each distinct operation (e.g. __len__, __add__).
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4155 Most tables have only one entry; the tables for binary operators have two
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4156 entries, one regular and one with reversed arguments. */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4157
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4158 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4159 wrap_lenfunc(PyObject *self, PyObject *args, void *wrapped)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4160 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4161 lenfunc func = (lenfunc)wrapped;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4162 Py_ssize_t res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4163
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4164 if (!check_num_args(args, 0))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4165 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4166 res = (*func)(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4167 if (res == -1 && PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4168 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4169 return PyInt_FromLong((long)res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4170 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4171
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4172 static PyObject *
30670
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4173 wrap_inquirypred(PyObject *self, PyObject *args, void *wrapped)
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4174 {
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4175 inquiry func = (inquiry)wrapped;
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4176 int res;
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4177
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4178 if (!check_num_args(args, 0))
30670
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4179 return NULL;
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4180 res = (*func)(self);
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4181 if (res == -1 && PyErr_Occurred())
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4182 return NULL;
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4183 return PyBool_FromLong((long)res);
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4184 }
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4185
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4186 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4187 wrap_binaryfunc(PyObject *self, PyObject *args, void *wrapped)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4188 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4189 binaryfunc func = (binaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4190 PyObject *other;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4191
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4192 if (!check_num_args(args, 1))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4193 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4194 other = PyTuple_GET_ITEM(args, 0);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4195 return (*func)(self, other);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4196 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4197
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4198 static PyObject *
20328
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4199 wrap_binaryfunc_l(PyObject *self, PyObject *args, void *wrapped)
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4200 {
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4201 binaryfunc func = (binaryfunc)wrapped;
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4202 PyObject *other;
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4203
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4204 if (!check_num_args(args, 1))
20328
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4205 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4206 other = PyTuple_GET_ITEM(args, 0);
20328
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4207 if (!(self->ob_type->tp_flags & Py_TPFLAGS_CHECKTYPES) &&
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
4208 !PyType_IsSubtype(other->ob_type, self->ob_type)) {
20328
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4209 Py_INCREF(Py_NotImplemented);
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4210 return Py_NotImplemented;
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4211 }
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4212 return (*func)(self, other);
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4213 }
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4214
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4215 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4216 wrap_binaryfunc_r(PyObject *self, PyObject *args, void *wrapped)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4217 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4218 binaryfunc func = (binaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4219 PyObject *other;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4220
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4221 if (!check_num_args(args, 1))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4222 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4223 other = PyTuple_GET_ITEM(args, 0);
20328
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4224 if (!(self->ob_type->tp_flags & Py_TPFLAGS_CHECKTYPES) &&
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
4225 !PyType_IsSubtype(other->ob_type, self->ob_type)) {
20328
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4226 Py_INCREF(Py_NotImplemented);
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4227 return Py_NotImplemented;
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4228 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4229 return (*func)(other, self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4230 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4231
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4232 static PyObject *
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4233 wrap_coercefunc(PyObject *self, PyObject *args, void *wrapped)
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4234 {
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4235 coercion func = (coercion)wrapped;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4236 PyObject *other, *res;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4237 int ok;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4238
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4239 if (!check_num_args(args, 1))
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4240 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4241 other = PyTuple_GET_ITEM(args, 0);
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4242 ok = func(&self, &other);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4243 if (ok < 0)
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4244 return NULL;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4245 if (ok > 0) {
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4246 Py_INCREF(Py_NotImplemented);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4247 return Py_NotImplemented;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4248 }
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4249 res = PyTuple_New(2);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4250 if (res == NULL) {
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4251 Py_DECREF(self);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4252 Py_DECREF(other);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4253 return NULL;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4254 }
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4255 PyTuple_SET_ITEM(res, 0, self);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4256 PyTuple_SET_ITEM(res, 1, other);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4257 return res;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4258 }
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4259
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4260 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4261 wrap_ternaryfunc(PyObject *self, PyObject *args, void *wrapped)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4262 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4263 ternaryfunc func = (ternaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4264 PyObject *other;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4265 PyObject *third = Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4266
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4267 /* Note: This wrapper only works for __pow__() */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4268
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4269 if (!PyArg_UnpackTuple(args, "", 1, 2, &other, &third))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4270 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4271 return (*func)(self, other, third);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4272 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4273
20168
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4274 static PyObject *
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4275 wrap_ternaryfunc_r(PyObject *self, PyObject *args, void *wrapped)
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4276 {
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4277 ternaryfunc func = (ternaryfunc)wrapped;
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4278 PyObject *other;
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4279 PyObject *third = Py_None;
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4280
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4281 /* Note: This wrapper only works for __pow__() */
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4282
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4283 if (!PyArg_UnpackTuple(args, "", 1, 2, &other, &third))
20168
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4284 return NULL;
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4285 return (*func)(other, self, third);
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4286 }
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4287
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4288 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4289 wrap_unaryfunc(PyObject *self, PyObject *args, void *wrapped)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4290 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4291 unaryfunc func = (unaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4292
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4293 if (!check_num_args(args, 0))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4294 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4295 return (*func)(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4296 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4297
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4298 static PyObject *
37308
aaa04bfafc58 Minor bugs in the __index__ code (PEP 357), with tests.
Armin Rigo <arigo@tunes.org>
parents: 37304
diff changeset
4299 wrap_indexargfunc(PyObject *self, PyObject *args, void *wrapped)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4300 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4301 ssizeargfunc func = (ssizeargfunc)wrapped;
37308
aaa04bfafc58 Minor bugs in the __index__ code (PEP 357), with tests.
Armin Rigo <arigo@tunes.org>
parents: 37304
diff changeset
4302 PyObject* o;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4303 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4304
37308
aaa04bfafc58 Minor bugs in the __index__ code (PEP 357), with tests.
Armin Rigo <arigo@tunes.org>
parents: 37304
diff changeset
4305 if (!PyArg_UnpackTuple(args, "", 1, 1, &o))
aaa04bfafc58 Minor bugs in the __index__ code (PEP 357), with tests.
Armin Rigo <arigo@tunes.org>
parents: 37304
diff changeset
4306 return NULL;
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39415
diff changeset
4307 i = PyNumber_AsSsize_t(o, PyExc_OverflowError);
37308
aaa04bfafc58 Minor bugs in the __index__ code (PEP 357), with tests.
Armin Rigo <arigo@tunes.org>
parents: 37304
diff changeset
4308 if (i == -1 && PyErr_Occurred())
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4309 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4310 return (*func)(self, i);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4311 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4312
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4313 static Py_ssize_t
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4314 getindex(PyObject *self, PyObject *arg)
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4315 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4316 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4317
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39415
diff changeset
4318 i = PyNumber_AsSsize_t(arg, PyExc_OverflowError);
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4319 if (i == -1 && PyErr_Occurred())
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4320 return -1;
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4321 if (i < 0) {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4322 PySequenceMethods *sq = Py_TYPE(self)->tp_as_sequence;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4323 if (sq && sq->sq_length) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4324 Py_ssize_t n = (*sq->sq_length)(self);
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4325 if (n < 0)
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4326 return -1;
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4327 i += n;
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4328 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4329 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4330 return i;
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4331 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4332
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4333 static PyObject *
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4334 wrap_sq_item(PyObject *self, PyObject *args, void *wrapped)
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4335 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4336 ssizeargfunc func = (ssizeargfunc)wrapped;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4337 PyObject *arg;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4338 Py_ssize_t i;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4339
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4340 if (PyTuple_GET_SIZE(args) == 1) {
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4341 arg = PyTuple_GET_ITEM(args, 0);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4342 i = getindex(self, arg);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4343 if (i == -1 && PyErr_Occurred())
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4344 return NULL;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4345 return (*func)(self, i);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4346 }
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4347 check_num_args(args, 1);
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4348 assert(PyErr_Occurred());
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4349 return NULL;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4350 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4351
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4352 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4353 wrap_ssizessizeargfunc(PyObject *self, PyObject *args, void *wrapped)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4354 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4355 ssizessizeargfunc func = (ssizessizeargfunc)wrapped;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4356 Py_ssize_t i, j;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4357
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4358 if (!PyArg_ParseTuple(args, "nn", &i, &j))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4359 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4360 return (*func)(self, i, j);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4361 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4362
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4363 static PyObject *
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4364 wrap_sq_setitem(PyObject *self, PyObject *args, void *wrapped)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4365 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4366 ssizeobjargproc func = (ssizeobjargproc)wrapped;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4367 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4368 int res;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4369 PyObject *arg, *value;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4370
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4371 if (!PyArg_UnpackTuple(args, "", 2, 2, &arg, &value))
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4372 return NULL;
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4373 i = getindex(self, arg);
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4374 if (i == -1 && PyErr_Occurred())
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4375 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4376 res = (*func)(self, i, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4377 if (res == -1 && PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4378 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4379 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4380 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4381 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4382
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4383 static PyObject *
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4384 wrap_sq_delitem(PyObject *self, PyObject *args, void *wrapped)
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4385 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4386 ssizeobjargproc func = (ssizeobjargproc)wrapped;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4387 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4388 int res;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4389 PyObject *arg;
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4390
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4391 if (!check_num_args(args, 1))
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4392 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4393 arg = PyTuple_GET_ITEM(args, 0);
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4394 i = getindex(self, arg);
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4395 if (i == -1 && PyErr_Occurred())
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4396 return NULL;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4397 res = (*func)(self, i, NULL);
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4398 if (res == -1 && PyErr_Occurred())
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4399 return NULL;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4400 Py_INCREF(Py_None);
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4401 return Py_None;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4402 }
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4403
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4404 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4405 wrap_ssizessizeobjargproc(PyObject *self, PyObject *args, void *wrapped)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4406 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4407 ssizessizeobjargproc func = (ssizessizeobjargproc)wrapped;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4408 Py_ssize_t i, j;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4409 int res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4410 PyObject *value;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4411
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4412 if (!PyArg_ParseTuple(args, "nnO", &i, &j, &value))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4413 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4414 res = (*func)(self, i, j, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4415 if (res == -1 && PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4416 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4417 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4418 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4419 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4420
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
4421 static PyObject *
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
4422 wrap_delslice(PyObject *self, PyObject *args, void *wrapped)
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
4423 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4424 ssizessizeobjargproc func = (ssizessizeobjargproc)wrapped;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4425 Py_ssize_t i, j;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4426 int res;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4427
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4428 if (!PyArg_ParseTuple(args, "nn", &i, &j))
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
4429 return NULL;
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
4430 res = (*func)(self, i, j, NULL);
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
4431 if (res == -1 && PyErr_Occurred())
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
4432 return NULL;
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
4433 Py_INCREF(Py_None);
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
4434 return Py_None;
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
4435 }
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
4436
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4437 /* XXX objobjproc is a misnomer; should be objargpred */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4438 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4439 wrap_objobjproc(PyObject *self, PyObject *args, void *wrapped)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4440 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4441 objobjproc func = (objobjproc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4442 int res;
30660
36992ca918a3 Fix leak introduced by previous typeobject.c checkin.
Guido van Rossum <guido@python.org>
parents: 30659
diff changeset
4443 PyObject *value;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4444
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4445 if (!check_num_args(args, 1))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4446 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4447 value = PyTuple_GET_ITEM(args, 0);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4448 res = (*func)(self, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4449 if (res == -1 && PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4450 return NULL;
30660
36992ca918a3 Fix leak introduced by previous typeobject.c checkin.
Guido van Rossum <guido@python.org>
parents: 30659
diff changeset
4451 else
36992ca918a3 Fix leak introduced by previous typeobject.c checkin.
Guido van Rossum <guido@python.org>
parents: 30659
diff changeset
4452 return PyBool_FromLong(res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4453 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4454
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4455 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4456 wrap_objobjargproc(PyObject *self, PyObject *args, void *wrapped)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4457 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4458 objobjargproc func = (objobjargproc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4459 int res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4460 PyObject *key, *value;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4461
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4462 if (!PyArg_UnpackTuple(args, "", 2, 2, &key, &value))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4463 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4464 res = (*func)(self, key, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4465 if (res == -1 && PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4466 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4467 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4468 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4469 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4470
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4471 static PyObject *
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4472 wrap_delitem(PyObject *self, PyObject *args, void *wrapped)
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4473 {
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4474 objobjargproc func = (objobjargproc)wrapped;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4475 int res;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4476 PyObject *key;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4477
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4478 if (!check_num_args(args, 1))
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4479 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4480 key = PyTuple_GET_ITEM(args, 0);
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4481 res = (*func)(self, key, NULL);
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4482 if (res == -1 && PyErr_Occurred())
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4483 return NULL;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4484 Py_INCREF(Py_None);
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4485 return Py_None;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4486 }
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4487
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4488 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4489 wrap_cmpfunc(PyObject *self, PyObject *args, void *wrapped)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4490 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4491 cmpfunc func = (cmpfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4492 int res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4493 PyObject *other;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4494
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4495 if (!check_num_args(args, 1))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4496 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4497 other = PyTuple_GET_ITEM(args, 0);
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4498 if (Py_TYPE(other)->tp_compare != func &&
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4499 !PyType_IsSubtype(Py_TYPE(other), Py_TYPE(self))) {
19964
43e5fd54f8c9 wrap_cmpfunc(): added a safety check for the __cmp__ wrapper. We can
Guido van Rossum <guido@python.org>
parents: 19950
diff changeset
4500 PyErr_Format(
43e5fd54f8c9 wrap_cmpfunc(): added a safety check for the __cmp__ wrapper. We can
Guido van Rossum <guido@python.org>
parents: 19950
diff changeset
4501 PyExc_TypeError,
43e5fd54f8c9 wrap_cmpfunc(): added a safety check for the __cmp__ wrapper. We can
Guido van Rossum <guido@python.org>
parents: 19950
diff changeset
4502 "%s.__cmp__(x,y) requires y to be a '%s', not a '%s'",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4503 Py_TYPE(self)->tp_name,
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4504 Py_TYPE(self)->tp_name,
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4505 Py_TYPE(other)->tp_name);
19964
43e5fd54f8c9 wrap_cmpfunc(): added a safety check for the __cmp__ wrapper. We can
Guido van Rossum <guido@python.org>
parents: 19950
diff changeset
4506 return NULL;
43e5fd54f8c9 wrap_cmpfunc(): added a safety check for the __cmp__ wrapper. We can
Guido van Rossum <guido@python.org>
parents: 19950
diff changeset
4507 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4508 res = (*func)(self, other);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4509 if (PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4510 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4511 return PyInt_FromLong((long)res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4512 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4513
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4514 /* Helper to check for object.__setattr__ or __delattr__ applied to a type.
28621
824dc28f922d Ouch, it's Carlo Verre, not Verre Carlo.
Guido van Rossum <guido@python.org>
parents: 28608
diff changeset
4515 This is called the Carlo Verre hack after its discoverer. */
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4516 static int
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4517 hackcheck(PyObject *self, setattrofunc func, char *what)
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4518 {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4519 PyTypeObject *type = Py_TYPE(self);
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4520 while (type && type->tp_flags & Py_TPFLAGS_HEAPTYPE)
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4521 type = type->tp_base;
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
4522 /* If type is NULL now, this is a really weird type.
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
4523 In the spirit of backwards compatibility (?), just shut up. */
36925
7c17e9221f94 Fix three nits found by Coverity, adding null checks and comments.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
4524 if (type && type->tp_setattro != func) {
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4525 PyErr_Format(PyExc_TypeError,
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4526 "can't apply this %s to %s object",
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4527 what,
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4528 type->tp_name);
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4529 return 0;
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4530 }
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4531 return 1;
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4532 }
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4533
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4534 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4535 wrap_setattr(PyObject *self, PyObject *args, void *wrapped)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4536 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4537 setattrofunc func = (setattrofunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4538 int res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4539 PyObject *name, *value;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4540
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4541 if (!PyArg_UnpackTuple(args, "", 2, 2, &name, &value))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4542 return NULL;
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4543 if (!hackcheck(self, func, "__setattr__"))
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4544 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4545 res = (*func)(self, name, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4546 if (res < 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4547 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4548 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4549 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4550 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4551
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4552 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4553 wrap_delattr(PyObject *self, PyObject *args, void *wrapped)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4554 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4555 setattrofunc func = (setattrofunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4556 int res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4557 PyObject *name;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4558
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4559 if (!check_num_args(args, 1))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4560 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4561 name = PyTuple_GET_ITEM(args, 0);
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4562 if (!hackcheck(self, func, "__delattr__"))
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4563 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4564 res = (*func)(self, name, NULL);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4565 if (res < 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4566 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4567 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4568 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4569 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4570
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4571 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4572 wrap_hashfunc(PyObject *self, PyObject *args, void *wrapped)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4573 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4574 hashfunc func = (hashfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4575 long res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4576
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4577 if (!check_num_args(args, 0))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4578 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4579 res = (*func)(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4580 if (res == -1 && PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4581 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4582 return PyInt_FromLong(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4583 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4584
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4585 static PyObject *
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
4586 wrap_call(PyObject *self, PyObject *args, void *wrapped, PyObject *kwds)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4587 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4588 ternaryfunc func = (ternaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4589
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
4590 return (*func)(self, args, kwds);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4591 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4592
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4593 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4594 wrap_richcmpfunc(PyObject *self, PyObject *args, void *wrapped, int op)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4595 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4596 richcmpfunc func = (richcmpfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4597 PyObject *other;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4598
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4599 if (!check_num_args(args, 1))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4600 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4601 other = PyTuple_GET_ITEM(args, 0);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4602 return (*func)(self, other, op);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4603 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4604
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4605 #undef RICHCMP_WRAPPER
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4606 #define RICHCMP_WRAPPER(NAME, OP) \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4607 static PyObject * \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4608 richcmp_##NAME(PyObject *self, PyObject *args, void *wrapped) \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4609 { \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4610 return wrap_richcmpfunc(self, args, wrapped, OP); \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4611 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4612
19070
39a73c6773f1 Removed extraneous semicolons that caused a gazzilion "empty declaration" warnings in the MetroWerks compiler.
Jack Jansen <jack.jansen@cwi.nl>
parents: 19040
diff changeset
4613 RICHCMP_WRAPPER(lt, Py_LT)
39a73c6773f1 Removed extraneous semicolons that caused a gazzilion "empty declaration" warnings in the MetroWerks compiler.
Jack Jansen <jack.jansen@cwi.nl>
parents: 19040
diff changeset
4614 RICHCMP_WRAPPER(le, Py_LE)
39a73c6773f1 Removed extraneous semicolons that caused a gazzilion "empty declaration" warnings in the MetroWerks compiler.
Jack Jansen <jack.jansen@cwi.nl>
parents: 19040
diff changeset
4615 RICHCMP_WRAPPER(eq, Py_EQ)
39a73c6773f1 Removed extraneous semicolons that caused a gazzilion "empty declaration" warnings in the MetroWerks compiler.
Jack Jansen <jack.jansen@cwi.nl>
parents: 19040
diff changeset
4616 RICHCMP_WRAPPER(ne, Py_NE)
39a73c6773f1 Removed extraneous semicolons that caused a gazzilion "empty declaration" warnings in the MetroWerks compiler.
Jack Jansen <jack.jansen@cwi.nl>
parents: 19040
diff changeset
4617 RICHCMP_WRAPPER(gt, Py_GT)
39a73c6773f1 Removed extraneous semicolons that caused a gazzilion "empty declaration" warnings in the MetroWerks compiler.
Jack Jansen <jack.jansen@cwi.nl>
parents: 19040
diff changeset
4618 RICHCMP_WRAPPER(ge, Py_GE)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4619
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4620 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4621 wrap_next(PyObject *self, PyObject *args, void *wrapped)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4622 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4623 unaryfunc func = (unaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4624 PyObject *res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4625
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4626 if (!check_num_args(args, 0))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4627 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4628 res = (*func)(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4629 if (res == NULL && !PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4630 PyErr_SetNone(PyExc_StopIteration);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4631 return res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4632 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4633
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4634 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4635 wrap_descr_get(PyObject *self, PyObject *args, void *wrapped)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4636 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4637 descrgetfunc func = (descrgetfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4638 PyObject *obj;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4639 PyObject *type = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4640
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4641 if (!PyArg_UnpackTuple(args, "", 1, 2, &obj, &type))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4642 return NULL;
27811
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4643 if (obj == Py_None)
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4644 obj = NULL;
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4645 if (type == Py_None)
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4646 type = NULL;
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4647 if (type == NULL &&obj == NULL) {
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4648 PyErr_SetString(PyExc_TypeError,
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4649 "__get__(None, None) is invalid");
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4650 return NULL;
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4651 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4652 return (*func)(self, obj, type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4653 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4654
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4655 static PyObject *
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
4656 wrap_descr_set(PyObject *self, PyObject *args, void *wrapped)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4657 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4658 descrsetfunc func = (descrsetfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4659 PyObject *obj, *value;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4660 int ret;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4661
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4662 if (!PyArg_UnpackTuple(args, "", 2, 2, &obj, &value))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4663 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4664 ret = (*func)(self, obj, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4665 if (ret < 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4666 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4667 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4668 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4669 }
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
4670
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4671 static PyObject *
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4672 wrap_descr_delete(PyObject *self, PyObject *args, void *wrapped)
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4673 {
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4674 descrsetfunc func = (descrsetfunc)wrapped;
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4675 PyObject *obj;
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4676 int ret;
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4677
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4678 if (!check_num_args(args, 1))
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4679 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4680 obj = PyTuple_GET_ITEM(args, 0);
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4681 ret = (*func)(self, obj, NULL);
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4682 if (ret < 0)
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4683 return NULL;
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4684 Py_INCREF(Py_None);
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4685 return Py_None;
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4686 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4687
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4688 static PyObject *
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
4689 wrap_init(PyObject *self, PyObject *args, void *wrapped, PyObject *kwds)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4690 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4691 initproc func = (initproc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4692
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
4693 if (func(self, args, kwds) < 0)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4694 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4695 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4696 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4697 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4698
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4699 static PyObject *
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4700 tp_new_wrapper(PyObject *self, PyObject *args, PyObject *kwds)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4701 {
19429
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4702 PyTypeObject *type, *subtype, *staticbase;
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4703 PyObject *arg0, *res;
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4704
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4705 if (self == NULL || !PyType_Check(self))
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4706 Py_FatalError("__new__() called with non-type 'self'");
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4707 type = (PyTypeObject *)self;
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4708 if (!PyTuple_Check(args) || PyTuple_GET_SIZE(args) < 1) {
19429
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4709 PyErr_Format(PyExc_TypeError,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4710 "%s.__new__(): not enough arguments",
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4711 type->tp_name);
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4712 return NULL;
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4713 }
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4714 arg0 = PyTuple_GET_ITEM(args, 0);
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4715 if (!PyType_Check(arg0)) {
19429
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4716 PyErr_Format(PyExc_TypeError,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4717 "%s.__new__(X): X is not a type object (%s)",
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4718 type->tp_name,
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4719 Py_TYPE(arg0)->tp_name);
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4720 return NULL;
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4721 }
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4722 subtype = (PyTypeObject *)arg0;
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4723 if (!PyType_IsSubtype(subtype, type)) {
19429
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4724 PyErr_Format(PyExc_TypeError,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4725 "%s.__new__(%s): %s is not a subtype of %s",
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4726 type->tp_name,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4727 subtype->tp_name,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4728 subtype->tp_name,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4729 type->tp_name);
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4730 return NULL;
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4731 }
19429
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4732
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4733 /* Check that the use doesn't do something silly and unsafe like
20754
272336648d1f Rename "dictionary" (type and constructor) to "dict".
Tim Peters <tim.peters@gmail.com>
parents: 20753
diff changeset
4734 object.__new__(dict). To do this, we check that the
19429
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4735 most derived base that's not a heap type is this type. */
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4736 staticbase = subtype;
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4737 while (staticbase && (staticbase->tp_flags & Py_TPFLAGS_HEAPTYPE))
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4738 staticbase = staticbase->tp_base;
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
4739 /* If staticbase is NULL now, it is a really weird type.
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
4740 In the spirit of backwards compatibility (?), just shut up. */
36925
7c17e9221f94 Fix three nits found by Coverity, adding null checks and comments.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
4741 if (staticbase && staticbase->tp_new != type->tp_new) {
19429
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4742 PyErr_Format(PyExc_TypeError,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4743 "%s.__new__(%s) is not safe, use %s.__new__()",
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4744 type->tp_name,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4745 subtype->tp_name,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4746 staticbase == NULL ? "?" : staticbase->tp_name);
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4747 return NULL;
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4748 }
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4749
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4750 args = PyTuple_GetSlice(args, 1, PyTuple_GET_SIZE(args));
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4751 if (args == NULL)
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4752 return NULL;
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4753 res = type->tp_new(subtype, args, kwds);
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4754 Py_DECREF(args);
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4755 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4756 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4757
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4758 static struct PyMethodDef tp_new_methoddef[] = {
41816
ec83d21065aa Stop using METH_OLDARGS implicitly
Neal Norwitz <nnorwitz@gmail.com>
parents: 41576
diff changeset
4759 {"__new__", (PyCFunction)tp_new_wrapper, METH_VARARGS|METH_KEYWORDS,
24795
452d6a916196 Allow more docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24789
diff changeset
4760 PyDoc_STR("T.__new__(S, ...) -> "
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
4761 "a new object with type S, a subtype of T")},
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4762 {0}
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4763 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4764
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4765 static int
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4766 add_tp_new_wrapper(PyTypeObject *type)
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4767 {
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4768 PyObject *func;
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4769
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
4770 if (PyDict_GetItemString(type->tp_dict, "__new__") != NULL)
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4771 return 0;
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4772 func = PyCFunction_New(tp_new_methoddef, (PyObject *)type);
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4773 if (func == NULL)
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4774 return -1;
32407
aaf9295ed45b Cosmetic spacing fix.
Raymond Hettinger <python@rcn.com>
parents: 32404
diff changeset
4775 if (PyDict_SetItemString(type->tp_dict, "__new__", func)) {
32404
75e5d1e8b617 Fix leak found by Eric Huss.
Raymond Hettinger <python@rcn.com>
parents: 32323
diff changeset
4776 Py_DECREF(func);
75e5d1e8b617 Fix leak found by Eric Huss.
Raymond Hettinger <python@rcn.com>
parents: 32323
diff changeset
4777 return -1;
75e5d1e8b617 Fix leak found by Eric Huss.
Raymond Hettinger <python@rcn.com>
parents: 32323
diff changeset
4778 }
75e5d1e8b617 Fix leak found by Eric Huss.
Raymond Hettinger <python@rcn.com>
parents: 32323
diff changeset
4779 Py_DECREF(func);
75e5d1e8b617 Fix leak found by Eric Huss.
Raymond Hettinger <python@rcn.com>
parents: 32323
diff changeset
4780 return 0;
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4781 }
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4782
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4783 /* Slot wrappers that call the corresponding __foo__ slot. See comments
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4784 below at override_slots() for more explanation. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4785
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4786 #define SLOT0(FUNCNAME, OPSTR) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4787 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4788 FUNCNAME(PyObject *self) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4789 { \
19540
e141b392b61d Fix a typo in SLOT0 macro for the declaration of cache_str.
Guido van Rossum <guido@python.org>
parents: 19538
diff changeset
4790 static PyObject *cache_str; \
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4791 return call_method(self, OPSTR, &cache_str, "()"); \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4792 }
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4793
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4794 #define SLOT1(FUNCNAME, OPSTR, ARG1TYPE, ARGCODES) \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4795 static PyObject * \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4796 FUNCNAME(PyObject *self, ARG1TYPE arg1) \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4797 { \
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4798 static PyObject *cache_str; \
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4799 return call_method(self, OPSTR, &cache_str, "(" ARGCODES ")", arg1); \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4800 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4801
27124
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4802 /* Boolean helper for SLOT1BINFULL().
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4803 right.__class__ is a nontrivial subclass of left.__class__. */
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4804 static int
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4805 method_is_overloaded(PyObject *left, PyObject *right, char *name)
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4806 {
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4807 PyObject *a, *b;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4808 int ok;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4809
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4810 b = PyObject_GetAttrString((PyObject *)(Py_TYPE(right)), name);
27124
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4811 if (b == NULL) {
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4812 PyErr_Clear();
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4813 /* If right doesn't have it, it's not overloaded */
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4814 return 0;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4815 }
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4816
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4817 a = PyObject_GetAttrString((PyObject *)(Py_TYPE(left)), name);
27124
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4818 if (a == NULL) {
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4819 PyErr_Clear();
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4820 Py_DECREF(b);
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4821 /* If right has it but left doesn't, it's overloaded */
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4822 return 1;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4823 }
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4824
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4825 ok = PyObject_RichCompareBool(a, b, Py_NE);
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4826 Py_DECREF(a);
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4827 Py_DECREF(b);
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4828 if (ok < 0) {
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4829 PyErr_Clear();
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4830 return 0;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4831 }
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4832
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4833 return ok;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4834 }
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4835
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4836
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4837 #define SLOT1BINFULL(FUNCNAME, TESTFUNC, SLOTNAME, OPSTR, ROPSTR) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4838 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4839 FUNCNAME(PyObject *self, PyObject *other) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4840 { \
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4841 static PyObject *cache_str, *rcache_str; \
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4842 int do_other = Py_TYPE(self) != Py_TYPE(other) && \
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4843 Py_TYPE(other)->tp_as_number != NULL && \
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4844 Py_TYPE(other)->tp_as_number->SLOTNAME == TESTFUNC; \
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4845 if (Py_TYPE(self)->tp_as_number != NULL && \
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4846 Py_TYPE(self)->tp_as_number->SLOTNAME == TESTFUNC) { \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4847 PyObject *r; \
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4848 if (do_other && \
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4849 PyType_IsSubtype(Py_TYPE(other), Py_TYPE(self)) && \
27124
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4850 method_is_overloaded(self, other, ROPSTR)) { \
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4851 r = call_maybe( \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4852 other, ROPSTR, &rcache_str, "(O)", self); \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4853 if (r != Py_NotImplemented) \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4854 return r; \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4855 Py_DECREF(r); \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4856 do_other = 0; \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4857 } \
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
4858 r = call_maybe( \
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4859 self, OPSTR, &cache_str, "(O)", other); \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4860 if (r != Py_NotImplemented || \
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4861 Py_TYPE(other) == Py_TYPE(self)) \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4862 return r; \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4863 Py_DECREF(r); \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4864 } \
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4865 if (do_other) { \
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
4866 return call_maybe( \
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4867 other, ROPSTR, &rcache_str, "(O)", self); \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4868 } \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4869 Py_INCREF(Py_NotImplemented); \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4870 return Py_NotImplemented; \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4871 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4872
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4873 #define SLOT1BIN(FUNCNAME, SLOTNAME, OPSTR, ROPSTR) \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4874 SLOT1BINFULL(FUNCNAME, FUNCNAME, SLOTNAME, OPSTR, ROPSTR)
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4875
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4876 #define SLOT2(FUNCNAME, OPSTR, ARG1TYPE, ARG2TYPE, ARGCODES) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4877 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4878 FUNCNAME(PyObject *self, ARG1TYPE arg1, ARG2TYPE arg2) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4879 { \
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4880 static PyObject *cache_str; \
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4881 return call_method(self, OPSTR, &cache_str, \
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4882 "(" ARGCODES ")", arg1, arg2); \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4883 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4884
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4885 static Py_ssize_t
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4886 slot_sq_length(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4887 {
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4888 static PyObject *len_str;
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4889 PyObject *res = call_method(self, "__len__", &len_str, "()");
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4890 Py_ssize_t len;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4891
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4892 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4893 return -1;
39464
48f1dbc57845 Fix a couple of bugs exposed by the new __index__ code. The 64-bit buildbots
Neal Norwitz <nnorwitz@gmail.com>
parents: 39463
diff changeset
4894 len = PyInt_AsSsize_t(res);
20197
b4f0f10a6c5f slot_sq_length(): squash a leak.
Guido van Rossum <guido@python.org>
parents: 20195
diff changeset
4895 Py_DECREF(res);
24376
aa9e054270a2 Complain if __len__() returns < 0, just like classic classes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24280
diff changeset
4896 if (len < 0) {
39995
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code.
Armin Rigo <arigo@tunes.org>
parents: 39921
diff changeset
4897 if (!PyErr_Occurred())
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code.
Armin Rigo <arigo@tunes.org>
parents: 39921
diff changeset
4898 PyErr_SetString(PyExc_ValueError,
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code.
Armin Rigo <arigo@tunes.org>
parents: 39921
diff changeset
4899 "__len__() should return >= 0");
24376
aa9e054270a2 Complain if __len__() returns < 0, just like classic classes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24280
diff changeset
4900 return -1;
aa9e054270a2 Complain if __len__() returns < 0, just like classic classes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24280
diff changeset
4901 }
20197
b4f0f10a6c5f slot_sq_length(): squash a leak.
Guido van Rossum <guido@python.org>
parents: 20195
diff changeset
4902 return len;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4903 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4904
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4905 /* Super-optimized version of slot_sq_item.
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4906 Other slots could do the same... */
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4907 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4908 slot_sq_item(PyObject *self, Py_ssize_t i)
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4909 {
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4910 static PyObject *getitem_str;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4911 PyObject *func, *args = NULL, *ival = NULL, *retval = NULL;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4912 descrgetfunc f;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4913
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4914 if (getitem_str == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
4915 getitem_str = PyString_InternFromString("__getitem__");
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4916 if (getitem_str == NULL)
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4917 return NULL;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4918 }
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4919 func = _PyType_Lookup(Py_TYPE(self), getitem_str);
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4920 if (func != NULL) {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4921 if ((f = Py_TYPE(func)->tp_descr_get) == NULL)
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4922 Py_INCREF(func);
25853
680bfcc9ca06 Fix SF # 624982, Potential AV in slot_sq_item, by Greg Chapman
Neal Norwitz <nnorwitz@gmail.com>
parents: 25839
diff changeset
4923 else {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
4924 func = f(func, self, (PyObject *)(Py_TYPE(self)));
25853
680bfcc9ca06 Fix SF # 624982, Potential AV in slot_sq_item, by Greg Chapman
Neal Norwitz <nnorwitz@gmail.com>
parents: 25839
diff changeset
4925 if (func == NULL) {
680bfcc9ca06 Fix SF # 624982, Potential AV in slot_sq_item, by Greg Chapman
Neal Norwitz <nnorwitz@gmail.com>
parents: 25839
diff changeset
4926 return NULL;
680bfcc9ca06 Fix SF # 624982, Potential AV in slot_sq_item, by Greg Chapman
Neal Norwitz <nnorwitz@gmail.com>
parents: 25839
diff changeset
4927 }
680bfcc9ca06 Fix SF # 624982, Potential AV in slot_sq_item, by Greg Chapman
Neal Norwitz <nnorwitz@gmail.com>
parents: 25839
diff changeset
4928 }
36519
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
4929 ival = PyInt_FromSsize_t(i);
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4930 if (ival != NULL) {
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4931 args = PyTuple_New(1);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4932 if (args != NULL) {
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4933 PyTuple_SET_ITEM(args, 0, ival);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4934 retval = PyObject_Call(func, args, NULL);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4935 Py_XDECREF(args);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4936 Py_XDECREF(func);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4937 return retval;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4938 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4939 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4940 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4941 else {
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4942 PyErr_SetObject(PyExc_AttributeError, getitem_str);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4943 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4944 Py_XDECREF(args);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4945 Py_XDECREF(ival);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4946 Py_XDECREF(func);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4947 return NULL;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4948 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4949
48854
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4950 static PyObject*
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4951 slot_sq_slice(PyObject *self, Py_ssize_t i, Py_ssize_t j)
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4952 {
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4953 static PyObject *getslice_str;
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4954
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4955 if (PyErr_WarnPy3k("in 3.x, __getslice__ has been removed; "
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4956 "use __getitem__", 1) < 0)
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4957 return NULL;
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4958 return call_method(self, "__getslice__", &getslice_str,
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4959 "nn", i, j);
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4960 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4961
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4962 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4963 slot_sq_ass_item(PyObject *self, Py_ssize_t index, PyObject *value)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4964 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4965 PyObject *res;
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4966 static PyObject *delitem_str, *setitem_str;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4967
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4968 if (value == NULL)
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4969 res = call_method(self, "__delitem__", &delitem_str,
37880
96aa5ce86445 Fix variable/format-char discrepancy in new-style class __getitem__,
Thomas Wouters <thomas@python.org>
parents: 37815
diff changeset
4970 "(n)", index);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4971 else
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4972 res = call_method(self, "__setitem__", &setitem_str,
37880
96aa5ce86445 Fix variable/format-char discrepancy in new-style class __getitem__,
Thomas Wouters <thomas@python.org>
parents: 37815
diff changeset
4973 "(nO)", index, value);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4974 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4975 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4976 Py_DECREF(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4977 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4978 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4979
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4980 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4981 slot_sq_ass_slice(PyObject *self, Py_ssize_t i, Py_ssize_t j, PyObject *value)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4982 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4983 PyObject *res;
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4984 static PyObject *delslice_str, *setslice_str;
48854
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4985
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4986 if (value == NULL) {
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4987 if (PyErr_WarnPy3k("in 3.x, __delslice__ has been removed; "
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4988 "use __delitem__", 1) < 0)
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4989 return -1;
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4990 res = call_method(self, "__delslice__", &delslice_str,
37880
96aa5ce86445 Fix variable/format-char discrepancy in new-style class __getitem__,
Thomas Wouters <thomas@python.org>
parents: 37815
diff changeset
4991 "(nn)", i, j);
48854
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4992 }
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4993 else {
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4994 if (PyErr_WarnPy3k("in 3.x, __setslice__ has been removed; "
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4995 "use __setitem__", 1) < 0)
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4996 return -1;
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4997 res = call_method(self, "__setslice__", &setslice_str,
48854
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4998 "(nnO)", i, j, value);
6ea1a720b057 generate py3k warnings on __getslice__, __delslice__, and __setslice__
Benjamin Peterson <benjamin@python.org>
parents: 48213
diff changeset
4999 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5000 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5001 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5002 Py_DECREF(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5003 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5004 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5005
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5006 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5007 slot_sq_contains(PyObject *self, PyObject *value)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5008 {
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5009 PyObject *func, *res, *args;
28390
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
5010 int result = -1;
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
5011
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5012 static PyObject *contains_str;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5013
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5014 func = lookup_maybe(self, "__contains__", &contains_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5015 if (func != NULL) {
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
5016 args = PyTuple_Pack(1, value);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5017 if (args == NULL)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5018 res = NULL;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5019 else {
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5020 res = PyObject_Call(func, args, NULL);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5021 Py_DECREF(args);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5022 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5023 Py_DECREF(func);
28390
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
5024 if (res != NULL) {
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
5025 result = PyObject_IsTrue(res);
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
5026 Py_DECREF(res);
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
5027 }
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
5028 }
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
5029 else if (! PyErr_Occurred()) {
36866
9eb24f92a784 Change int to Py_ssize_t in several places.
Martin v. Löwis <martin@v.loewis.de>
parents: 36675
diff changeset
5030 /* Possible results: -1 and 1 */
9eb24f92a784 Change int to Py_ssize_t in several places.
Martin v. Löwis <martin@v.loewis.de>
parents: 36675
diff changeset
5031 result = (int)_PySequence_IterSearch(self, value,
28390
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
5032 PY_ITERSEARCH_CONTAINS);
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
5033 }
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
5034 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5035 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5036
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5037 #define slot_mp_length slot_sq_length
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5038
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5039 SLOT1(slot_mp_subscript, "__getitem__", PyObject *, "O")
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5040
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5041 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5042 slot_mp_ass_subscript(PyObject *self, PyObject *key, PyObject *value)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5043 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5044 PyObject *res;
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5045 static PyObject *delitem_str, *setitem_str;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5046
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5047 if (value == NULL)
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5048 res = call_method(self, "__delitem__", &delitem_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5049 "(O)", key);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5050 else
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5051 res = call_method(self, "__setitem__", &setitem_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5052 "(OO)", key, value);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5053 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5054 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5055 Py_DECREF(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5056 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5057 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5058
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5059 SLOT1BIN(slot_nb_add, nb_add, "__add__", "__radd__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5060 SLOT1BIN(slot_nb_subtract, nb_subtract, "__sub__", "__rsub__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5061 SLOT1BIN(slot_nb_multiply, nb_multiply, "__mul__", "__rmul__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5062 SLOT1BIN(slot_nb_divide, nb_divide, "__div__", "__rdiv__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5063 SLOT1BIN(slot_nb_remainder, nb_remainder, "__mod__", "__rmod__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5064 SLOT1BIN(slot_nb_divmod, nb_divmod, "__divmod__", "__rdivmod__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5065
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
5066 static PyObject *slot_nb_power(PyObject *, PyObject *, PyObject *);
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5067
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5068 SLOT1BINFULL(slot_nb_power_binary, slot_nb_power,
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5069 nb_power, "__pow__", "__rpow__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5070
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5071 static PyObject *
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5072 slot_nb_power(PyObject *self, PyObject *other, PyObject *modulus)
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5073 {
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5074 static PyObject *pow_str;
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5075
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5076 if (modulus == Py_None)
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5077 return slot_nb_power_binary(self, other);
23753
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
5078 /* Three-arg power doesn't use __rpow__. But ternary_op
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
5079 can call this when the second argument's type uses
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
5080 slot_nb_power, so check before calling self.__pow__. */
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
5081 if (Py_TYPE(self)->tp_as_number != NULL &&
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
5082 Py_TYPE(self)->tp_as_number->nb_power == slot_nb_power) {
23753
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
5083 return call_method(self, "__pow__", &pow_str,
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
5084 "(OO)", other, modulus);
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
5085 }
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
5086 Py_INCREF(Py_NotImplemented);
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
5087 return Py_NotImplemented;
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5088 }
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5089
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5090 SLOT0(slot_nb_negative, "__neg__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5091 SLOT0(slot_nb_positive, "__pos__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5092 SLOT0(slot_nb_absolute, "__abs__")
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5093
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5094 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5095 slot_nb_nonzero(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5096 {
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
5097 PyObject *func, *args;
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5098 static PyObject *nonzero_str, *len_str;
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
5099 int result = -1;
52176
de7e4716d9cb Fix a small nit in the error message if bool() falls back on __len__ and it returns the wrong type: it would tell the user that __nonzero__ should return bool or int.
Georg Brandl <georg@python.org>
parents: 51032
diff changeset
5100 int using_len = 0;
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5101
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5102 func = lookup_maybe(self, "__nonzero__", &nonzero_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5103 if (func == NULL) {
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5104 if (PyErr_Occurred())
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5105 return -1;
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5106 func = lookup_maybe(self, "__len__", &len_str);
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
5107 if (func == NULL)
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
5108 return PyErr_Occurred() ? -1 : 1;
52176
de7e4716d9cb Fix a small nit in the error message if bool() falls back on __len__ and it returns the wrong type: it would tell the user that __nonzero__ should return bool or int.
Georg Brandl <georg@python.org>
parents: 51032
diff changeset
5109 using_len = 1;
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
5110 }
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
5111 args = PyTuple_New(0);
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
5112 if (args != NULL) {
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
5113 PyObject *temp = PyObject_Call(func, args, NULL);
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
5114 Py_DECREF(args);
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
5115 if (temp != NULL) {
29611
cac855387b56 Require that __nonzero__() return a bool or exactly an int.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29607
diff changeset
5116 if (PyInt_CheckExact(temp) || PyBool_Check(temp))
29607
60b53db14aa3 Check return type of __nonzero__() method.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29442
diff changeset
5117 result = PyObject_IsTrue(temp);
60b53db14aa3 Check return type of __nonzero__() method.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29442
diff changeset
5118 else {
60b53db14aa3 Check return type of __nonzero__() method.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29442
diff changeset
5119 PyErr_Format(PyExc_TypeError,
52176
de7e4716d9cb Fix a small nit in the error message if bool() falls back on __len__ and it returns the wrong type: it would tell the user that __nonzero__ should return bool or int.
Georg Brandl <georg@python.org>
parents: 51032
diff changeset
5120 "%s should return "
29607
60b53db14aa3 Check return type of __nonzero__() method.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29442
diff changeset
5121 "bool or int, returned %s",
52176
de7e4716d9cb Fix a small nit in the error message if bool() falls back on __len__ and it returns the wrong type: it would tell the user that __nonzero__ should return bool or int.
Georg Brandl <georg@python.org>
parents: 51032
diff changeset
5122 (using_len ? "__len__"
de7e4716d9cb Fix a small nit in the error message if bool() falls back on __len__ and it returns the wrong type: it would tell the user that __nonzero__ should return bool or int.
Georg Brandl <georg@python.org>
parents: 51032
diff changeset
5123 : "__nonzero__"),
29607
60b53db14aa3 Check return type of __nonzero__() method.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29442
diff changeset
5124 temp->ob_type->tp_name);
29611
cac855387b56 Require that __nonzero__() return a bool or exactly an int.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29607
diff changeset
5125 result = -1;
29607
60b53db14aa3 Check return type of __nonzero__() method.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29442
diff changeset
5126 }
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
5127 Py_DECREF(temp);
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5128 }
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5129 }
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5130 Py_DECREF(func);
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
5131 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5132 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5133
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
5134
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39415
diff changeset
5135 static PyObject *
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
5136 slot_nb_index(PyObject *self)
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
5137 {
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
5138 static PyObject *index_str;
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39415
diff changeset
5139 return call_method(self, "__index__", &index_str, "()");
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
5140 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
5141
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
5142
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5143 SLOT0(slot_nb_invert, "__invert__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5144 SLOT1BIN(slot_nb_lshift, nb_lshift, "__lshift__", "__rlshift__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5145 SLOT1BIN(slot_nb_rshift, nb_rshift, "__rshift__", "__rrshift__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5146 SLOT1BIN(slot_nb_and, nb_and, "__and__", "__rand__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5147 SLOT1BIN(slot_nb_xor, nb_xor, "__xor__", "__rxor__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5148 SLOT1BIN(slot_nb_or, nb_or, "__or__", "__ror__")
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5149
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5150 static int
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5151 slot_nb_coerce(PyObject **a, PyObject **b)
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5152 {
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5153 static PyObject *coerce_str;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5154 PyObject *self = *a, *other = *b;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5155
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5156 if (self->ob_type->tp_as_number != NULL &&
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5157 self->ob_type->tp_as_number->nb_coerce == slot_nb_coerce) {
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5158 PyObject *r;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5159 r = call_maybe(
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5160 self, "__coerce__", &coerce_str, "(O)", other);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5161 if (r == NULL)
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5162 return -1;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5163 if (r == Py_NotImplemented) {
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5164 Py_DECREF(r);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5165 }
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5166 else {
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5167 if (!PyTuple_Check(r) || PyTuple_GET_SIZE(r) != 2) {
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5168 PyErr_SetString(PyExc_TypeError,
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5169 "__coerce__ didn't return a 2-tuple");
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5170 Py_DECREF(r);
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5171 return -1;
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5172 }
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5173 *a = PyTuple_GET_ITEM(r, 0);
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5174 Py_INCREF(*a);
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5175 *b = PyTuple_GET_ITEM(r, 1);
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5176 Py_INCREF(*b);
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5177 Py_DECREF(r);
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
5178 return 0;
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5179 }
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5180 }
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5181 if (other->ob_type->tp_as_number != NULL &&
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5182 other->ob_type->tp_as_number->nb_coerce == slot_nb_coerce) {
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5183 PyObject *r;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5184 r = call_maybe(
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5185 other, "__coerce__", &coerce_str, "(O)", self);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5186 if (r == NULL)
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5187 return -1;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5188 if (r == Py_NotImplemented) {
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5189 Py_DECREF(r);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5190 return 1;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5191 }
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5192 if (!PyTuple_Check(r) || PyTuple_GET_SIZE(r) != 2) {
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5193 PyErr_SetString(PyExc_TypeError,
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5194 "__coerce__ didn't return a 2-tuple");
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5195 Py_DECREF(r);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5196 return -1;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5197 }
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5198 *a = PyTuple_GET_ITEM(r, 1);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5199 Py_INCREF(*a);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5200 *b = PyTuple_GET_ITEM(r, 0);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5201 Py_INCREF(*b);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5202 Py_DECREF(r);
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5203 return 0;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5204 }
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5205 return 1;
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5206 }
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
5207
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5208 SLOT0(slot_nb_int, "__int__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5209 SLOT0(slot_nb_long, "__long__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5210 SLOT0(slot_nb_float, "__float__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5211 SLOT0(slot_nb_oct, "__oct__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5212 SLOT0(slot_nb_hex, "__hex__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5213 SLOT1(slot_nb_inplace_add, "__iadd__", PyObject *, "O")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5214 SLOT1(slot_nb_inplace_subtract, "__isub__", PyObject *, "O")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5215 SLOT1(slot_nb_inplace_multiply, "__imul__", PyObject *, "O")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5216 SLOT1(slot_nb_inplace_divide, "__idiv__", PyObject *, "O")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5217 SLOT1(slot_nb_inplace_remainder, "__imod__", PyObject *, "O")
40777
f6f391d1d050 Bug #1653736: Properly discard third argument to slot_nb_inplace_power.
Martin v. Löwis <martin@v.loewis.de>
parents: 40707
diff changeset
5218 /* Can't use SLOT1 here, because nb_inplace_power is ternary */
f6f391d1d050 Bug #1653736: Properly discard third argument to slot_nb_inplace_power.
Martin v. Löwis <martin@v.loewis.de>
parents: 40707
diff changeset
5219 static PyObject *
f6f391d1d050 Bug #1653736: Properly discard third argument to slot_nb_inplace_power.
Martin v. Löwis <martin@v.loewis.de>
parents: 40707
diff changeset
5220 slot_nb_inplace_power(PyObject *self, PyObject * arg1, PyObject *arg2)
f6f391d1d050 Bug #1653736: Properly discard third argument to slot_nb_inplace_power.
Martin v. Löwis <martin@v.loewis.de>
parents: 40707
diff changeset
5221 {
f6f391d1d050 Bug #1653736: Properly discard third argument to slot_nb_inplace_power.
Martin v. Löwis <martin@v.loewis.de>
parents: 40707
diff changeset
5222 static PyObject *cache_str;
f6f391d1d050 Bug #1653736: Properly discard third argument to slot_nb_inplace_power.
Martin v. Löwis <martin@v.loewis.de>
parents: 40707
diff changeset
5223 return call_method(self, "__ipow__", &cache_str, "(" "O" ")", arg1);
f6f391d1d050 Bug #1653736: Properly discard third argument to slot_nb_inplace_power.
Martin v. Löwis <martin@v.loewis.de>
parents: 40707
diff changeset
5224 }
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5225 SLOT1(slot_nb_inplace_lshift, "__ilshift__", PyObject *, "O")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5226 SLOT1(slot_nb_inplace_rshift, "__irshift__", PyObject *, "O")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5227 SLOT1(slot_nb_inplace_and, "__iand__", PyObject *, "O")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5228 SLOT1(slot_nb_inplace_xor, "__ixor__", PyObject *, "O")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5229 SLOT1(slot_nb_inplace_or, "__ior__", PyObject *, "O")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5230 SLOT1BIN(slot_nb_floor_divide, nb_floor_divide,
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5231 "__floordiv__", "__rfloordiv__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5232 SLOT1BIN(slot_nb_true_divide, nb_true_divide, "__truediv__", "__rtruediv__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5233 SLOT1(slot_nb_inplace_floor_divide, "__ifloordiv__", PyObject *, "O")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
5234 SLOT1(slot_nb_inplace_true_divide, "__itruediv__", PyObject *, "O")
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5235
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5236 static int
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5237 half_compare(PyObject *self, PyObject *other)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5238 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5239 PyObject *func, *args, *res;
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5240 static PyObject *cmp_str;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5241 Py_ssize_t c;
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5242
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5243 func = lookup_method(self, "__cmp__", &cmp_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5244 if (func == NULL) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5245 PyErr_Clear();
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5246 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5247 else {
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
5248 args = PyTuple_Pack(1, other);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5249 if (args == NULL)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5250 res = NULL;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5251 else {
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5252 res = PyObject_Call(func, args, NULL);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5253 Py_DECREF(args);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5254 }
23967
1a8096bb4c48 Fix SF bug 572567: Memory leak in object comparison.
Raymond Hettinger <python@rcn.com>
parents: 23950
diff changeset
5255 Py_DECREF(func);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5256 if (res != Py_NotImplemented) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5257 if (res == NULL)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5258 return -2;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5259 c = PyInt_AsLong(res);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5260 Py_DECREF(res);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5261 if (c == -1 && PyErr_Occurred())
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5262 return -2;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5263 return (c < 0) ? -1 : (c > 0) ? 1 : 0;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5264 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5265 Py_DECREF(res);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5266 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5267 return 2;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5268 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5269
19970
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19964
diff changeset
5270 /* This slot is published for the benefit of try_3way_compare in object.c */
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19964
diff changeset
5271 int
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19964
diff changeset
5272 _PyObject_SlotCompare(PyObject *self, PyObject *other)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5273 {
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5274 int c;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5275
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
5276 if (Py_TYPE(self)->tp_compare == _PyObject_SlotCompare) {
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5277 c = half_compare(self, other);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5278 if (c <= 1)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5279 return c;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5280 }
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
5281 if (Py_TYPE(other)->tp_compare == _PyObject_SlotCompare) {
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5282 c = half_compare(other, self);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5283 if (c < -1)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5284 return -2;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5285 if (c <= 1)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5286 return -c;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5287 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5288 return (void *)self < (void *)other ? -1 :
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5289 (void *)self > (void *)other ? 1 : 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5290 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5291
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5292 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5293 slot_tp_repr(PyObject *self)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5294 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5295 PyObject *func, *res;
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5296 static PyObject *repr_str;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5297
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5298 func = lookup_method(self, "__repr__", &repr_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5299 if (func != NULL) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5300 res = PyEval_CallObject(func, NULL);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5301 Py_DECREF(func);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5302 return res;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5303 }
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
5304 PyErr_Clear();
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
5305 return PyString_FromFormat("<%s object at %p>",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
5306 Py_TYPE(self)->tp_name, self);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5307 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5308
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5309 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5310 slot_tp_str(PyObject *self)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5311 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5312 PyObject *func, *res;
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5313 static PyObject *str_str;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5314
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5315 func = lookup_method(self, "__str__", &str_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5316 if (func != NULL) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5317 res = PyEval_CallObject(func, NULL);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5318 Py_DECREF(func);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5319 return res;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5320 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5321 else {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5322 PyErr_Clear();
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5323 return slot_tp_repr(self);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5324 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5325 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5326
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5327 static long
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5328 slot_tp_hash(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5329 {
26559
0dbf98ee118e slot_tp_hash(): In the normal path, this leaked a reference to the
Tim Peters <tim.peters@gmail.com>
parents: 26448
diff changeset
5330 PyObject *func;
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5331 static PyObject *hash_str, *eq_str, *cmp_str;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5332 long h;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5333
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5334 func = lookup_method(self, "__hash__", &hash_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5335
44357
174e0bcb2c3c Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents: 44350
diff changeset
5336 if (func != NULL && func != Py_None) {
26559
0dbf98ee118e slot_tp_hash(): In the normal path, this leaked a reference to the
Tim Peters <tim.peters@gmail.com>
parents: 26448
diff changeset
5337 PyObject *res = PyEval_CallObject(func, NULL);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5338 Py_DECREF(func);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5339 if (res == NULL)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5340 return -1;
39410
5b9692f6629f __hash__ may now return long int; the final hash
Martin v. Löwis <martin@v.loewis.de>
parents: 39367
diff changeset
5341 if (PyLong_Check(res))
39415
9a8081cf4a70 Fix and test for an infinite C recursion.
Armin Rigo <arigo@tunes.org>
parents: 39410
diff changeset
5342 h = PyLong_Type.tp_hash(res);
39410
5b9692f6629f __hash__ may now return long int; the final hash
Martin v. Löwis <martin@v.loewis.de>
parents: 39367
diff changeset
5343 else
5b9692f6629f __hash__ may now return long int; the final hash
Martin v. Löwis <martin@v.loewis.de>
parents: 39367
diff changeset
5344 h = PyInt_AsLong(res);
26559
0dbf98ee118e slot_tp_hash(): In the normal path, this leaked a reference to the
Tim Peters <tim.peters@gmail.com>
parents: 26448
diff changeset
5345 Py_DECREF(res);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5346 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5347 else {
44365
8dead6f81bae Fix refleak introduced in r59576.
Georg Brandl <georg@python.org>
parents: 44357
diff changeset
5348 Py_XDECREF(func); /* may be None */
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5349 PyErr_Clear();
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5350 func = lookup_method(self, "__eq__", &eq_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5351 if (func == NULL) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5352 PyErr_Clear();
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5353 func = lookup_method(self, "__cmp__", &cmp_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5354 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5355 if (func != NULL) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5356 Py_DECREF(func);
47961
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
5357 return PyObject_HashNotImplemented(self);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5358 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5359 PyErr_Clear();
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5360 h = _Py_HashPointer((void *)self);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5361 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5362 if (h == -1 && !PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5363 h = -2;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5364 return h;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5365 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5366
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5367 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5368 slot_tp_call(PyObject *self, PyObject *args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5369 {
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5370 static PyObject *call_str;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5371 PyObject *meth = lookup_method(self, "__call__", &call_str);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5372 PyObject *res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5373
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5374 if (meth == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5375 return NULL;
38904
506c76847ec7 Fix for an obscure bug introduced by revs 46806 and 46808, with a test.
Armin Rigo <arigo@tunes.org>
parents: 38871
diff changeset
5376
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5377 res = PyObject_Call(meth, args, kwds);
38904
506c76847ec7 Fix for an obscure bug introduced by revs 46806 and 46808, with a test.
Armin Rigo <arigo@tunes.org>
parents: 38871
diff changeset
5378
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5379 Py_DECREF(meth);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5380 return res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5381 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5382
20499
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5383 /* There are two slot dispatch functions for tp_getattro.
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5384
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5385 - slot_tp_getattro() is used when __getattribute__ is overridden
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5386 but no __getattr__ hook is present;
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5387
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5388 - slot_tp_getattr_hook() is used when a __getattr__ hook is present.
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5389
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5390 The code in update_one_slot() always installs slot_tp_getattr_hook(); this
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5391 detects the absence of __getattr__ and then installs the simpler slot if
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5392 necessary. */
20499
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5393
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5394 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5395 slot_tp_getattro(PyObject *self, PyObject *name)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5396 {
20499
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5397 static PyObject *getattribute_str = NULL;
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5398 return call_method(self, "__getattribute__", &getattribute_str,
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5399 "(O)", name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5400 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5401
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5402 static PyObject *
49741
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5403 call_attribute(PyObject *self, PyObject *attr, PyObject *name)
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5404 {
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5405 PyObject *res, *descr = NULL;
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5406 descrgetfunc f = Py_TYPE(attr)->tp_descr_get;
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5407
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5408 if (f != NULL) {
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5409 descr = f(attr, self, (PyObject *)(Py_TYPE(self)));
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5410 if (descr == NULL)
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5411 return NULL;
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5412 else
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5413 attr = descr;
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5414 }
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5415 res = PyObject_CallFunctionObjArgs(attr, name, NULL);
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5416 Py_XDECREF(descr);
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5417 return res;
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5418 }
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5419
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5420 static PyObject *
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5421 slot_tp_getattr_hook(PyObject *self, PyObject *name)
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5422 {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
5423 PyTypeObject *tp = Py_TYPE(self);
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5424 PyObject *getattr, *getattribute, *res;
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5425 static PyObject *getattribute_str = NULL;
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5426 static PyObject *getattr_str = NULL;
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5427
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5428 if (getattr_str == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
5429 getattr_str = PyString_InternFromString("__getattr__");
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5430 if (getattr_str == NULL)
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5431 return NULL;
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5432 }
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5433 if (getattribute_str == NULL) {
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5434 getattribute_str =
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
5435 PyString_InternFromString("__getattribute__");
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5436 if (getattribute_str == NULL)
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5437 return NULL;
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5438 }
49741
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5439 /* speed hack: we could use lookup_maybe, but that would resolve the
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5440 method fully for each attribute lookup for classes with
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5441 __getattr__, even when the attribute is present. So we use
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5442 _PyType_Lookup and create the method only when needed, with
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5443 call_attribute. */
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5444 getattr = _PyType_Lookup(tp, getattr_str);
20499
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5445 if (getattr == NULL) {
20423
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5446 /* No __getattr__ hook: use a simpler dispatcher */
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5447 tp->tp_getattro = slot_tp_getattro;
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5448 return slot_tp_getattro(self, name);
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5449 }
49741
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5450 Py_INCREF(getattr);
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5451 /* speed hack: we could use lookup_maybe, but that would resolve the
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5452 method fully for each attribute lookup for classes with
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5453 __getattr__, even when self has the default __getattribute__
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5454 method. So we use _PyType_Lookup and create the method only when
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5455 needed, with call_attribute. */
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5456 getattribute = _PyType_Lookup(tp, getattribute_str);
20499
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5457 if (getattribute == NULL ||
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
5458 (Py_TYPE(getattribute) == &PyWrapperDescr_Type &&
20499
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5459 ((PyWrapperDescrObject *)getattribute)->d_wrapped ==
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5460 (void *)PyObject_GenericGetAttr))
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5461 res = PyObject_GenericGetAttr(self, name);
49741
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5462 else {
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5463 Py_INCREF(getattribute);
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5464 res = call_attribute(self, getattribute, name);
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5465 Py_DECREF(getattribute);
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5466 }
20499
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5467 if (res == NULL && PyErr_ExceptionMatches(PyExc_AttributeError)) {
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5468 PyErr_Clear();
49741
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5469 res = call_attribute(self, getattr, name);
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5470 }
73b9fe1c5397 Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48876
diff changeset
5471 Py_DECREF(getattr);
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5472 return res;
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5473 }
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5474
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5475 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5476 slot_tp_setattro(PyObject *self, PyObject *name, PyObject *value)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5477 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5478 PyObject *res;
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5479 static PyObject *delattr_str, *setattr_str;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5480
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5481 if (value == NULL)
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5482 res = call_method(self, "__delattr__", &delattr_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5483 "(O)", name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5484 else
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5485 res = call_method(self, "__setattr__", &setattr_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5486 "(OO)", name, value);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5487 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5488 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5489 Py_DECREF(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5490 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5491 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5492
44357
174e0bcb2c3c Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents: 44350
diff changeset
5493 static char *name_op[] = {
174e0bcb2c3c Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents: 44350
diff changeset
5494 "__lt__",
174e0bcb2c3c Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents: 44350
diff changeset
5495 "__le__",
174e0bcb2c3c Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents: 44350
diff changeset
5496 "__eq__",
174e0bcb2c3c Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents: 44350
diff changeset
5497 "__ne__",
174e0bcb2c3c Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents: 44350
diff changeset
5498 "__gt__",
174e0bcb2c3c Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents: 44350
diff changeset
5499 "__ge__",
174e0bcb2c3c Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents: 44350
diff changeset
5500 };
174e0bcb2c3c Patch #1549 by Thomas Herve.
Guido van Rossum <guido@python.org>
parents: 44350
diff changeset
5501
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5502 static PyObject *
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5503 half_richcompare(PyObject *self, PyObject *other, int op)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5504 {
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5505 PyObject *func, *args, *res;
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5506 static PyObject *op_str[6];
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5507
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5508 func = lookup_method(self, name_op[op], &op_str[op]);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5509 if (func == NULL) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5510 PyErr_Clear();
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5511 Py_INCREF(Py_NotImplemented);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5512 return Py_NotImplemented;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5513 }
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
5514 args = PyTuple_Pack(1, other);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5515 if (args == NULL)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5516 res = NULL;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5517 else {
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5518 res = PyObject_Call(func, args, NULL);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5519 Py_DECREF(args);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5520 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5521 Py_DECREF(func);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5522 return res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5523 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5524
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5525 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5526 slot_tp_richcompare(PyObject *self, PyObject *other, int op)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5527 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5528 PyObject *res;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5529
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
5530 if (Py_TYPE(self)->tp_richcompare == slot_tp_richcompare) {
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5531 res = half_richcompare(self, other, op);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5532 if (res != Py_NotImplemented)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5533 return res;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5534 Py_DECREF(res);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5535 }
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
5536 if (Py_TYPE(other)->tp_richcompare == slot_tp_richcompare) {
33541
781aef974463 A static swapped_op[] array was defined in 3 different C files, & I think
Tim Peters <tim.peters@gmail.com>
parents: 33174
diff changeset
5537 res = half_richcompare(other, self, _Py_SwappedOp[op]);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5538 if (res != Py_NotImplemented) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5539 return res;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5540 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5541 Py_DECREF(res);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5542 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5543 Py_INCREF(Py_NotImplemented);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5544 return Py_NotImplemented;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5545 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5546
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5547 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5548 slot_tp_iter(PyObject *self)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5549 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5550 PyObject *func, *res;
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5551 static PyObject *iter_str, *getitem_str;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5552
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5553 func = lookup_method(self, "__iter__", &iter_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5554 if (func != NULL) {
24867
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5555 PyObject *args;
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5556 args = res = PyTuple_New(0);
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5557 if (args != NULL) {
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5558 res = PyObject_Call(func, args, NULL);
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5559 Py_DECREF(args);
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5560 }
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5561 Py_DECREF(func);
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5562 return res;
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5563 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5564 PyErr_Clear();
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5565 func = lookup_method(self, "__getitem__", &getitem_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5566 if (func == NULL) {
38871
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38314
diff changeset
5567 PyErr_Format(PyExc_TypeError,
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38314
diff changeset
5568 "'%.200s' object is not iterable",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
5569 Py_TYPE(self)->tp_name);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5570 return NULL;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5571 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5572 Py_DECREF(func);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5573 return PySeqIter_New(self);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5574 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5575
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5576 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5577 slot_tp_iternext(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5578 {
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5579 static PyObject *next_str;
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5580 return call_method(self, "next", &next_str, "()");
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5581 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5582
19339
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5583 static PyObject *
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5584 slot_tp_descr_get(PyObject *self, PyObject *obj, PyObject *type)
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5585 {
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
5586 PyTypeObject *tp = Py_TYPE(self);
19339
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5587 PyObject *get;
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5588 static PyObject *get_str = NULL;
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5589
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5590 if (get_str == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
5591 get_str = PyString_InternFromString("__get__");
19339
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5592 if (get_str == NULL)
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5593 return NULL;
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5594 }
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5595 get = _PyType_Lookup(tp, get_str);
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5596 if (get == NULL) {
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5597 /* Avoid further slowdowns */
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5598 if (tp->tp_descr_get == slot_tp_descr_get)
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5599 tp->tp_descr_get = NULL;
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5600 Py_INCREF(self);
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5601 return self;
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5602 }
19464
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5603 if (obj == NULL)
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5604 obj = Py_None;
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5605 if (type == NULL)
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5606 type = Py_None;
38314
1fdf29a88f0e Replace PyObject_CallFunction calls with only object args
Georg Brandl <georg@python.org>
parents: 37880
diff changeset
5607 return PyObject_CallFunctionObjArgs(get, self, obj, type, NULL);
19339
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5608 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5609
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5610 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5611 slot_tp_descr_set(PyObject *self, PyObject *target, PyObject *value)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5612 {
19464
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5613 PyObject *res;
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5614 static PyObject *del_str, *set_str;
19464
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5615
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5616 if (value == NULL)
21142
842b280421ba Fix for SF bug #485678.
Guido van Rossum <guido@python.org>
parents: 20978
diff changeset
5617 res = call_method(self, "__delete__", &del_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5618 "(O)", target);
19464
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5619 else
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5620 res = call_method(self, "__set__", &set_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5621 "(OO)", target, value);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5622 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5623 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5624 Py_DECREF(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5625 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5626 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5627
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5628 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5629 slot_tp_init(PyObject *self, PyObject *args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5630 {
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5631 static PyObject *init_str;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5632 PyObject *meth = lookup_method(self, "__init__", &init_str);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5633 PyObject *res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5634
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5635 if (meth == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5636 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5637 res = PyObject_Call(meth, args, kwds);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5638 Py_DECREF(meth);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5639 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5640 return -1;
34668
9b3a2c4302aa SF bug #1155938: Missing None check for __init__().
Raymond Hettinger <python@rcn.com>
parents: 33541
diff changeset
5641 if (res != Py_None) {
38871
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38314
diff changeset
5642 PyErr_Format(PyExc_TypeError,
a3c61c648fc8 Patch #1507676: improve exception messages in abstract.c, object.c and typeobject.c.
Georg Brandl <georg@python.org>
parents: 38314
diff changeset
5643 "__init__() should return None, not '%.200s'",
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
5644 Py_TYPE(res)->tp_name);
34668
9b3a2c4302aa SF bug #1155938: Missing None check for __init__().
Raymond Hettinger <python@rcn.com>
parents: 33541
diff changeset
5645 Py_DECREF(res);
9b3a2c4302aa SF bug #1155938: Missing None check for __init__().
Raymond Hettinger <python@rcn.com>
parents: 33541
diff changeset
5646 return -1;
9b3a2c4302aa SF bug #1155938: Missing None check for __init__().
Raymond Hettinger <python@rcn.com>
parents: 33541
diff changeset
5647 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5648 Py_DECREF(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5649 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5650 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5651
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5652 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5653 slot_tp_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5654 {
24680
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5655 static PyObject *new_str;
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5656 PyObject *func;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5657 PyObject *newargs, *x;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5658 Py_ssize_t i, n;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5659
24680
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5660 if (new_str == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
5661 new_str = PyString_InternFromString("__new__");
24680
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5662 if (new_str == NULL)
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5663 return NULL;
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5664 }
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5665 func = PyObject_GetAttr((PyObject *)type, new_str);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5666 if (func == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5667 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5668 assert(PyTuple_Check(args));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5669 n = PyTuple_GET_SIZE(args);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5670 newargs = PyTuple_New(n+1);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5671 if (newargs == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5672 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5673 Py_INCREF(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5674 PyTuple_SET_ITEM(newargs, 0, (PyObject *)type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5675 for (i = 0; i < n; i++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5676 x = PyTuple_GET_ITEM(args, i);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5677 Py_INCREF(x);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5678 PyTuple_SET_ITEM(newargs, i+1, x);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5679 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5680 x = PyObject_Call(func, newargs, kwds);
20195
3408d929bb94 slot_tp_new(): newargs was leaking.
Guido van Rossum <guido@python.org>
parents: 20190
diff changeset
5681 Py_DECREF(newargs);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5682 Py_DECREF(func);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5683 return x;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5684 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5685
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5686 static void
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5687 slot_tp_del(PyObject *self)
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5688 {
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5689 static PyObject *del_str = NULL;
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5690 PyObject *del, *res;
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5691 PyObject *error_type, *error_value, *error_traceback;
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5692
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5693 /* Temporarily resurrect the object. */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5694 assert(self->ob_refcnt == 0);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5695 self->ob_refcnt = 1;
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5696
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5697 /* Save the current exception, if any. */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5698 PyErr_Fetch(&error_type, &error_value, &error_traceback);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5699
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5700 /* Execute __del__ method, if any. */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5701 del = lookup_maybe(self, "__del__", &del_str);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5702 if (del != NULL) {
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5703 res = PyEval_CallObject(del, NULL);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5704 if (res == NULL)
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5705 PyErr_WriteUnraisable(del);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5706 else
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5707 Py_DECREF(res);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5708 Py_DECREF(del);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5709 }
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5710
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5711 /* Restore the saved exception. */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5712 PyErr_Restore(error_type, error_value, error_traceback);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5713
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5714 /* Undo the temporary resurrection; can't use DECREF here, it would
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5715 * cause a recursive call.
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5716 */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5717 assert(self->ob_refcnt > 0);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5718 if (--self->ob_refcnt == 0)
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5719 return; /* this is the normal path out */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5720
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5721 /* __del__ resurrected it! Make it look like the original Py_DECREF
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5722 * never happened.
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5723 */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5724 {
36866
9eb24f92a784 Change int to Py_ssize_t in several places.
Martin v. Löwis <martin@v.loewis.de>
parents: 36675
diff changeset
5725 Py_ssize_t refcnt = self->ob_refcnt;
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5726 _Py_NewReference(self);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5727 self->ob_refcnt = refcnt;
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5728 }
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
5729 assert(!PyType_IS_GC(Py_TYPE(self)) ||
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5730 _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
32916
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 32407
diff changeset
5731 /* If Py_REF_DEBUG, _Py_NewReference bumped _Py_RefTotal, so
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 32407
diff changeset
5732 * we need to undo that. */
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 32407
diff changeset
5733 _Py_DEC_REFTOTAL;
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 32407
diff changeset
5734 /* If Py_TRACE_REFS, _Py_NewReference re-added self to the object
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 32407
diff changeset
5735 * chain, so no more to do there.
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5736 * If COUNT_ALLOCS, the original decref bumped tp_frees, and
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5737 * _Py_NewReference bumped tp_allocs: both of those need to be
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5738 * undone.
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5739 */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5740 #ifdef COUNT_ALLOCS
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
5741 --Py_TYPE(self)->tp_frees;
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
5742 --Py_TYPE(self)->tp_allocs;
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5743 #endif
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5744 }
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5745
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5746
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5747 /* Table mapping __foo__ names to tp_foo offsets and slot_tp_foo wrapper
28390
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
5748 functions. The offsets here are relative to the 'PyHeapTypeObject'
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5749 structure, which incorporates the additional structures used for numbers,
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5750 sequences and mappings.
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5751 Note that multiple names may map to the same slot (e.g. __eq__,
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5752 __ne__ etc. all map to tp_richcompare) and one name may map to multiple
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5753 slots (e.g. __str__ affects tp_str as well as tp_repr). The table is
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5754 terminated with an all-zero entry. (This table is further initialized and
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5755 sorted in init_slotdefs() below.) */
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5756
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5757 typedef struct wrapperbase slotdef;
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5758
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5759 #undef TPSLOT
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5760 #undef FLSLOT
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5761 #undef ETSLOT
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5762 #undef SQSLOT
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5763 #undef MPSLOT
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5764 #undef NBSLOT
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5765 #undef UNSLOT
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5766 #undef IBSLOT
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5767 #undef BINSLOT
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5768 #undef RBINSLOT
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5769
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5770 #define TPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
24789
fcbde226545c Allow docstrings to be removed during compilation for *SLOT macro and friends
Neal Norwitz <nnorwitz@gmail.com>
parents: 24785
diff changeset
5771 {NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
fcbde226545c Allow docstrings to be removed during compilation for *SLOT macro and friends
Neal Norwitz <nnorwitz@gmail.com>
parents: 24785
diff changeset
5772 PyDoc_STR(DOC)}
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5773 #define FLSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC, FLAGS) \
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5774 {NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
24789
fcbde226545c Allow docstrings to be removed during compilation for *SLOT macro and friends
Neal Norwitz <nnorwitz@gmail.com>
parents: 24785
diff changeset
5775 PyDoc_STR(DOC), FLAGS}
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5776 #define ETSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5777 {NAME, offsetof(PyHeapTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
24789
fcbde226545c Allow docstrings to be removed during compilation for *SLOT macro and friends
Neal Norwitz <nnorwitz@gmail.com>
parents: 24785
diff changeset
5778 PyDoc_STR(DOC)}
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5779 #define SQSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5780 ETSLOT(NAME, as_sequence.SLOT, FUNCTION, WRAPPER, DOC)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5781 #define MPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5782 ETSLOT(NAME, as_mapping.SLOT, FUNCTION, WRAPPER, DOC)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5783 #define NBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5784 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, DOC)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5785 #define UNSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5786 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5787 "x." NAME "() <==> " DOC)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5788 #define IBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5789 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5790 "x." NAME "(y) <==> x" DOC "y")
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5791 #define BINSLOT(NAME, SLOT, FUNCTION, DOC) \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5792 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5793 "x." NAME "(y) <==> x" DOC "y")
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5794 #define RBINSLOT(NAME, SLOT, FUNCTION, DOC) \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5795 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5796 "x." NAME "(y) <==> y" DOC "x")
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5797 #define BINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5798 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5799 "x." NAME "(y) <==> " DOC)
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5800 #define RBINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5801 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5802 "x." NAME "(y) <==> " DOC)
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5803
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5804 static slotdef slotdefs[] = {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5805 SQSLOT("__len__", sq_length, slot_sq_length, wrap_lenfunc,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5806 "x.__len__() <==> len(x)"),
36150
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5807 /* Heap types defining __add__/__mul__ have sq_concat/sq_repeat == NULL.
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5808 The logic in abstract.c always falls back to nb_add/nb_multiply in
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5809 this case. Defining both the nb_* and the sq_* slots to call the
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5810 user-defined methods has unexpected side-effects, as shown by
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5811 test_descr.notimplemented() */
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5812 SQSLOT("__add__", sq_concat, NULL, wrap_binaryfunc,
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
5813 "x.__add__(y) <==> x+y"),
37308
aaa04bfafc58 Minor bugs in the __index__ code (PEP 357), with tests.
Armin Rigo <arigo@tunes.org>
parents: 37304
diff changeset
5814 SQSLOT("__mul__", sq_repeat, NULL, wrap_indexargfunc,
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
5815 "x.__mul__(n) <==> x*n"),
37308
aaa04bfafc58 Minor bugs in the __index__ code (PEP 357), with tests.
Armin Rigo <arigo@tunes.org>
parents: 37304
diff changeset
5816 SQSLOT("__rmul__", sq_repeat, NULL, wrap_indexargfunc,
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
5817 "x.__rmul__(n) <==> n*x"),
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5818 SQSLOT("__getitem__", sq_item, slot_sq_item, wrap_sq_item,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5819 "x.__getitem__(y) <==> x[y]"),
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5820 SQSLOT("__getslice__", sq_slice, slot_sq_slice, wrap_ssizessizeargfunc,
29172
9ae17b3779bb Fix docstrings for __(get|set|del)slice__ to mention that negative indices are not supported.
Brett Cannon <bcannon@gmail.com>
parents: 29066
diff changeset
5821 "x.__getslice__(i, j) <==> x[i:j]\n\
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
5822 \n\
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
5823 Use of negative indices is not supported."),
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5824 SQSLOT("__setitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_setitem,
29173
421ffd7c57af Fixing the previous patch to have the changes be to the proper docstrings.
Brett Cannon <bcannon@gmail.com>
parents: 29172
diff changeset
5825 "x.__setitem__(i, y) <==> x[i]=y"),
421ffd7c57af Fixing the previous patch to have the changes be to the proper docstrings.
Brett Cannon <bcannon@gmail.com>
parents: 29172
diff changeset
5826 SQSLOT("__delitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_delitem,
421ffd7c57af Fixing the previous patch to have the changes be to the proper docstrings.
Brett Cannon <bcannon@gmail.com>
parents: 29172
diff changeset
5827 "x.__delitem__(y) <==> del x[y]"),
421ffd7c57af Fixing the previous patch to have the changes be to the proper docstrings.
Brett Cannon <bcannon@gmail.com>
parents: 29172
diff changeset
5828 SQSLOT("__setslice__", sq_ass_slice, slot_sq_ass_slice,
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5829 wrap_ssizessizeobjargproc,
29173
421ffd7c57af Fixing the previous patch to have the changes be to the proper docstrings.
Brett Cannon <bcannon@gmail.com>
parents: 29172
diff changeset
5830 "x.__setslice__(i, j, y) <==> x[i:j]=y\n\
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
5831 \n\
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
5832 Use of negative indices is not supported."),
29173
421ffd7c57af Fixing the previous patch to have the changes be to the proper docstrings.
Brett Cannon <bcannon@gmail.com>
parents: 29172
diff changeset
5833 SQSLOT("__delslice__", sq_ass_slice, slot_sq_ass_slice, wrap_delslice,
421ffd7c57af Fixing the previous patch to have the changes be to the proper docstrings.
Brett Cannon <bcannon@gmail.com>
parents: 29172
diff changeset
5834 "x.__delslice__(i, j) <==> del x[i:j]\n\
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
5835 \n\
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
5836 Use of negative indices is not supported."),
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5837 SQSLOT("__contains__", sq_contains, slot_sq_contains, wrap_objobjproc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5838 "x.__contains__(y) <==> y in x"),
36150
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5839 SQSLOT("__iadd__", sq_inplace_concat, NULL,
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
5840 wrap_binaryfunc, "x.__iadd__(y) <==> x+=y"),
36150
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5841 SQSLOT("__imul__", sq_inplace_repeat, NULL,
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
5842 wrap_indexargfunc, "x.__imul__(y) <==> x*=y"),
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5843
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5844 MPSLOT("__len__", mp_length, slot_mp_length, wrap_lenfunc,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5845 "x.__len__() <==> len(x)"),
20345
67a7a99f2d5a The slot definition table entry for mp_getitem had a bogus wrapper
Guido van Rossum <guido@python.org>
parents: 20343
diff changeset
5846 MPSLOT("__getitem__", mp_subscript, slot_mp_subscript,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5847 wrap_binaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5848 "x.__getitem__(y) <==> x[y]"),
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5849 MPSLOT("__setitem__", mp_ass_subscript, slot_mp_ass_subscript,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5850 wrap_objobjargproc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5851 "x.__setitem__(i, y) <==> x[i]=y"),
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5852 MPSLOT("__delitem__", mp_ass_subscript, slot_mp_ass_subscript,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5853 wrap_delitem,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5854 "x.__delitem__(y) <==> del x[y]"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5855
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5856 BINSLOT("__add__", nb_add, slot_nb_add,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5857 "+"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5858 RBINSLOT("__radd__", nb_add, slot_nb_add,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5859 "+"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5860 BINSLOT("__sub__", nb_subtract, slot_nb_subtract,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5861 "-"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5862 RBINSLOT("__rsub__", nb_subtract, slot_nb_subtract,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5863 "-"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5864 BINSLOT("__mul__", nb_multiply, slot_nb_multiply,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5865 "*"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5866 RBINSLOT("__rmul__", nb_multiply, slot_nb_multiply,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5867 "*"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5868 BINSLOT("__div__", nb_divide, slot_nb_divide,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5869 "/"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5870 RBINSLOT("__rdiv__", nb_divide, slot_nb_divide,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5871 "/"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5872 BINSLOT("__mod__", nb_remainder, slot_nb_remainder,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5873 "%"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5874 RBINSLOT("__rmod__", nb_remainder, slot_nb_remainder,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5875 "%"),
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5876 BINSLOTNOTINFIX("__divmod__", nb_divmod, slot_nb_divmod,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5877 "divmod(x, y)"),
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5878 RBINSLOTNOTINFIX("__rdivmod__", nb_divmod, slot_nb_divmod,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5879 "divmod(y, x)"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5880 NBSLOT("__pow__", nb_power, slot_nb_power, wrap_ternaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5881 "x.__pow__(y[, z]) <==> pow(x, y[, z])"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5882 NBSLOT("__rpow__", nb_power, slot_nb_power, wrap_ternaryfunc_r,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5883 "y.__rpow__(x[, z]) <==> pow(x, y[, z])"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5884 UNSLOT("__neg__", nb_negative, slot_nb_negative, wrap_unaryfunc, "-x"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5885 UNSLOT("__pos__", nb_positive, slot_nb_positive, wrap_unaryfunc, "+x"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5886 UNSLOT("__abs__", nb_absolute, slot_nb_absolute, wrap_unaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5887 "abs(x)"),
30670
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
5888 UNSLOT("__nonzero__", nb_nonzero, slot_nb_nonzero, wrap_inquirypred,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5889 "x != 0"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5890 UNSLOT("__invert__", nb_invert, slot_nb_invert, wrap_unaryfunc, "~x"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5891 BINSLOT("__lshift__", nb_lshift, slot_nb_lshift, "<<"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5892 RBINSLOT("__rlshift__", nb_lshift, slot_nb_lshift, "<<"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5893 BINSLOT("__rshift__", nb_rshift, slot_nb_rshift, ">>"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5894 RBINSLOT("__rrshift__", nb_rshift, slot_nb_rshift, ">>"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5895 BINSLOT("__and__", nb_and, slot_nb_and, "&"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5896 RBINSLOT("__rand__", nb_and, slot_nb_and, "&"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5897 BINSLOT("__xor__", nb_xor, slot_nb_xor, "^"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5898 RBINSLOT("__rxor__", nb_xor, slot_nb_xor, "^"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5899 BINSLOT("__or__", nb_or, slot_nb_or, "|"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5900 RBINSLOT("__ror__", nb_or, slot_nb_or, "|"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5901 NBSLOT("__coerce__", nb_coerce, slot_nb_coerce, wrap_coercefunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5902 "x.__coerce__(y) <==> coerce(x, y)"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5903 UNSLOT("__int__", nb_int, slot_nb_int, wrap_unaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5904 "int(x)"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5905 UNSLOT("__long__", nb_long, slot_nb_long, wrap_unaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5906 "long(x)"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5907 UNSLOT("__float__", nb_float, slot_nb_float, wrap_unaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5908 "float(x)"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5909 UNSLOT("__oct__", nb_oct, slot_nb_oct, wrap_unaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5910 "oct(x)"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5911 UNSLOT("__hex__", nb_hex, slot_nb_hex, wrap_unaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5912 "hex(x)"),
39463
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping.
Neal Norwitz <nnorwitz@gmail.com>
parents: 39415
diff changeset
5913 NBSLOT("__index__", nb_index, slot_nb_index, wrap_unaryfunc,
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
5914 "x[y:z] <==> x[y.__index__():z.__index__()]"),
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5915 IBSLOT("__iadd__", nb_inplace_add, slot_nb_inplace_add,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5916 wrap_binaryfunc, "+"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5917 IBSLOT("__isub__", nb_inplace_subtract, slot_nb_inplace_subtract,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5918 wrap_binaryfunc, "-"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5919 IBSLOT("__imul__", nb_inplace_multiply, slot_nb_inplace_multiply,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5920 wrap_binaryfunc, "*"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5921 IBSLOT("__idiv__", nb_inplace_divide, slot_nb_inplace_divide,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5922 wrap_binaryfunc, "/"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5923 IBSLOT("__imod__", nb_inplace_remainder, slot_nb_inplace_remainder,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5924 wrap_binaryfunc, "%"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5925 IBSLOT("__ipow__", nb_inplace_power, slot_nb_inplace_power,
25794
001b789f1f84 For some reason (probably cut and paste), __ipow__ for new-style
Guido van Rossum <guido@python.org>
parents: 25793
diff changeset
5926 wrap_binaryfunc, "**"),
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5927 IBSLOT("__ilshift__", nb_inplace_lshift, slot_nb_inplace_lshift,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5928 wrap_binaryfunc, "<<"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5929 IBSLOT("__irshift__", nb_inplace_rshift, slot_nb_inplace_rshift,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5930 wrap_binaryfunc, ">>"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5931 IBSLOT("__iand__", nb_inplace_and, slot_nb_inplace_and,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5932 wrap_binaryfunc, "&"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5933 IBSLOT("__ixor__", nb_inplace_xor, slot_nb_inplace_xor,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5934 wrap_binaryfunc, "^"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5935 IBSLOT("__ior__", nb_inplace_or, slot_nb_inplace_or,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5936 wrap_binaryfunc, "|"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5937 BINSLOT("__floordiv__", nb_floor_divide, slot_nb_floor_divide, "//"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5938 RBINSLOT("__rfloordiv__", nb_floor_divide, slot_nb_floor_divide, "//"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5939 BINSLOT("__truediv__", nb_true_divide, slot_nb_true_divide, "/"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5940 RBINSLOT("__rtruediv__", nb_true_divide, slot_nb_true_divide, "/"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5941 IBSLOT("__ifloordiv__", nb_inplace_floor_divide,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5942 slot_nb_inplace_floor_divide, wrap_binaryfunc, "//"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5943 IBSLOT("__itruediv__", nb_inplace_true_divide,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5944 slot_nb_inplace_true_divide, wrap_binaryfunc, "/"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5945
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5946 TPSLOT("__str__", tp_str, slot_tp_str, wrap_unaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5947 "x.__str__() <==> str(x)"),
20737
00a581bdedeb When overriding __str__ or __repr__, set the tp_print slot to NULL.
Guido van Rossum <guido@python.org>
parents: 20725
diff changeset
5948 TPSLOT("__str__", tp_print, NULL, NULL, ""),
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5949 TPSLOT("__repr__", tp_repr, slot_tp_repr, wrap_unaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5950 "x.__repr__() <==> repr(x)"),
20737
00a581bdedeb When overriding __str__ or __repr__, set the tp_print slot to NULL.
Guido van Rossum <guido@python.org>
parents: 20725
diff changeset
5951 TPSLOT("__repr__", tp_print, NULL, NULL, ""),
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5952 TPSLOT("__cmp__", tp_compare, _PyObject_SlotCompare, wrap_cmpfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5953 "x.__cmp__(y) <==> cmp(x,y)"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5954 TPSLOT("__hash__", tp_hash, slot_tp_hash, wrap_hashfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5955 "x.__hash__() <==> hash(x)"),
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5956 FLSLOT("__call__", tp_call, slot_tp_call, (wrapperfunc)wrap_call,
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5957 "x.__call__(...) <==> x(...)", PyWrapperFlag_KEYWORDS),
20423
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5958 TPSLOT("__getattribute__", tp_getattro, slot_tp_getattr_hook,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5959 wrap_binaryfunc, "x.__getattribute__('name') <==> x.name"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5960 TPSLOT("__getattribute__", tp_getattr, NULL, NULL, ""),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5961 TPSLOT("__getattr__", tp_getattro, slot_tp_getattr_hook, NULL, ""),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5962 TPSLOT("__getattr__", tp_getattr, NULL, NULL, ""),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5963 TPSLOT("__setattr__", tp_setattro, slot_tp_setattro, wrap_setattr,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5964 "x.__setattr__('name', value) <==> x.name = value"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5965 TPSLOT("__setattr__", tp_setattr, NULL, NULL, ""),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5966 TPSLOT("__delattr__", tp_setattro, slot_tp_setattro, wrap_delattr,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5967 "x.__delattr__('name') <==> del x.name"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5968 TPSLOT("__delattr__", tp_setattr, NULL, NULL, ""),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5969 TPSLOT("__lt__", tp_richcompare, slot_tp_richcompare, richcmp_lt,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5970 "x.__lt__(y) <==> x<y"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5971 TPSLOT("__le__", tp_richcompare, slot_tp_richcompare, richcmp_le,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5972 "x.__le__(y) <==> x<=y"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5973 TPSLOT("__eq__", tp_richcompare, slot_tp_richcompare, richcmp_eq,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5974 "x.__eq__(y) <==> x==y"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5975 TPSLOT("__ne__", tp_richcompare, slot_tp_richcompare, richcmp_ne,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5976 "x.__ne__(y) <==> x!=y"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5977 TPSLOT("__gt__", tp_richcompare, slot_tp_richcompare, richcmp_gt,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5978 "x.__gt__(y) <==> x>y"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5979 TPSLOT("__ge__", tp_richcompare, slot_tp_richcompare, richcmp_ge,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5980 "x.__ge__(y) <==> x>=y"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5981 TPSLOT("__iter__", tp_iter, slot_tp_iter, wrap_unaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5982 "x.__iter__() <==> iter(x)"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5983 TPSLOT("next", tp_iternext, slot_tp_iternext, wrap_next,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5984 "x.next() -> the next value, or raise StopIteration"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5985 TPSLOT("__get__", tp_descr_get, slot_tp_descr_get, wrap_descr_get,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5986 "descr.__get__(obj[, type]) -> value"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5987 TPSLOT("__set__", tp_descr_set, slot_tp_descr_set, wrap_descr_set,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5988 "descr.__set__(obj, value)"),
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
5989 TPSLOT("__delete__", tp_descr_set, slot_tp_descr_set,
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
5990 wrap_descr_delete, "descr.__delete__(obj)"),
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5991 FLSLOT("__init__", tp_init, slot_tp_init, (wrapperfunc)wrap_init,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5992 "x.__init__(...) initializes x; "
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5993 "see x.__class__.__doc__ for signature",
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5994 PyWrapperFlag_KEYWORDS),
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5995 TPSLOT("__new__", tp_new, slot_tp_new, NULL, ""),
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5996 TPSLOT("__del__", tp_del, slot_tp_del, NULL, ""),
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5997 {NULL}
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5998 };
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5999
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6000 /* Given a type pointer and an offset gotten from a slotdef entry, return a
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
6001 pointer to the actual slot. This is not quite the same as simply adding
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6002 the offset to the type pointer, since it takes care to indirect through the
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6003 proper indirection pointer (as_buffer, etc.); it returns NULL if the
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6004 indirection pointer is NULL. */
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
6005 static void **
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
6006 slotptr(PyTypeObject *type, int ioffset)
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
6007 {
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
6008 char *ptr;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
6009 long offset = ioffset;
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
6010
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
6011 /* Note: this depends on the order of the members of PyHeapTypeObject! */
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
6012 assert(offset >= 0);
37815
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37759
diff changeset
6013 assert((size_t)offset < offsetof(PyHeapTypeObject, as_buffer));
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37759
diff changeset
6014 if ((size_t)offset >= offsetof(PyHeapTypeObject, as_sequence)) {
37603
38acb91824fc Correct casts to char*.
Martin v. Löwis <martin@v.loewis.de>
parents: 37596
diff changeset
6015 ptr = (char *)type->tp_as_sequence;
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
6016 offset -= offsetof(PyHeapTypeObject, as_sequence);
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
6017 }
37815
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37759
diff changeset
6018 else if ((size_t)offset >= offsetof(PyHeapTypeObject, as_mapping)) {
37603
38acb91824fc Correct casts to char*.
Martin v. Löwis <martin@v.loewis.de>
parents: 37596
diff changeset
6019 ptr = (char *)type->tp_as_mapping;
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
6020 offset -= offsetof(PyHeapTypeObject, as_mapping);
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
6021 }
37815
20cb13bdf1f0 C++ compiler cleanup: bunch-o-casts, plus use of unsigned loop index var in a couple places
Skip Montanaro <skip@pobox.com>
parents: 37759
diff changeset
6022 else if ((size_t)offset >= offsetof(PyHeapTypeObject, as_number)) {
37603
38acb91824fc Correct casts to char*.
Martin v. Löwis <martin@v.loewis.de>
parents: 37596
diff changeset
6023 ptr = (char *)type->tp_as_number;
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
6024 offset -= offsetof(PyHeapTypeObject, as_number);
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
6025 }
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
6026 else {
37603
38acb91824fc Correct casts to char*.
Martin v. Löwis <martin@v.loewis.de>
parents: 37596
diff changeset
6027 ptr = (char *)type;
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
6028 }
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
6029 if (ptr != NULL)
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
6030 ptr += offset;
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
6031 return (void **)ptr;
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
6032 }
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
6033
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6034 /* Length of array of slotdef pointers used to store slots with the
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6035 same __name__. There should be at most MAX_EQUIV-1 slotdef entries with
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6036 the same __name__, for any __name__. Since that's a static property, it is
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6037 appropriate to declare fixed-size arrays for this. */
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6038 #define MAX_EQUIV 10
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6039
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6040 /* Return a slot pointer for a given name, but ONLY if the attribute has
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6041 exactly one slot function. The name must be an interned string. */
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6042 static void **
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6043 resolve_slotdups(PyTypeObject *type, PyObject *name)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6044 {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6045 /* XXX Maybe this could be optimized more -- but is it worth it? */
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6046
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6047 /* pname and ptrs act as a little cache */
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6048 static PyObject *pname;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6049 static slotdef *ptrs[MAX_EQUIV];
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6050 slotdef *p, **pp;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6051 void **res, **ptr;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6052
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6053 if (pname != name) {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6054 /* Collect all slotdefs that match name into ptrs. */
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6055 pname = name;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6056 pp = ptrs;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6057 for (p = slotdefs; p->name_strobj; p++) {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6058 if (p->name_strobj == name)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6059 *pp++ = p;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6060 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6061 *pp = NULL;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6062 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6063
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6064 /* Look in all matching slots of the type; if exactly one of these has
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
6065 a filled-in slot, return its value. Otherwise return NULL. */
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6066 res = NULL;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6067 for (pp = ptrs; *pp; pp++) {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6068 ptr = slotptr(type, (*pp)->offset);
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6069 if (ptr == NULL || *ptr == NULL)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6070 continue;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6071 if (res != NULL)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6072 return NULL;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6073 res = ptr;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6074 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6075 return res;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6076 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6077
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6078 /* Common code for update_slots_callback() and fixup_slot_dispatchers(). This
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6079 does some incredibly complex thinking and then sticks something into the
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6080 slot. (It sees if the adjacent slotdefs for the same slot have conflicting
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6081 interests, and then stores a generic wrapper or a specific function into
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6082 the slot.) Return a pointer to the next slotdef with a different offset,
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6083 because that's convenient for fixup_slot_dispatchers(). */
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6084 static slotdef *
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6085 update_one_slot(PyTypeObject *type, slotdef *p)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6086 {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6087 PyObject *descr;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6088 PyWrapperDescrObject *d;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6089 void *generic = NULL, *specific = NULL;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6090 int use_generic = 0;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6091 int offset = p->offset;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6092 void **ptr = slotptr(type, offset);
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6093
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6094 if (ptr == NULL) {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6095 do {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6096 ++p;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6097 } while (p->offset == offset);
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6098 return p;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6099 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6100 do {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6101 descr = _PyType_Lookup(type, p->name_strobj);
50754
e9748db47635 #3720: Interpreter crashes when an evil iterator removes its own next function.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 49741
diff changeset
6102 if (descr == NULL) {
e9748db47635 #3720: Interpreter crashes when an evil iterator removes its own next function.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 49741
diff changeset
6103 if (ptr == (void**)&type->tp_iternext) {
e9748db47635 #3720: Interpreter crashes when an evil iterator removes its own next function.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 49741
diff changeset
6104 specific = _PyObject_NextNotImplemented;
e9748db47635 #3720: Interpreter crashes when an evil iterator removes its own next function.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 49741
diff changeset
6105 }
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6106 continue;
50754
e9748db47635 #3720: Interpreter crashes when an evil iterator removes its own next function.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 49741
diff changeset
6107 }
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
6108 if (Py_TYPE(descr) == &PyWrapperDescr_Type) {
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6109 void **tptr = resolve_slotdups(type, p->name_strobj);
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6110 if (tptr == NULL || tptr == ptr)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6111 generic = p->function;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6112 d = (PyWrapperDescrObject *)descr;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6113 if (d->d_base->wrapper == p->wrapper &&
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6114 PyType_IsSubtype(type, d->d_type))
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6115 {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6116 if (specific == NULL ||
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6117 specific == d->d_wrapped)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6118 specific = d->d_wrapped;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6119 else
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6120 use_generic = 1;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6121 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6122 }
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
6123 else if (Py_TYPE(descr) == &PyCFunction_Type &&
24685
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6124 PyCFunction_GET_FUNCTION(descr) ==
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6125 (PyCFunction)tp_new_wrapper &&
50828
27ba803bdea9 #4930: Slightly cleaner (and faster) code in type creation:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 50754
diff changeset
6126 ptr == (void**)&type->tp_new)
24685
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6127 {
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6128 /* The __new__ wrapper is not a wrapper descriptor,
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6129 so must be special-cased differently.
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6130 If we don't do this, creating an instance will
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6131 always use slot_tp_new which will look up
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6132 __new__ in the MRO which will call tp_new_wrapper
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6133 which will look through the base classes looking
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6134 for a static base and call its tp_new (usually
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6135 PyType_GenericNew), after performing various
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6136 sanity checks and constructing a new argument
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6137 list. Cut all that nonsense short -- this speeds
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6138 up instance creation tremendously. */
29066
90342f395721 Patch #734231: Update RiscOS support. In particular, correct
Martin v. Löwis <martin@v.loewis.de>
parents: 28737
diff changeset
6139 specific = (void *)type->tp_new;
24685
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6140 /* XXX I'm not 100% sure that there isn't a hole
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6141 in this reasoning that requires additional
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6142 sanity checks. I'll buy the first person to
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6143 point out a bug in this reasoning a beer. */
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
6144 }
47961
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6145 else if (descr == Py_None &&
50828
27ba803bdea9 #4930: Slightly cleaner (and faster) code in type creation:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 50754
diff changeset
6146 ptr == (void**)&type->tp_hash) {
47961
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6147 /* We specifically allow __hash__ to be set to None
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6148 to prevent inheritance of the default
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6149 implementation from object.__hash__ */
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6150 specific = PyObject_HashNotImplemented;
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6151 }
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6152 else {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6153 use_generic = 1;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6154 generic = p->function;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6155 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6156 } while ((++p)->offset == offset);
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6157 if (specific && !use_generic)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6158 *ptr = specific;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6159 else
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6160 *ptr = generic;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6161 return p;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6162 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6163
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6164 /* In the type, update the slots whose slotdefs are gathered in the pp array.
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6165 This is a callback for update_subclasses(). */
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6166 static int
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6167 update_slots_callback(PyTypeObject *type, void *data)
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6168 {
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6169 slotdef **pp = (slotdef **)data;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6170
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6171 for (; *pp; pp++)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6172 update_one_slot(type, *pp);
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6173 return 0;
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6174 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6175
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6176 /* Comparison function for qsort() to compare slotdefs by their offset, and
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6177 for equal offset by their address (to force a stable sort). */
20423
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6178 static int
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6179 slotdef_cmp(const void *aa, const void *bb)
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6180 {
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6181 const slotdef *a = (const slotdef *)aa, *b = (const slotdef *)bb;
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6182 int c = a->offset - b->offset;
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6183 if (c != 0)
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6184 return c;
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6185 else
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
6186 /* Cannot use a-b, as this gives off_t,
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
6187 which may lose precision when converted to int. */
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
6188 return (a > b) ? 1 : (a < b) ? -1 : 0;
20423
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6189 }
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6190
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6191 /* Initialize the slotdefs table by adding interned string objects for the
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6192 names and sorting the entries. */
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6193 static void
20423
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6194 init_slotdefs(void)
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6195 {
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6196 slotdef *p;
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6197 static int initialized = 0;
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6198
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6199 if (initialized)
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6200 return;
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6201 for (p = slotdefs; p->name; p++) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
6202 p->name_strobj = PyString_InternFromString(p->name);
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6203 if (!p->name_strobj)
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6204 Py_FatalError("Out of memory interning slotdef names");
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6205 }
20457
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
6206 qsort((void *)slotdefs, (size_t)(p-slotdefs), sizeof(slotdef),
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
6207 slotdef_cmp);
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6208 initialized = 1;
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6209 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6210
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6211 /* Update the slots after assignment to a class (type) attribute. */
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6212 static int
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6213 update_slot(PyTypeObject *type, PyObject *name)
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6214 {
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6215 slotdef *ptrs[MAX_EQUIV];
20423
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6216 slotdef *p;
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6217 slotdef **pp;
20457
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
6218 int offset;
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
6219
44664
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
6220 /* Clear the VALID_VERSION flag of 'type' and all its
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
6221 subclasses. This could possibly be unified with the
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
6222 update_subclasses() recursion below, but carefully:
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
6223 they each have their own conditions on which to stop
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
6224 recursing into subclasses. */
47358
93fe913fae55 #2989: add PyType_Modified().
Georg Brandl <georg@python.org>
parents: 47294
diff changeset
6225 PyType_Modified(type);
44664
387d48c3a0b3 Re-apply patch #1700288 (first applied in r59931, rolled back in r59940)
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44661
diff changeset
6226
20457
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
6227 init_slotdefs();
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
6228 pp = ptrs;
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
6229 for (p = slotdefs; p->name; p++) {
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
6230 /* XXX assume name is interned! */
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
6231 if (p->name_strobj == name)
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
6232 *pp++ = p;
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
6233 }
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
6234 *pp = NULL;
20423
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6235 for (pp = ptrs; *pp; pp++) {
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6236 p = *pp;
20457
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
6237 offset = p->offset;
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
6238 while (p > slotdefs && (p-1)->offset == offset)
20423
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6239 --p;
20457
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
6240 *pp = p;
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6241 }
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6242 if (ptrs[0] == NULL)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6243 return 0; /* Not an attribute that affects any slots */
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6244 return update_subclasses(type, name,
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6245 update_slots_callback, (void *)ptrs);
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6246 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
6247
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6248 /* Store the proper functions in the slot dispatches at class (type)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6249 definition time, based upon which operations the class overrides in its
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6250 dict. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
6251 static void
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
6252 fixup_slot_dispatchers(PyTypeObject *type)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
6253 {
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
6254 slotdef *p;
20423
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6255
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
6256 init_slotdefs();
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6257 for (p = slotdefs; p->name; )
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
6258 p = update_one_slot(type, p);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
6259 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6260
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
6261 static void
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
6262 update_all_slots(PyTypeObject* type)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
6263 {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
6264 slotdef *p;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
6265
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
6266 init_slotdefs();
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
6267 for (p = slotdefs; p->name; p++) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
6268 /* update_slot returns int but can't actually fail */
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
6269 update_slot(type, p->name_strobj);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
6270 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
6271 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
6272
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6273 /* recurse_down_subclasses() and update_subclasses() are mutually
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6274 recursive functions to call a callback for all subclasses,
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6275 but refraining from recursing into subclasses that define 'name'. */
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6276
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6277 static int
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6278 update_subclasses(PyTypeObject *type, PyObject *name,
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6279 update_callback callback, void *data)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6280 {
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6281 if (callback(type, data) < 0)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6282 return -1;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6283 return recurse_down_subclasses(type, name, callback, data);
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6284 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6285
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6286 static int
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6287 recurse_down_subclasses(PyTypeObject *type, PyObject *name,
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6288 update_callback callback, void *data)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6289 {
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6290 PyTypeObject *subclass;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6291 PyObject *ref, *subclasses, *dict;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
6292 Py_ssize_t i, n;
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6293
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6294 subclasses = type->tp_subclasses;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6295 if (subclasses == NULL)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6296 return 0;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6297 assert(PyList_Check(subclasses));
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6298 n = PyList_GET_SIZE(subclasses);
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6299 for (i = 0; i < n; i++) {
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6300 ref = PyList_GET_ITEM(subclasses, i);
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6301 assert(PyWeakref_CheckRef(ref));
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6302 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref);
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6303 assert(subclass != NULL);
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6304 if ((PyObject *)subclass == Py_None)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6305 continue;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6306 assert(PyType_Check(subclass));
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6307 /* Avoid recursing down into unaffected classes */
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6308 dict = subclass->tp_dict;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6309 if (dict != NULL && PyDict_Check(dict) &&
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6310 PyDict_GetItem(dict, name) != NULL)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6311 continue;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6312 if (update_subclasses(subclass, name, callback, data) < 0)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6313 return -1;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6314 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6315 return 0;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6316 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6317
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6318 /* This function is called by PyType_Ready() to populate the type's
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6319 dictionary with method descriptors for function slots. For each
23830
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6320 function slot (like tp_repr) that's defined in the type, one or more
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6321 corresponding descriptors are added in the type's tp_dict dictionary
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
6322 under the appropriate name (like __repr__). Some function slots
23830
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6323 cause more than one descriptor to be added (for example, the nb_add
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6324 slot adds both __add__ and __radd__ descriptors) and some function
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6325 slots compete for the same descriptor (for example both sq_item and
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6326 mp_subscript generate a __getitem__ descriptor).
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6327
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
6328 In the latter case, the first slotdef entry encoutered wins. Since
28390
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
6329 slotdef entries are sorted by the offset of the slot in the
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
6330 PyHeapTypeObject, this gives us some control over disambiguating
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6331 between competing slots: the members of PyHeapTypeObject are listed
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6332 from most general to least general, so the most general slot is
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6333 preferred. In particular, because as_mapping comes before as_sequence,
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6334 for a type that defines both mp_subscript and sq_item, mp_subscript
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
6335 wins.
23830
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6336
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6337 This only adds new descriptors and doesn't overwrite entries in
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6338 tp_dict that were previously defined. The descriptors contain a
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6339 reference to the C function they must call, so that it's safe if they
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6340 are copied into a subtype's __dict__ and the subtype has a different
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6341 C function in its slot -- calling the method defined by the
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6342 descriptor will call the C function that was used to create it,
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6343 rather than the C function present in the slot when it is called.
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6344 (This is important because a subtype may have a C function in the
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6345 slot that calls the method from the dictionary, and we want to avoid
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
6346 infinite recursion here.) */
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6347
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6348 static int
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6349 add_operators(PyTypeObject *type)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6350 {
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6351 PyObject *dict = type->tp_dict;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6352 slotdef *p;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6353 PyObject *descr;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6354 void **ptr;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6355
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6356 init_slotdefs();
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6357 for (p = slotdefs; p->name; p++) {
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6358 if (p->wrapper == NULL)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6359 continue;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6360 ptr = slotptr(type, p->offset);
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6361 if (!ptr || !*ptr)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6362 continue;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6363 if (PyDict_GetItem(dict, p->name_strobj))
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6364 continue;
47961
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6365 if (*ptr == PyObject_HashNotImplemented) {
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6366 /* Classes may prevent the inheritance of the tp_hash
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6367 slot by storing PyObject_HashNotImplemented in it. Make it
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6368 visible as a None value for the __hash__ attribute. */
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6369 if (PyDict_SetItem(dict, p->name_strobj, Py_None) < 0)
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6370 return -1;
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6371 }
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6372 else {
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6373 descr = PyDescr_NewWrapper(type, p, *ptr);
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6374 if (descr == NULL)
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6375 return -1;
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6376 if (PyDict_SetItem(dict, p->name_strobj, descr) < 0)
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6377 return -1;
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6378 Py_DECREF(descr);
f9b80a820a25 Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful
Nick Coghlan <ncoghlan@gmail.com>
parents: 47822
diff changeset
6379 }
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6380 }
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6381 if (type->tp_new != NULL) {
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6382 if (add_tp_new_wrapper(type) < 0)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6383 return -1;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6384 }
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6385 return 0;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6386 }
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6387
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6388
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6389 /* Cooperative 'super' */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6390
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6391 typedef struct {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6392 PyObject_HEAD
19551
01a6901cd305 Fix super() so that it is usable for static methods (like __new__) as well.
Guido van Rossum <guido@python.org>
parents: 19540
diff changeset
6393 PyTypeObject *type;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6394 PyObject *obj;
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6395 PyTypeObject *obj_type;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6396 } superobject;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6397
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
6398 static PyMemberDef super_members[] = {
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
6399 {"__thisclass__", T_OBJECT, offsetof(superobject, type), READONLY,
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
6400 "the class invoking super()"},
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
6401 {"__self__", T_OBJECT, offsetof(superobject, obj), READONLY,
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
6402 "the instance invoking super(); may be None"},
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6403 {"__self_class__", T_OBJECT, offsetof(superobject, obj_type), READONLY,
30722
651fc8d98d99 Fix a bunch of typos in documentation, docstrings and comments.
Walter Dörwald <walter@livinglogic.de>
parents: 30683
diff changeset
6404 "the type of the instance invoking super(); may be None"},
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6405 {0}
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6406 };
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6407
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6408 static void
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6409 super_dealloc(PyObject *self)
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6410 {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6411 superobject *su = (superobject *)self;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6412
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6413 _PyObject_GC_UNTRACK(self);
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6414 Py_XDECREF(su->obj);
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6415 Py_XDECREF(su->type);
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6416 Py_XDECREF(su->obj_type);
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
6417 Py_TYPE(self)->tp_free(self);
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6418 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6419
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6420 static PyObject *
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6421 super_repr(PyObject *self)
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6422 {
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6423 superobject *su = (superobject *)self;
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6424
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6425 if (su->obj_type)
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
6426 return PyString_FromFormat(
20076
d9250d5b79a7 Change repr() of a new-style class to say <class 'ClassName'> rather
Guido van Rossum <guido@python.org>
parents: 20075
diff changeset
6427 "<super: <class '%s'>, <%s object>>",
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6428 su->type ? su->type->tp_name : "NULL",
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6429 su->obj_type->tp_name);
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6430 else
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
6431 return PyString_FromFormat(
20076
d9250d5b79a7 Change repr() of a new-style class to say <class 'ClassName'> rather
Guido van Rossum <guido@python.org>
parents: 20075
diff changeset
6432 "<super: <class '%s'>, NULL>",
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6433 su->type ? su->type->tp_name : "NULL");
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6434 }
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6435
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6436 static PyObject *
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6437 super_getattro(PyObject *self, PyObject *name)
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6438 {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6439 superobject *su = (superobject *)self;
28638
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
6440 int skip = su->obj_type == NULL;
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
6441
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
6442 if (!skip) {
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
6443 /* We want __class__ to return the class of the super object
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
6444 (i.e. super, or a subclass), not the class of su->obj. */
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
6445 skip = (PyString_Check(name) &&
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
6446 PyString_GET_SIZE(name) == 9 &&
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
6447 strcmp(PyString_AS_STRING(name), "__class__") == 0);
28638
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
6448 }
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
6449
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
6450 if (!skip) {
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
6451 PyObject *mro, *res, *tmp, *dict;
22770
314e1416aa5d SF patch 537536 by Phillip J. Eby, fix for SF bug 535444, super()
Guido van Rossum <guido@python.org>
parents: 22713
diff changeset
6452 PyTypeObject *starttype;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6453 descrgetfunc f;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
6454 Py_ssize_t i, n;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6455
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6456 starttype = su->obj_type;
22770
314e1416aa5d SF patch 537536 by Phillip J. Eby, fix for SF bug 535444, super()
Guido van Rossum <guido@python.org>
parents: 22713
diff changeset
6457 mro = starttype->tp_mro;
314e1416aa5d SF patch 537536 by Phillip J. Eby, fix for SF bug 535444, super()
Guido van Rossum <guido@python.org>
parents: 22713
diff changeset
6458
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6459 if (mro == NULL)
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6460 n = 0;
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6461 else {
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6462 assert(PyTuple_Check(mro));
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6463 n = PyTuple_GET_SIZE(mro);
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6464 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6465 for (i = 0; i < n; i++) {
19551
01a6901cd305 Fix super() so that it is usable for static methods (like __new__) as well.
Guido van Rossum <guido@python.org>
parents: 19540
diff changeset
6466 if ((PyObject *)(su->type) == PyTuple_GET_ITEM(mro, i))
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6467 break;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6468 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6469 i++;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6470 res = NULL;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6471 for (; i < n; i++) {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6472 tmp = PyTuple_GET_ITEM(mro, i);
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
6473 if (PyType_Check(tmp))
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
6474 dict = ((PyTypeObject *)tmp)->tp_dict;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
6475 else if (PyClass_Check(tmp))
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
6476 dict = ((PyClassObject *)tmp)->cl_dict;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
6477 else
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
6478 continue;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
6479 res = PyDict_GetItem(dict, name);
28640
4824aab12549 Sigh. The crucial change was still missing from the previous
Guido van Rossum <guido@python.org>
parents: 28638
diff changeset
6480 if (res != NULL) {
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6481 Py_INCREF(res);
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
6482 f = Py_TYPE(res)->tp_descr_get;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6483 if (f != NULL) {
31800
37dc8c80ca7e Ensure super() lookup of descriptor from classmethod works (SF #743627)
Phillip J. Eby <pje@telecommunity.com>
parents: 31477
diff changeset
6484 tmp = f(res,
37dc8c80ca7e Ensure super() lookup of descriptor from classmethod works (SF #743627)
Phillip J. Eby <pje@telecommunity.com>
parents: 31477
diff changeset
6485 /* Only pass 'obj' param if
37dc8c80ca7e Ensure super() lookup of descriptor from classmethod works (SF #743627)
Phillip J. Eby <pje@telecommunity.com>
parents: 31477
diff changeset
6486 this is instance-mode super
37dc8c80ca7e Ensure super() lookup of descriptor from classmethod works (SF #743627)
Phillip J. Eby <pje@telecommunity.com>
parents: 31477
diff changeset
6487 (See SF ID #743627)
37dc8c80ca7e Ensure super() lookup of descriptor from classmethod works (SF #743627)
Phillip J. Eby <pje@telecommunity.com>
parents: 31477
diff changeset
6488 */
31813
8184c677713f Get rid of gcc warning.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 31800
diff changeset
6489 (su->obj == (PyObject *)
8184c677713f Get rid of gcc warning.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 31800
diff changeset
6490 su->obj_type
31800
37dc8c80ca7e Ensure super() lookup of descriptor from classmethod works (SF #743627)
Phillip J. Eby <pje@telecommunity.com>
parents: 31477
diff changeset
6491 ? (PyObject *)NULL
37dc8c80ca7e Ensure super() lookup of descriptor from classmethod works (SF #743627)
Phillip J. Eby <pje@telecommunity.com>
parents: 31477
diff changeset
6492 : su->obj),
22774
02fddf7c25c2 Fold some long lines. Delete blank initial line.
Guido van Rossum <guido@python.org>
parents: 22770
diff changeset
6493 (PyObject *)starttype);
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6494 Py_DECREF(res);
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6495 res = tmp;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6496 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6497 return res;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6498 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6499 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6500 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6501 return PyObject_GenericGetAttr(self, name);
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6502 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6503
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6504 static PyTypeObject *
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6505 supercheck(PyTypeObject *type, PyObject *obj)
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6506 {
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6507 /* Check that a super() call makes sense. Return a type object.
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6508
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6509 obj can be a new-style class, or an instance of one:
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6510
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
6511 - If it is a class, it must be a subclass of 'type'. This case is
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6512 used for class methods; the return value is obj.
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6513
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6514 - If it is an instance, it must be an instance of 'type'. This is
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6515 the normal case; the return value is obj.__class__.
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6516
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6517 But... when obj is an instance, we want to allow for the case where
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
6518 Py_TYPE(obj) is not a subclass of type, but obj.__class__ is!
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6519 This will allow using super() with a proxy for obj.
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6520 */
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6521
27942
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6522 /* Check for first bullet above (special case) */
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6523 if (PyType_Check(obj) && PyType_IsSubtype((PyTypeObject *)obj, type)) {
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6524 Py_INCREF(obj);
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6525 return (PyTypeObject *)obj;
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6526 }
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6527
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6528 /* Normal case */
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
6529 if (PyType_IsSubtype(Py_TYPE(obj), type)) {
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
6530 Py_INCREF(Py_TYPE(obj));
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
6531 return Py_TYPE(obj);
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6532 }
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6533 else {
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6534 /* Try the slow way */
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6535 static PyObject *class_str = NULL;
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6536 PyObject *class_attr;
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6537
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6538 if (class_str == NULL) {
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47421
diff changeset
6539 class_str = PyString_FromString("__class__");
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6540 if (class_str == NULL)
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6541 return NULL;
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6542 }
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6543
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6544 class_attr = PyObject_GetAttr(obj, class_str);
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6545
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6546 if (class_attr != NULL &&
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6547 PyType_Check(class_attr) &&
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
6548 (PyTypeObject *)class_attr != Py_TYPE(obj))
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6549 {
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6550 int ok = PyType_IsSubtype(
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6551 (PyTypeObject *)class_attr, type);
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6552 if (ok)
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6553 return (PyTypeObject *)class_attr;
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6554 }
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6555
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6556 if (class_attr == NULL)
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6557 PyErr_Clear();
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6558 else
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6559 Py_DECREF(class_attr);
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6560 }
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6561
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
6562 PyErr_SetString(PyExc_TypeError,
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6563 "super(type, obj): "
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6564 "obj must be an instance or subtype of type");
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6565 return NULL;
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6566 }
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6567
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6568 static PyObject *
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6569 super_descr_get(PyObject *self, PyObject *obj, PyObject *type)
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6570 {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6571 superobject *su = (superobject *)self;
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
6572 superobject *newobj;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6573
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6574 if (obj == NULL || obj == Py_None || su->obj != NULL) {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6575 /* Not binding to an object, or already bound */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6576 Py_INCREF(self);
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6577 return self;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6578 }
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
6579 if (Py_TYPE(su) != &PySuper_Type)
34958
c91e5e31c5ff Fixed a quite misleading comment: a "not" should not have been there.
Armin Rigo <arigo@tunes.org>
parents: 34668
diff changeset
6580 /* If su is an instance of a (strict) subclass of super,
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6581 call its type */
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 43958
diff changeset
6582 return PyObject_CallFunctionObjArgs((PyObject *)Py_TYPE(su),
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
6583 su->type, obj, NULL);
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6584 else {
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6585 /* Inline the common case */
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6586 PyTypeObject *obj_type = supercheck(su->type, obj);
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6587 if (obj_type == NULL)
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6588 return NULL;
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
6589 newobj = (superobject *)PySuper_Type.tp_new(&PySuper_Type,
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6590 NULL, NULL);
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
6591 if (newobj == NULL)
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6592 return NULL;
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6593 Py_INCREF(su->type);
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6594 Py_INCREF(obj);
37596
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
6595 newobj->type = su->type;
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
6596 newobj->obj = obj;
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
6597 newobj->obj_type = obj_type;
1b078493d538 More low-hanging fruit. Still need to re-arrange some code (or find a better
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37308
diff changeset
6598 return (PyObject *)newobj;
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6599 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6600 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6601
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6602 static int
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6603 super_init(PyObject *self, PyObject *args, PyObject *kwds)
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6604 {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6605 superobject *su = (superobject *)self;
19551
01a6901cd305 Fix super() so that it is usable for static methods (like __new__) as well.
Guido van Rossum <guido@python.org>
parents: 19540
diff changeset
6606 PyTypeObject *type;
01a6901cd305 Fix super() so that it is usable for static methods (like __new__) as well.
Guido van Rossum <guido@python.org>
parents: 19540
diff changeset
6607 PyObject *obj = NULL;
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6608 PyTypeObject *obj_type = NULL;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6609
39921
49fbddfb1217 Patch #1567691: super() and new.instancemethod() now don't accept
Georg Brandl <georg@python.org>
parents: 39464
diff changeset
6610 if (!_PyArg_NoKeywords("super", kwds))
49fbddfb1217 Patch #1567691: super() and new.instancemethod() now don't accept
Georg Brandl <georg@python.org>
parents: 39464
diff changeset
6611 return -1;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6612 if (!PyArg_ParseTuple(args, "O!|O:super", &PyType_Type, &type, &obj))
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6613 return -1;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6614 if (obj == Py_None)
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6615 obj = NULL;
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6616 if (obj != NULL) {
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6617 obj_type = supercheck(type, obj);
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6618 if (obj_type == NULL)
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6619 return -1;
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6620 Py_INCREF(obj);
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6621 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6622 Py_INCREF(type);
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6623 su->type = type;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6624 su->obj = obj;
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6625 su->obj_type = obj_type;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6626 return 0;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6627 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6628
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23830
diff changeset
6629 PyDoc_STRVAR(super_doc,
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6630 "super(type) -> unbound super object\n"
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6631 "super(type, obj) -> bound super object; requires isinstance(obj, type)\n"
19551
01a6901cd305 Fix super() so that it is usable for static methods (like __new__) as well.
Guido van Rossum <guido@python.org>
parents: 19540
diff changeset
6632 "super(type, type2) -> bound super object; requires issubclass(type2, type)\n"
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6633 "Typical use to call a cooperative superclass method:\n"
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6634 "class C(B):\n"
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6635 " def meth(self, arg):\n"
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
6636 " super(C, self).meth(arg)");
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6637
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6638 static int
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6639 super_traverse(PyObject *self, visitproc visit, void *arg)
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6640 {
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6641 superobject *su = (superobject *)self;
37756
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37748
diff changeset
6642
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37748
diff changeset
6643 Py_VISIT(su->obj);
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37748
diff changeset
6644 Py_VISIT(su->type);
7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or
Thomas Wouters <thomas@python.org>
parents: 37748
diff changeset
6645 Py_VISIT(su->obj_type);
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6646
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6647 return 0;
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6648 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6649
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6650 PyTypeObject PySuper_Type = {
42333
6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping
Martin v. Löwis <martin@v.loewis.de>
parents: 41816
diff changeset
6651 PyVarObject_HEAD_INIT(&PyType_Type, 0)
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6652 "super", /* tp_name */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6653 sizeof(superobject), /* tp_basicsize */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6654 0, /* tp_itemsize */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6655 /* methods */
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
6656 super_dealloc, /* tp_dealloc */
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6657 0, /* tp_print */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6658 0, /* tp_getattr */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6659 0, /* tp_setattr */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6660 0, /* tp_compare */
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6661 super_repr, /* tp_repr */
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6662 0, /* tp_as_number */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6663 0, /* tp_as_sequence */
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
6664 0, /* tp_as_mapping */
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6665 0, /* tp_hash */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6666 0, /* tp_call */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6667 0, /* tp_str */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6668 super_getattro, /* tp_getattro */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6669 0, /* tp_setattro */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6670 0, /* tp_as_buffer */
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6671 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6672 Py_TPFLAGS_BASETYPE, /* tp_flags */
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
6673 super_doc, /* tp_doc */
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
6674 super_traverse, /* tp_traverse */
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
6675 0, /* tp_clear */
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6676 0, /* tp_richcompare */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6677 0, /* tp_weaklistoffset */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6678 0, /* tp_iter */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6679 0, /* tp_iternext */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6680 0, /* tp_methods */
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6681 super_members, /* tp_members */
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6682 0, /* tp_getset */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6683 0, /* tp_base */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6684 0, /* tp_dict */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6685 super_descr_get, /* tp_descr_get */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6686 0, /* tp_descr_set */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6687 0, /* tp_dictoffset */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6688 super_init, /* tp_init */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6689 PyType_GenericAlloc, /* tp_alloc */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6690 PyType_GenericNew, /* tp_new */
40974
3cabbfa43984 whitespace normalization
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40908
diff changeset
6691 PyObject_GC_Del, /* tp_free */
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6692 };