Mercurial > cpython-lru_cache-weakref

annotate Objects/typeobject.c @ 66807:d28126ebd60d

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Entries for datetime, callable, and collections.Counter.
author Raymond Hettinger <python@rcn.com>
date Thu, 09 Dec 2010 16:41:54 +0000
parents 62b61abd02b8
children 3bf4d9f1660a
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6
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Guido van Rossum <guido@python.org>
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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 "frameobject.h"
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5 #include "structmember.h"
6
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6
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7 #include <ctype.h>
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8
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9
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10 /* Support type attribute cache */
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11
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12 /* The cache can keep references to the names alive for longer than
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13 they normally would. This is why the maximum size is limited to
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14 MCACHE_MAX_ATTR_SIZE, since it might be a problem if very large
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15 strings are used as attribute names. */
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16 #define MCACHE_MAX_ATTR_SIZE 100
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17 #define MCACHE_SIZE_EXP 10
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18 #define MCACHE_HASH(version, name_hash) \
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19 (((unsigned int)(version) * (unsigned int)(name_hash)) \
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20 >> (8*sizeof(unsigned int) - MCACHE_SIZE_EXP))
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21 #define MCACHE_HASH_METHOD(type, name) \
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22 MCACHE_HASH((type)->tp_version_tag, \
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23 ((PyUnicodeObject *)(name))->hash)
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24 #define MCACHE_CACHEABLE_NAME(name) \
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25 PyUnicode_CheckExact(name) && \
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26 PyUnicode_GET_SIZE(name) <= MCACHE_MAX_ATTR_SIZE
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27
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28 struct method_cache_entry {
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29 unsigned int version;
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30 PyObject *name; /* reference to exactly a str or None */
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31 PyObject *value; /* borrowed */
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32 };
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33
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34 static struct method_cache_entry method_cache[1 << MCACHE_SIZE_EXP];
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35 static unsigned int next_version_tag = 0;
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36
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37 unsigned int
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38 PyType_ClearCache(void)
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39 {
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40 Py_ssize_t i;
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41 unsigned int cur_version_tag = next_version_tag - 1;
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42
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43 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) {
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44 method_cache[i].version = 0;
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45 Py_CLEAR(method_cache[i].name);
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46 method_cache[i].value = NULL;
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47 }
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48 next_version_tag = 0;
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49 /* mark all version tags as invalid */
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50 PyType_Modified(&PyBaseObject_Type);
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51 return cur_version_tag;
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52 }
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53
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54 void
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55 PyType_Modified(PyTypeObject *type)
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56 {
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57 /* Invalidate any cached data for the specified type and all
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58 subclasses. This function is called after the base
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59 classes, mro, or attributes of the type are altered.
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60
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61 Invariants:
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62
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63 - Py_TPFLAGS_VALID_VERSION_TAG is never set if
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64 Py_TPFLAGS_HAVE_VERSION_TAG is not set (e.g. on type
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65 objects coming from non-recompiled extension modules)
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66
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67 - before Py_TPFLAGS_VALID_VERSION_TAG can be set on a type,
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68 it must first be set on all super types.
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69
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70 This function clears the Py_TPFLAGS_VALID_VERSION_TAG of a
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71 type (so it must first clear it on all subclasses). The
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72 tp_version_tag value is meaningless unless this flag is set.
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73 We don't assign new version tags eagerly, but only as
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74 needed.
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75 */
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76 PyObject *raw, *ref;
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77 Py_ssize_t i, n;
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78
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79 if (!PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG))
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80 return;
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81
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82 raw = type->tp_subclasses;
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83 if (raw != NULL) {
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84 n = PyList_GET_SIZE(raw);
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85 for (i = 0; i < n; i++) {
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86 ref = PyList_GET_ITEM(raw, i);
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87 ref = PyWeakref_GET_OBJECT(ref);
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88 if (ref != Py_None) {
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89 PyType_Modified((PyTypeObject *)ref);
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90 }
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91 }
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92 }
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93 type->tp_flags &= ~Py_TPFLAGS_VALID_VERSION_TAG;
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94 }
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95
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96 static void
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97 type_mro_modified(PyTypeObject *type, PyObject *bases) {
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98 /*
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99 Check that all base classes or elements of the mro of type are
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100 able to be cached. This function is called after the base
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101 classes or mro of the type are altered.
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102
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103 Unset HAVE_VERSION_TAG and VALID_VERSION_TAG if the type
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104 inherits from an old-style class, either directly or if it
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105 appears in the MRO of a new-style class. No support either for
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106 custom MROs that include types that are not officially super
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107 types.
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108
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109 Called from mro_internal, which will subsequently be called on
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110 each subclass when their mro is recursively updated.
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111 */
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112 Py_ssize_t i, n;
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113 int clear = 0;
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114
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115 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG))
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116 return;
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117
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118 n = PyTuple_GET_SIZE(bases);
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119 for (i = 0; i < n; i++) {
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120 PyObject *b = PyTuple_GET_ITEM(bases, i);
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121 PyTypeObject *cls;
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122
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123 if (!PyType_Check(b) ) {
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124 clear = 1;
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125 break;
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126 }
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127
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128 cls = (PyTypeObject *)b;
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129
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130 if (!PyType_HasFeature(cls, Py_TPFLAGS_HAVE_VERSION_TAG) ||
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131 !PyType_IsSubtype(type, cls)) {
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132 clear = 1;
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133 break;
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134 }
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135 }
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136
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137 if (clear)
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138 type->tp_flags &= ~(Py_TPFLAGS_HAVE_VERSION_TAG|
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139 Py_TPFLAGS_VALID_VERSION_TAG);
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140 }
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141
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142 static int
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143 assign_version_tag(PyTypeObject *type)
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144 {
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145 /* Ensure that the tp_version_tag is valid and set
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146 Py_TPFLAGS_VALID_VERSION_TAG. To respect the invariant, this
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147 must first be done on all super classes. Return 0 if this
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148 cannot be done, 1 if Py_TPFLAGS_VALID_VERSION_TAG.
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149 */
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150 Py_ssize_t i, n;
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151 PyObject *bases;
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152
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153 if (PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG))
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154 return 1;
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155 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG))
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156 return 0;
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157 if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
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158 return 0;
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159
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160 type->tp_version_tag = next_version_tag++;
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161 /* for stress-testing: next_version_tag &= 0xFF; */
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162
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163 if (type->tp_version_tag == 0) {
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164 /* wrap-around or just starting Python - clear the whole
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165 cache by filling names with references to Py_None.
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166 Values are also set to NULL for added protection, as they
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167 are borrowed reference */
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168 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) {
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169 method_cache[i].value = NULL;
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170 Py_XDECREF(method_cache[i].name);
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171 method_cache[i].name = Py_None;
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172 Py_INCREF(Py_None);
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173 }
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174 /* mark all version tags as invalid */
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175 PyType_Modified(&PyBaseObject_Type);
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176 return 1;
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177 }
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178 bases = type->tp_bases;
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179 n = PyTuple_GET_SIZE(bases);
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180 for (i = 0; i < n; i++) {
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181 PyObject *b = PyTuple_GET_ITEM(bases, i);
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182 assert(PyType_Check(b));
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183 if (!assign_version_tag((PyTypeObject *)b))
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184 return 0;
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185 }
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186 type->tp_flags |= Py_TPFLAGS_VALID_VERSION_TAG;
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187 return 1;
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188 }
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189
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190
20012
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191 static PyMemberDef type_members[] = {
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192 {"__basicsize__", T_PYSSIZET, offsetof(PyTypeObject,tp_basicsize),READONLY},
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193 {"__itemsize__", T_PYSSIZET, offsetof(PyTypeObject, tp_itemsize), READONLY},
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194 {"__flags__", T_LONG, offsetof(PyTypeObject, tp_flags), READONLY},
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195 {"__weakrefoffset__", T_LONG,
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196 offsetof(PyTypeObject, tp_weaklistoffset), READONLY},
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197 {"__base__", T_OBJECT, offsetof(PyTypeObject, tp_base), READONLY},
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198 {"__dictoffset__", T_LONG,
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199 offsetof(PyTypeObject, tp_dictoffset), READONLY},
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200 {"__mro__", T_OBJECT, offsetof(PyTypeObject, tp_mro), READONLY},
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201 {0}
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202 };
6
fc6fcd7df4f7 Initial revision
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203
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204 static PyObject *
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205 type_name(PyTypeObject *type, void *context)
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206 {
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207 const char *s;
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208
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209 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) {
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210 PyHeapTypeObject* et = (PyHeapTypeObject*)type;
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211
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212 Py_INCREF(et->ht_name);
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213 return et->ht_name;
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214 }
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215 else {
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216 s = strrchr(type->tp_name, '.');
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217 if (s == NULL)
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218 s = type->tp_name;
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219 else
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220 s++;
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221 return PyUnicode_FromString(s);
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222 }
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223 }
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224
26421
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225 static int
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226 type_set_name(PyTypeObject *type, PyObject *value, void *context)
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227 {
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228 PyHeapTypeObject* et;
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229 char *tp_name;
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230 PyObject *tmp;
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231
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232 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
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233 PyErr_Format(PyExc_TypeError,
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234 "can't set %s.__name__", type->tp_name);
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235 return -1;
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236 }
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237 if (!value) {
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238 PyErr_Format(PyExc_TypeError,
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239 "can't delete %s.__name__", type->tp_name);
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240 return -1;
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241 }
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242 if (!PyUnicode_Check(value)) {
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243 PyErr_Format(PyExc_TypeError,
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244 "can only assign string to %s.__name__, not '%s'",
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245 type->tp_name, Py_TYPE(value)->tp_name);
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246 return -1;
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247 }
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248
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249 /* Check absence of null characters */
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250 tmp = PyUnicode_FromStringAndSize("\0", 1);
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251 if (tmp == NULL)
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252 return -1;
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253 if (PyUnicode_Contains(value, tmp) != 0) {
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254 Py_DECREF(tmp);
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255 PyErr_Format(PyExc_ValueError,
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256 "__name__ must not contain null bytes");
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257 return -1;
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258 }
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259 Py_DECREF(tmp);
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260
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261 tp_name = _PyUnicode_AsString(value);
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262 if (tp_name == NULL)
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263 return -1;
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264
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265 et = (PyHeapTypeObject*)type;
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266
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267 Py_INCREF(value);
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268
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269 Py_DECREF(et->ht_name);
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270 et->ht_name = value;
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271
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272 type->tp_name = tp_name;
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273
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274 return 0;
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275 }
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276
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277 static PyObject *
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278 type_module(PyTypeObject *type, void *context)
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279 {
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280 PyObject *mod;
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281 char *s;
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282
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283 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) {
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284 mod = PyDict_GetItemString(type->tp_dict, "__module__");
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285 if (!mod) {
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286 PyErr_Format(PyExc_AttributeError, "__module__");
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287 return 0;
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288 }
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289 Py_XINCREF(mod);
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290 return mod;
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291 }
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292 else {
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293 s = strrchr(type->tp_name, '.');
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294 if (s != NULL)
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295 return PyUnicode_FromStringAndSize(
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296 type->tp_name, (Py_ssize_t)(s - type->tp_name));
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297 return PyUnicode_FromString("builtins");
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298 }
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299 }
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300
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301 static int
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302 type_set_module(PyTypeObject *type, PyObject *value, void *context)
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303 {
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304 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
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305 PyErr_Format(PyExc_TypeError,
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306 "can't set %s.__module__", type->tp_name);
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307 return -1;
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308 }
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309 if (!value) {
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310 PyErr_Format(PyExc_TypeError,
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311 "can't delete %s.__module__", type->tp_name);
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312 return -1;
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313 }
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314
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315 PyType_Modified(type);
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316
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317 return PyDict_SetItemString(type->tp_dict, "__module__", value);
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318 }
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319
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320 static PyObject *
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321 type_abstractmethods(PyTypeObject *type, void *context)
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322 {
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323 PyObject *mod = NULL;
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324 /* type itself has an __abstractmethods__ descriptor (this). Don't return
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325 that. */
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326 if (type != &PyType_Type)
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327 mod = PyDict_GetItemString(type->tp_dict, "__abstractmethods__");
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328 if (!mod) {
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329 PyErr_Format(PyExc_AttributeError, "__abstractmethods__");
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330 return NULL;
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331 }
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332 Py_XINCREF(mod);
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333 return mod;
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334 }
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335
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336 static int
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337 type_set_abstractmethods(PyTypeObject *type, PyObject *value, void *context)
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338 {
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339 /* __abstractmethods__ should only be set once on a type, in
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340 abc.ABCMeta.__new__, so this function doesn't do anything
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341 special to update subclasses.
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342 */
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343 int res = PyDict_SetItemString(type->tp_dict,
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344 "__abstractmethods__", value);
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345 if (res == 0) {
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346 PyType_Modified(type);
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347 if (value && PyObject_IsTrue(value)) {
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348 type->tp_flags |= Py_TPFLAGS_IS_ABSTRACT;
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349 }
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350 else {
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351 type->tp_flags &= ~Py_TPFLAGS_IS_ABSTRACT;
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352 }
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353 }
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354 return res;
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355 }
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356
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357 static PyObject *
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358 type_get_bases(PyTypeObject *type, void *context)
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359 {
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360 Py_INCREF(type->tp_bases);
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361 return type->tp_bases;
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362 }
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363
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364 static PyTypeObject *best_base(PyObject *);
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365 static int mro_internal(PyTypeObject *);
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366 static int compatible_for_assignment(PyTypeObject *, PyTypeObject *, char *);
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367 static int add_subclass(PyTypeObject*, PyTypeObject*);
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368 static void remove_subclass(PyTypeObject *, PyTypeObject *);
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369 static void update_all_slots(PyTypeObject *);
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370
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371 typedef int (*update_callback)(PyTypeObject *, void *);
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372 static int update_subclasses(PyTypeObject *type, PyObject *name,
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373 update_callback callback, void *data);
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374 static int recurse_down_subclasses(PyTypeObject *type, PyObject *name,
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375 update_callback callback, void *data);
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376
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377 static int
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378 mro_subclasses(PyTypeObject *type, PyObject* temp)
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379 {
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380 PyTypeObject *subclass;
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381 PyObject *ref, *subclasses, *old_mro;
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382 Py_ssize_t i, n;
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383
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384 subclasses = type->tp_subclasses;
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385 if (subclasses == NULL)
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386 return 0;
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387 assert(PyList_Check(subclasses));
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388 n = PyList_GET_SIZE(subclasses);
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389 for (i = 0; i < n; i++) {
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390 ref = PyList_GET_ITEM(subclasses, i);
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391 assert(PyWeakref_CheckRef(ref));
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392 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref);
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393 assert(subclass != NULL);
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394 if ((PyObject *)subclass == Py_None)
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395 continue;
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396 assert(PyType_Check(subclass));
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397 old_mro = subclass->tp_mro;
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398 if (mro_internal(subclass) < 0) {
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399 subclass->tp_mro = old_mro;
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400 return -1;
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401 }
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402 else {
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403 PyObject* tuple;
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404 tuple = PyTuple_Pack(2, subclass, old_mro);
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405 Py_DECREF(old_mro);
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406 if (!tuple)
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407 return -1;
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408 if (PyList_Append(temp, tuple) < 0)
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409 return -1;
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410 Py_DECREF(tuple);
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411 }
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412 if (mro_subclasses(subclass, temp) < 0)
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413 return -1;
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414 }
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415 return 0;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
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416 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
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417
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
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418 static int
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
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419 type_set_bases(PyTypeObject *type, PyObject *value, void *context)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
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420 {
61466
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421 Py_ssize_t i;
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422 int r = 0;
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423 PyObject *ob, *temp;
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424 PyTypeObject *new_base, *old_base;
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425 PyObject *old_bases, *old_mro;
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426
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427 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
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428 PyErr_Format(PyExc_TypeError,
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429 "can't set %s.__bases__", type->tp_name);
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430 return -1;
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431 }
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432 if (!value) {
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433 PyErr_Format(PyExc_TypeError,
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434 "can't delete %s.__bases__", type->tp_name);
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435 return -1;
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436 }
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437 if (!PyTuple_Check(value)) {
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438 PyErr_Format(PyExc_TypeError,
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439 "can only assign tuple to %s.__bases__, not %s",
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440 type->tp_name, Py_TYPE(value)->tp_name);
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441 return -1;
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442 }
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443 if (PyTuple_GET_SIZE(value) == 0) {
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444 PyErr_Format(PyExc_TypeError,
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445 "can only assign non-empty tuple to %s.__bases__, not ()",
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446 type->tp_name);
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447 return -1;
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448 }
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449 for (i = 0; i < PyTuple_GET_SIZE(value); i++) {
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450 ob = PyTuple_GET_ITEM(value, i);
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451 if (!PyType_Check(ob)) {
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452 PyErr_Format(
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453 PyExc_TypeError,
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454 "%s.__bases__ must be tuple of old- or new-style classes, not '%s'",
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455 type->tp_name, Py_TYPE(ob)->tp_name);
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456 return -1;
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457 }
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458 if (PyType_Check(ob)) {
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459 if (PyType_IsSubtype((PyTypeObject*)ob, type)) {
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460 PyErr_SetString(PyExc_TypeError,
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461 "a __bases__ item causes an inheritance cycle");
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462 return -1;
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463 }
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464 }
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465 }
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466
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467 new_base = best_base(value);
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468
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469 if (!new_base) {
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470 return -1;
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471 }
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472
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473 if (!compatible_for_assignment(type->tp_base, new_base, "__bases__"))
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474 return -1;
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475
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476 Py_INCREF(new_base);
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477 Py_INCREF(value);
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478
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479 old_bases = type->tp_bases;
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480 old_base = type->tp_base;
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481 old_mro = type->tp_mro;
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482
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483 type->tp_bases = value;
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484 type->tp_base = new_base;
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485
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486 if (mro_internal(type) < 0) {
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487 goto bail;
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488 }
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489
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490 temp = PyList_New(0);
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491 if (!temp)
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492 goto bail;
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493
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494 r = mro_subclasses(type, temp);
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495
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496 if (r < 0) {
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497 for (i = 0; i < PyList_Size(temp); i++) {
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498 PyTypeObject* cls;
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499 PyObject* mro;
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500 PyArg_UnpackTuple(PyList_GET_ITEM(temp, i),
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501 "", 2, 2, &cls, &mro);
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502 Py_INCREF(mro);
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503 ob = cls->tp_mro;
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504 cls->tp_mro = mro;
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505 Py_DECREF(ob);
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506 }
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507 Py_DECREF(temp);
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508 goto bail;
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509 }
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510
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511 Py_DECREF(temp);
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512
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513 /* any base that was in __bases__ but now isn't, we
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514 need to remove |type| from its tp_subclasses.
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515 conversely, any class now in __bases__ that wasn't
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516 needs to have |type| added to its subclasses. */
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517
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518 /* for now, sod that: just remove from all old_bases,
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519 add to all new_bases */
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520
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521 for (i = PyTuple_GET_SIZE(old_bases) - 1; i >= 0; i--) {
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522 ob = PyTuple_GET_ITEM(old_bases, i);
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523 if (PyType_Check(ob)) {
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524 remove_subclass(
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525 (PyTypeObject*)ob, type);
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526 }
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diff changeset
527 }
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diff changeset
528
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diff changeset
529 for (i = PyTuple_GET_SIZE(value) - 1; i >= 0; i--) {
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diff changeset
530 ob = PyTuple_GET_ITEM(value, i);
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diff changeset
531 if (PyType_Check(ob)) {
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532 if (add_subclass((PyTypeObject*)ob, type) < 0)
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diff changeset
533 r = -1;
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534 }
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535 }
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diff changeset
536
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diff changeset
537 update_all_slots(type);
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diff changeset
538
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diff changeset
539 Py_DECREF(old_bases);
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diff changeset
540 Py_DECREF(old_base);
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diff changeset
541 Py_DECREF(old_mro);
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diff changeset
542
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diff changeset
543 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
544
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
545 bail:
61466
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diff changeset
546 Py_DECREF(type->tp_bases);
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diff changeset
547 Py_DECREF(type->tp_base);
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diff changeset
548 if (type->tp_mro != old_mro) {
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diff changeset
549 Py_DECREF(type->tp_mro);
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diff changeset
550 }
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551
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diff changeset
552 type->tp_bases = old_bases;
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diff changeset
553 type->tp_base = old_base;
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diff changeset
554 type->tp_mro = old_mro;
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555
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diff changeset
556 return -1;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
557 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
558
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
559 static PyObject *
18933
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Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
560 type_dict(PyTypeObject *type, void *context)
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diff changeset
561 {
61466
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562 if (type->tp_dict == NULL) {
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563 Py_INCREF(Py_None);
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564 return Py_None;
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565 }
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diff changeset
566 return PyDictProxy_New(type->tp_dict);
2080
c21cc7b3ce28 added getattr(), supporting __doc__ and _name__
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
567 }
c21cc7b3ce28 added getattr(), supporting __doc__ and _name__
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
568
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
569 static PyObject *
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
570 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
571 {
61466
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diff changeset
572 PyObject *result;
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573 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE) && type->tp_doc != NULL)
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574 return PyUnicode_FromString(type->tp_doc);
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575 result = PyDict_GetItemString(type->tp_dict, "__doc__");
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576 if (result == NULL) {
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diff changeset
577 result = Py_None;
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578 Py_INCREF(result);
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diff changeset
579 }
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580 else if (Py_TYPE(result)->tp_descr_get) {
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diff changeset
581 result = Py_TYPE(result)->tp_descr_get(result, NULL,
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diff changeset
582 (PyObject *)type);
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583 }
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584 else {
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585 Py_INCREF(result);
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586 }
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587 return result;
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
588 }
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
589
48875
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
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parents: 48660
diff changeset
590 static PyObject *
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parents: 48660
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591 type___instancecheck__(PyObject *type, PyObject *inst)
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592 {
61466
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593 switch (_PyObject_RealIsInstance(inst, type)) {
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594 case -1:
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595 return NULL;
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596 case 0:
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597 Py_RETURN_FALSE;
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598 default:
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599 Py_RETURN_TRUE;
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600 }
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601 }
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
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parents: 48660
diff changeset
602
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
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parents: 48660
diff changeset
603
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
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parents: 48660
diff changeset
604 static PyObject *
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
605 type___subclasscheck__(PyObject *type, PyObject *inst)
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
606 {
61466
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607 switch (_PyObject_RealIsSubclass(inst, type)) {
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diff changeset
608 case -1:
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609 return NULL;
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610 case 0:
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611 Py_RETURN_FALSE;
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612 default:
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613 Py_RETURN_TRUE;
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614 }
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615 }
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
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diff changeset
616
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
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diff changeset
617
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
618 static PyGetSetDef type_getsets[] = {
61466
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619 {"__name__", (getter)type_name, (setter)type_set_name, NULL},
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620 {"__bases__", (getter)type_get_bases, (setter)type_set_bases, NULL},
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diff changeset
621 {"__module__", (getter)type_module, (setter)type_set_module, NULL},
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diff changeset
622 {"__abstractmethods__", (getter)type_abstractmethods,
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623 (setter)type_set_abstractmethods, NULL},
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624 {"__dict__", (getter)type_dict, NULL, NULL},
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625 {"__doc__", (getter)type_get_doc, NULL, NULL},
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diff changeset
626 {0}
18933
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diff changeset
627 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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diff changeset
628
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
629 static PyObject *
18933
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diff changeset
630 type_repr(PyTypeObject *type)
6
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
631 {
61466
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632 PyObject *mod, *name, *rtn;
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633
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diff changeset
634 mod = type_module(type, NULL);
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635 if (mod == NULL)
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636 PyErr_Clear();
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637 else if (!PyUnicode_Check(mod)) {
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638 Py_DECREF(mod);
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639 mod = NULL;
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640 }
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641 name = type_name(type, NULL);
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642 if (name == NULL)
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643 return NULL;
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diff changeset
644
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diff changeset
645 if (mod != NULL && PyUnicode_CompareWithASCIIString(mod, "builtins"))
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646 rtn = PyUnicode_FromFormat("<class '%U.%U'>", mod, name);
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647 else
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648 rtn = PyUnicode_FromFormat("<class '%s'>", type->tp_name);
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649
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diff changeset
650 Py_XDECREF(mod);
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651 Py_DECREF(name);
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diff changeset
652 return rtn;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
653 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
654
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diff changeset
655 static PyObject *
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diff changeset
656 type_call(PyTypeObject *type, PyObject *args, PyObject *kwds)
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diff changeset
657 {
61466
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658 PyObject *obj;
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659
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660 if (type->tp_new == NULL) {
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661 PyErr_Format(PyExc_TypeError,
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662 "cannot create '%.100s' instances",
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663 type->tp_name);
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664 return NULL;
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665 }
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666
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667 obj = type->tp_new(type, args, kwds);
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668 if (obj != NULL) {
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669 /* Ugly exception: when the call was type(something),
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670 don't call tp_init on the result. */
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671 if (type == &PyType_Type &&
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672 PyTuple_Check(args) && PyTuple_GET_SIZE(args) == 1 &&
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673 (kwds == NULL ||
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674 (PyDict_Check(kwds) && PyDict_Size(kwds) == 0)))
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675 return obj;
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676 /* If the returned object is not an instance of type,
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677 it won't be initialized. */
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678 if (!PyType_IsSubtype(Py_TYPE(obj), type))
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679 return obj;
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680 type = Py_TYPE(obj);
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681 if (type->tp_init != NULL &&
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682 type->tp_init(obj, args, kwds) < 0) {
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683 Py_DECREF(obj);
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684 obj = NULL;
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685 }
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686 }
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687 return obj;
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688 }
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689
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690 PyObject *
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691 PyType_GenericAlloc(PyTypeObject *type, Py_ssize_t nitems)
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692 {
61466
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693 PyObject *obj;
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694 const size_t size = _PyObject_VAR_SIZE(type, nitems+1);
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695 /* note that we need to add one, for the sentinel */
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696
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697 if (PyType_IS_GC(type))
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698 obj = _PyObject_GC_Malloc(size);
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699 else
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700 obj = (PyObject *)PyObject_MALLOC(size);
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701
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702 if (obj == NULL)
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703 return PyErr_NoMemory();
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704
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705 memset(obj, '\0', size);
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706
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707 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE)
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708 Py_INCREF(type);
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diff changeset
709
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710 if (type->tp_itemsize == 0)
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711 PyObject_INIT(obj, type);
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712 else
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713 (void) PyObject_INIT_VAR((PyVarObject *)obj, type, nitems);
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714
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715 if (PyType_IS_GC(type))
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716 _PyObject_GC_TRACK(obj);
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717 return obj;
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718 }
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719
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720 PyObject *
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721 PyType_GenericNew(PyTypeObject *type, PyObject *args, PyObject *kwds)
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722 {
61466
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723 return type->tp_alloc(type, 0);
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724 }
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725
20277
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726 /* Helpers for subtyping */
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727
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728 static int
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729 traverse_slots(PyTypeObject *type, PyObject *self, visitproc visit, void *arg)
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730 {
61466
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731 Py_ssize_t i, n;
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732 PyMemberDef *mp;
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733
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734 n = Py_SIZE(type);
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735 mp = PyHeapType_GET_MEMBERS((PyHeapTypeObject *)type);
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736 for (i = 0; i < n; i++, mp++) {
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737 if (mp->type == T_OBJECT_EX) {
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738 char *addr = (char *)self + mp->offset;
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739 PyObject *obj = *(PyObject **)addr;
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740 if (obj != NULL) {
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741 int err = visit(obj, arg);
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742 if (err)
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743 return err;
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744 }
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745 }
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746 }
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747 return 0;
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748 }
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749
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
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750 static int
20277
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751 subtype_traverse(PyObject *self, visitproc visit, void *arg)
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752 {
61466
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753 PyTypeObject *type, *base;
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754 traverseproc basetraverse;
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755
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756 /* Find the nearest base with a different tp_traverse,
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757 and traverse slots while we're at it */
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758 type = Py_TYPE(self);
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759 base = type;
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760 while ((basetraverse = base->tp_traverse) == subtype_traverse) {
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761 if (Py_SIZE(base)) {
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762 int err = traverse_slots(base, self, visit, arg);
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763 if (err)
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764 return err;
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765 }
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766 base = base->tp_base;
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767 assert(base);
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768 }
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769
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770 if (type->tp_dictoffset != base->tp_dictoffset) {
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771 PyObject **dictptr = _PyObject_GetDictPtr(self);
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772 if (dictptr && *dictptr)
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773 Py_VISIT(*dictptr);
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774 }
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775
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776 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE)
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777 /* For a heaptype, the instances count as references
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778 to the type. Traverse the type so the collector
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779 can find cycles involving this link. */
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780 Py_VISIT(type);
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781
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782 if (basetraverse)
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783 return basetraverse(self, visit, arg);
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784 return 0;
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785 }
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786
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
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diff changeset
787 static void
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788 clear_slots(PyTypeObject *type, PyObject *self)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
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parents: 23649
diff changeset
789 {
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790 Py_ssize_t i, n;
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791 PyMemberDef *mp;
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792
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793 n = Py_SIZE(type);
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794 mp = PyHeapType_GET_MEMBERS((PyHeapTypeObject *)type);
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795 for (i = 0; i < n; i++, mp++) {
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796 if (mp->type == T_OBJECT_EX && !(mp->flags & READONLY)) {
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797 char *addr = (char *)self + mp->offset;
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798 PyObject *obj = *(PyObject **)addr;
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799 if (obj != NULL) {
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800 *(PyObject **)addr = NULL;
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801 Py_DECREF(obj);
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802 }
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803 }
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804 }
23666
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805 }
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806
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807 static int
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808 subtype_clear(PyObject *self)
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809 {
61466
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810 PyTypeObject *type, *base;
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811 inquiry baseclear;
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812
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813 /* Find the nearest base with a different tp_clear
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814 and clear slots while we're at it */
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815 type = Py_TYPE(self);
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816 base = type;
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817 while ((baseclear = base->tp_clear) == subtype_clear) {
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818 if (Py_SIZE(base))
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819 clear_slots(base, self);
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820 base = base->tp_base;
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821 assert(base);
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822 }
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823
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824 /* There's no need to clear the instance dict (if any);
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825 the collector will call its tp_clear handler. */
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826
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827 if (baseclear)
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828 return baseclear(self);
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829 return 0;
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
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830 }
18933
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831
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832 static void
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833 subtype_dealloc(PyObject *self)
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834 {
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835 PyTypeObject *type, *base;
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836 destructor basedealloc;
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837
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838 /* Extract the type; we expect it to be a heap type */
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839 type = Py_TYPE(self);
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840 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
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841
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842 /* Test whether the type has GC exactly once */
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843
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844 if (!PyType_IS_GC(type)) {
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845 /* It's really rare to find a dynamic type that doesn't have
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846 GC; it can only happen when deriving from 'object' and not
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847 adding any slots or instance variables. This allows
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848 certain simplifications: there's no need to call
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849 clear_slots(), or DECREF the dict, or clear weakrefs. */
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850
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851 /* Maybe call finalizer; exit early if resurrected */
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852 if (type->tp_del) {
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853 type->tp_del(self);
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854 if (self->ob_refcnt > 0)
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855 return;
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856 }
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857
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858 /* Find the nearest base with a different tp_dealloc */
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859 base = type;
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860 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
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861 assert(Py_SIZE(base) == 0);
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862 base = base->tp_base;
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863 assert(base);
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864 }
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865
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866 /* Extract the type again; tp_del may have changed it */
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867 type = Py_TYPE(self);
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868
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869 /* Call the base tp_dealloc() */
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870 assert(basedealloc);
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871 basedealloc(self);
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872
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873 /* Can't reference self beyond this point */
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874 Py_DECREF(type);
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875
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876 /* Done */
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877 return;
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878 }
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879
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880 /* We get here only if the type has GC */
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881
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882 /* UnTrack and re-Track around the trashcan macro, alas */
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883 /* See explanation at end of function for full disclosure */
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884 PyObject_GC_UnTrack(self);
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885 ++_PyTrash_delete_nesting;
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886 Py_TRASHCAN_SAFE_BEGIN(self);
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887 --_PyTrash_delete_nesting;
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888 /* DO NOT restore GC tracking at this point. weakref callbacks
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889 * (if any, and whether directly here or indirectly in something we
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890 * call) may trigger GC, and if self is tracked at that point, it
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891 * will look like trash to GC and GC will try to delete self again.
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892 */
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893
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894 /* Find the nearest base with a different tp_dealloc */
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895 base = type;
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896 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
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897 base = base->tp_base;
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898 assert(base);
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899 }
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900
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901 /* If we added a weaklist, we clear it. Do this *before* calling
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902 the finalizer (__del__), clearing slots, or clearing the instance
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903 dict. */
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904
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905 if (type->tp_weaklistoffset && !base->tp_weaklistoffset)
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906 PyObject_ClearWeakRefs(self);
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907
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908 /* Maybe call finalizer; exit early if resurrected */
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909 if (type->tp_del) {
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910 _PyObject_GC_TRACK(self);
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911 type->tp_del(self);
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912 if (self->ob_refcnt > 0)
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913 goto endlabel; /* resurrected */
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914 else
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915 _PyObject_GC_UNTRACK(self);
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916 /* New weakrefs could be created during the finalizer call.
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917 If this occurs, clear them out without calling their
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918 finalizers since they might rely on part of the object
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919 being finalized that has already been destroyed. */
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920 if (type->tp_weaklistoffset && !base->tp_weaklistoffset) {
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921 /* Modeled after GET_WEAKREFS_LISTPTR() */
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922 PyWeakReference **list = (PyWeakReference **) \
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923 PyObject_GET_WEAKREFS_LISTPTR(self);
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924 while (*list)
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925 _PyWeakref_ClearRef(*list);
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926 }
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927 }
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928
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929 /* Clear slots up to the nearest base with a different tp_dealloc */
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930 base = type;
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931 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
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932 if (Py_SIZE(base))
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933 clear_slots(base, self);
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934 base = base->tp_base;
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935 assert(base);
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936 }
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937
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938 /* If we added a dict, DECREF it */
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939 if (type->tp_dictoffset && !base->tp_dictoffset) {
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940 PyObject **dictptr = _PyObject_GetDictPtr(self);
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941 if (dictptr != NULL) {
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942 PyObject *dict = *dictptr;
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943 if (dict != NULL) {
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944 Py_DECREF(dict);
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945 *dictptr = NULL;
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946 }
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947 }
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948 }
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949
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950 /* Extract the type again; tp_del may have changed it */
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951 type = Py_TYPE(self);
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952
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953 /* Call the base tp_dealloc(); first retrack self if
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954 * basedealloc knows about gc.
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955 */
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956 if (PyType_IS_GC(base))
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957 _PyObject_GC_TRACK(self);
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958 assert(basedealloc);
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959 basedealloc(self);
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960
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961 /* Can't reference self beyond this point */
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962 Py_DECREF(type);
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
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963
24653
1ab27c1770df Fix a subtle bug in the trashcan code I added yesterday to
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964 endlabel:
61466
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965 ++_PyTrash_delete_nesting;
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966 Py_TRASHCAN_SAFE_END(self);
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967 --_PyTrash_delete_nesting;
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968
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969 /* Explanation of the weirdness around the trashcan macros:
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970
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971 Q. What do the trashcan macros do?
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972
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973 A. Read the comment titled "Trashcan mechanism" in object.h.
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974 For one, this explains why there must be a call to GC-untrack
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975 before the trashcan begin macro. Without understanding the
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976 trashcan code, the answers to the following questions don't make
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977 sense.
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978
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979 Q. Why do we GC-untrack before the trashcan and then immediately
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980 GC-track again afterward?
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981
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982 A. In the case that the base class is GC-aware, the base class
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983 probably GC-untracks the object. If it does that using the
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984 UNTRACK macro, this will crash when the object is already
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985 untracked. Because we don't know what the base class does, the
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986 only safe thing is to make sure the object is tracked when we
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987 call the base class dealloc. But... The trashcan begin macro
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988 requires that the object is *untracked* before it is called. So
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989 the dance becomes:
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990
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991 GC untrack
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992 trashcan begin
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993 GC track
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994
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995 Q. Why did the last question say "immediately GC-track again"?
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996 It's nowhere near immediately.
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997
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998 A. Because the code *used* to re-track immediately. Bad Idea.
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999 self has a refcount of 0, and if gc ever gets its hands on it
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1000 (which can happen if any weakref callback gets invoked), it
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1001 looks like trash to gc too, and gc also tries to delete self
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1002 then. But we're already deleting self. Double dealloction is
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1003 a subtle disaster.
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1004
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1005 Q. Why the bizarre (net-zero) manipulation of
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1006 _PyTrash_delete_nesting around the trashcan macros?
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1007
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1008 A. Some base classes (e.g. list) also use the trashcan mechanism.
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1009 The following scenario used to be possible:
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1010
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1011 - suppose the trashcan level is one below the trashcan limit
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1012
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1013 - subtype_dealloc() is called
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1014
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1015 - the trashcan limit is not yet reached, so the trashcan level
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1016 is incremented and the code between trashcan begin and end is
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1017 executed
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1018
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1019 - this destroys much of the object's contents, including its
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1020 slots and __dict__
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1021
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1022 - basedealloc() is called; this is really list_dealloc(), or
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1023 some other type which also uses the trashcan macros
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1024
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1025 - the trashcan limit is now reached, so the object is put on the
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1026 trashcan's to-be-deleted-later list
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1027
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1028 - basedealloc() returns
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1029
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1030 - subtype_dealloc() decrefs the object's type
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1031
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1032 - subtype_dealloc() returns
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1033
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1034 - later, the trashcan code starts deleting the objects from its
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1035 to-be-deleted-later list
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1036
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1037 - subtype_dealloc() is called *AGAIN* for the same object
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1038
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1039 - at the very least (if the destroyed slots and __dict__ don't
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1040 cause problems) the object's type gets decref'ed a second
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1041 time, which is *BAD*!!!
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1042
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1043 The remedy is to make sure that if the code between trashcan
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1044 begin and end in subtype_dealloc() is called, the code between
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1045 trashcan begin and end in basedealloc() will also be called.
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1046 This is done by decrementing the level after passing into the
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1047 trashcan block, and incrementing it just before leaving the
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1048 block.
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1049
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1050 But now it's possible that a chain of objects consisting solely
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1051 of objects whose deallocator is subtype_dealloc() will defeat
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1052 the trashcan mechanism completely: the decremented level means
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1053 that the effective level never reaches the limit. Therefore, we
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1054 *increment* the level *before* entering the trashcan block, and
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1055 matchingly decrement it after leaving. This means the trashcan
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1056 code will trigger a little early, but that's no big deal.
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1057
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1058 Q. Are there any live examples of code in need of all this
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1059 complexity?
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1060
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1061 A. Yes. See SF bug 668433 for code that crashed (when Python was
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1062 compiled in debug mode) before the trashcan level manipulations
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1063 were added. For more discussion, see SF patches 581742, 575073
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1064 and bug 574207.
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1065 */
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1066 }
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diff changeset
1067
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1068 static PyTypeObject *solid_base(PyTypeObject *type);
18933
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diff changeset
1069
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diff changeset
1070 /* type test with subclassing support */
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diff changeset
1071
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diff changeset
1072 int
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diff changeset
1073 PyType_IsSubtype(PyTypeObject *a, PyTypeObject *b)
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1074 {
61466
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1075 PyObject *mro;
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1076
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1077 mro = a->tp_mro;
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1078 if (mro != NULL) {
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1079 /* Deal with multiple inheritance without recursion
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1080 by walking the MRO tuple */
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1081 Py_ssize_t i, n;
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diff changeset
1082 assert(PyTuple_Check(mro));
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1083 n = PyTuple_GET_SIZE(mro);
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1084 for (i = 0; i < n; i++) {
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diff changeset
1085 if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
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1086 return 1;
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1087 }
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1088 return 0;
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1089 }
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1090 else {
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1091 /* a is not completely initilized yet; follow tp_base */
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1092 do {
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1093 if (a == b)
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1094 return 1;
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1095 a = a->tp_base;
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1096 } while (a != NULL);
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1097 return b == &PyBaseObject_Type;
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1098 }
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1099 }
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1100
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diff changeset
1101 /* 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>
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1102 without looking in the instance dictionary
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
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1103 (so we can't use PyObject_GetAttr) but still binding
61466
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1104 it to the instance. The arguments are the object,
19535
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1105 the method name as a C string, and the address of a
19913
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1106 static variable used to cache the interned Python string.
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1107
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1108 Two variants:
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1109
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1110 - lookup_maybe() returns NULL without raising an exception
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1111 when the _PyType_Lookup() call fails;
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1112
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1113 - lookup_method() always raises an exception upon errors.
53905
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1114
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1115 - _PyObject_LookupSpecial() exported for the benefit of other places.
19913
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1116 */
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
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diff changeset
1117
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1118 static PyObject *
19913
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diff changeset
1119 lookup_maybe(PyObject *self, char *attrstr, PyObject **attrobj)
19535
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1120 {
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1121 PyObject *res;
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1122
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1123 if (*attrobj == NULL) {
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1124 *attrobj = PyUnicode_InternFromString(attrstr);
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1125 if (*attrobj == NULL)
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1126 return NULL;
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1127 }
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1128 res = _PyType_Lookup(Py_TYPE(self), *attrobj);
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1129 if (res != NULL) {
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1130 descrgetfunc f;
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1131 if ((f = Py_TYPE(res)->tp_descr_get) == NULL)
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1132 Py_INCREF(res);
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1133 else
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1134 res = f(res, self, (PyObject *)(Py_TYPE(self)));
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1135 }
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1136 return res;
19535
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1137 }
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1138
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1139 static PyObject *
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diff changeset
1140 lookup_method(PyObject *self, char *attrstr, PyObject **attrobj)
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1141 {
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1142 PyObject *res = lookup_maybe(self, attrstr, attrobj);
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1143 if (res == NULL && !PyErr_Occurred())
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1144 PyErr_SetObject(PyExc_AttributeError, *attrobj);
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1145 return res;
19913
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1146 }
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1147
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1148 PyObject *
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1149 _PyObject_LookupSpecial(PyObject *self, char *attrstr, PyObject **attrobj)
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1150 {
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1151 return lookup_maybe(self, attrstr, attrobj);
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1152 }
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1153
19538
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1154 /* A variation of PyObject_CallMethod that uses lookup_method()
61466
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1155 instead of PyObject_GetAttrString(). This uses the same convention
19538
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1156 as lookup_method to cache the interned name string object. */
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1157
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Neil Schemenauer <nascheme@enme.ucalgary.ca>
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1158 static PyObject *
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1159 call_method(PyObject *o, char *name, PyObject **nameobj, char *format, ...)
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1160 {
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1161 va_list va;
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1162 PyObject *args, *func = 0, *retval;
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1163 va_start(va, format);
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1164
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1165 func = lookup_maybe(o, name, nameobj);
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1166 if (func == NULL) {
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1167 va_end(va);
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1168 if (!PyErr_Occurred())
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1169 PyErr_SetObject(PyExc_AttributeError, *nameobj);
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1170 return NULL;
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1171 }
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1172
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1173 if (format && *format)
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1174 args = Py_VaBuildValue(format, va);
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1175 else
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1176 args = PyTuple_New(0);
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1177
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1178 va_end(va);
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1179
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1180 if (args == NULL)
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1181 return NULL;
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1182
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1183 assert(PyTuple_Check(args));
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1184 retval = PyObject_Call(func, args, NULL);
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1185
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1186 Py_DECREF(args);
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1187 Py_DECREF(func);
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1188
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1189 return retval;
19913
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1190 }
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1191
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1192 /* Clone of call_method() that returns NotImplemented when the lookup fails. */
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1193
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
1194 static PyObject *
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1195 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
1196 {
61466
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diff changeset
1197 va_list va;
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parents: 59538
diff changeset
1198 PyObject *args, *func = 0, *retval;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1199 va_start(va, format);
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parents: 59538
diff changeset
1200
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parents: 59538
diff changeset
1201 func = lookup_maybe(o, name, nameobj);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1202 if (func == NULL) {
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parents: 59538
diff changeset
1203 va_end(va);
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parents: 59538
diff changeset
1204 if (!PyErr_Occurred()) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1205 Py_INCREF(Py_NotImplemented);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1206 return Py_NotImplemented;
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parents: 59538
diff changeset
1207 }
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parents: 59538
diff changeset
1208 return NULL;
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parents: 59538
diff changeset
1209 }
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parents: 59538
diff changeset
1210
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parents: 59538
diff changeset
1211 if (format && *format)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1212 args = Py_VaBuildValue(format, va);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1213 else
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parents: 59538
diff changeset
1214 args = PyTuple_New(0);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1215
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parents: 59538
diff changeset
1216 va_end(va);
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parents: 59538
diff changeset
1217
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1218 if (args == NULL)
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parents: 59538
diff changeset
1219 return NULL;
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parents: 59538
diff changeset
1220
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parents: 59538
diff changeset
1221 assert(PyTuple_Check(args));
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1222 retval = PyObject_Call(func, args, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1223
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1224 Py_DECREF(args);
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parents: 59538
diff changeset
1225 Py_DECREF(func);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1226
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1227 return retval;
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1228 }
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1229
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1230 /*
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1231 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
1232 "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
1233 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
1234 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
1235 (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
1236
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1237 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
1238
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1239 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
1240 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
1241
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1242 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
1243
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1244 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
1245 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
1246 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
1247
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1248 Monotonicity.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1249 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
1250 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
1251
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1252 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
1253 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
1254 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
1255 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
1256 */
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1257
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1258 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
1259 tail_contains(PyObject *list, int whence, PyObject *o) {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1260 Py_ssize_t j, size;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1261 size = PyList_GET_SIZE(list);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1262
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parents: 59538
diff changeset
1263 for (j = whence+1; j < size; j++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1264 if (PyList_GET_ITEM(list, j) == o)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1265 return 1;
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parents: 59538
diff changeset
1266 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1267 return 0;
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1268 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1269
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1270 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
1271 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
1272 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1273 PyObject *name = PyObject_GetAttrString(cls, "__name__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1274 if (name == NULL) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1275 PyErr_Clear();
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1276 Py_XDECREF(name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1277 name = PyObject_Repr(cls);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1278 }
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parents: 59538
diff changeset
1279 if (name == NULL)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1280 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1281 if (!PyUnicode_Check(name)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1282 Py_DECREF(name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1283 return NULL;
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parents: 59538
diff changeset
1284 }
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parents: 59538
diff changeset
1285 return 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
1286 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1287
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1288 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
1289 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
1290 {
61466
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parents: 59538
diff changeset
1291 Py_ssize_t i, j, n;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1292 /* Let's use a quadratic time algorithm,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1293 assuming that the bases lists is short.
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parents: 59538
diff changeset
1294 */
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parents: 59538
diff changeset
1295 n = PyList_GET_SIZE(list);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1296 for (i = 0; i < n; i++) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1297 PyObject *o = PyList_GET_ITEM(list, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1298 for (j = i + 1; j < n; j++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1299 if (PyList_GET_ITEM(list, j) == o) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1300 o = class_name(o);
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parents: 59538
diff changeset
1301 if (o != NULL) {
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parents: 59538
diff changeset
1302 PyErr_Format(PyExc_TypeError,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1303 "duplicate base class %U",
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parents: 59538
diff changeset
1304 o);
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parents: 59538
diff changeset
1305 Py_DECREF(o);
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parents: 59538
diff changeset
1306 } else {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1307 PyErr_SetString(PyExc_TypeError,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1308 "duplicate base class");
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parents: 59538
diff changeset
1309 }
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parents: 59538
diff changeset
1310 return -1;
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parents: 59538
diff changeset
1311 }
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parents: 59538
diff changeset
1312 }
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parents: 59538
diff changeset
1313 }
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parents: 59538
diff changeset
1314 return 0;
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1315 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1316
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1317 /* 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
1318
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1319 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
1320 insight into error reporting, report the classes that were candidates
61466
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parents: 59538
diff changeset
1321 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
1322 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
1323 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
1324 */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1325
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1326 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
1327 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
1328 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
1329 Py_ssize_t i, n, off, to_merge_size;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1330 char buf[1000];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1331 PyObject *k, *v;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1332 PyObject *set = PyDict_New();
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1333 if (!set) return;
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parents: 59538
diff changeset
1334
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parents: 59538
diff changeset
1335 to_merge_size = PyList_GET_SIZE(to_merge);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1336 for (i = 0; i < to_merge_size; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1337 PyObject *L = PyList_GET_ITEM(to_merge, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1338 if (remain[i] < PyList_GET_SIZE(L)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1339 PyObject *c = PyList_GET_ITEM(L, remain[i]);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1340 if (PyDict_SetItem(set, c, Py_None) < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1341 Py_DECREF(set);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1342 return;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1343 }
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parents: 59538
diff changeset
1344 }
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parents: 59538
diff changeset
1345 }
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parents: 59538
diff changeset
1346 n = PyDict_Size(set);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1347
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parents: 59538
diff changeset
1348 off = PyOS_snprintf(buf, sizeof(buf), "Cannot create a \
28514
9400504cb0b2 SF bug #699934: Obscure error message
Raymond Hettinger <python@rcn.com>
parents: 28403
diff changeset
1349 consistent method resolution\norder (MRO) for bases");
61466
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diff changeset
1350 i = 0;
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parents: 59538
diff changeset
1351 while (PyDict_Next(set, &i, &k, &v) && (size_t)off < sizeof(buf)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1352 PyObject *name = class_name(k);
61721
89ce2f6d4b24 Issue #6697: Check that _PyUnicode_AsString() result is not NULL in typeobject
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
1353 char *name_str;
89ce2f6d4b24 Issue #6697: Check that _PyUnicode_AsString() result is not NULL in typeobject
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
1354 if (name != NULL) {
89ce2f6d4b24 Issue #6697: Check that _PyUnicode_AsString() result is not NULL in typeobject
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
1355 name_str = _PyUnicode_AsString(name);
89ce2f6d4b24 Issue #6697: Check that _PyUnicode_AsString() result is not NULL in typeobject
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
1356 if (name_str == NULL)
61722
7dcd1a269797 Ooops, add missing ";" in my previous commit (r81324, typeobject.c)
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61721
diff changeset
1357 name_str = "?";
61721
89ce2f6d4b24 Issue #6697: Check that _PyUnicode_AsString() result is not NULL in typeobject
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
1358 } else
61722
7dcd1a269797 Ooops, add missing ";" in my previous commit (r81324, typeobject.c)
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61721
diff changeset
1359 name_str = "?";
61721
89ce2f6d4b24 Issue #6697: Check that _PyUnicode_AsString() result is not NULL in typeobject
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
1360 off += PyOS_snprintf(buf + off, sizeof(buf) - off, " %s", name_str);
61466
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diff changeset
1361 Py_XDECREF(name);
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parents: 59538
diff changeset
1362 if (--n && (size_t)(off+1) < sizeof(buf)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1363 buf[off++] = ',';
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diff changeset
1364 buf[off] = '\0';
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diff changeset
1365 }
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diff changeset
1366 }
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parents: 59538
diff changeset
1367 PyErr_SetString(PyExc_TypeError, buf);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1368 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
1369 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1370
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1371 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
1372 pmerge(PyObject *acc, PyObject* to_merge) {
61466
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diff changeset
1373 Py_ssize_t i, j, to_merge_size, empty_cnt;
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diff changeset
1374 int *remain;
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diff changeset
1375 int ok;
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diff changeset
1376
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diff changeset
1377 to_merge_size = PyList_GET_SIZE(to_merge);
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diff changeset
1378
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diff changeset
1379 /* remain stores an index into each sublist of to_merge.
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diff changeset
1380 remain[i] is the index of the next base in to_merge[i]
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diff changeset
1381 that is not included in acc.
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diff changeset
1382 */
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diff changeset
1383 remain = (int *)PyMem_MALLOC(SIZEOF_INT*to_merge_size);
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diff changeset
1384 if (remain == NULL)
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diff changeset
1385 return -1;
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diff changeset
1386 for (i = 0; i < to_merge_size; i++)
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diff changeset
1387 remain[i] = 0;
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1388
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1389 again:
61466
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diff changeset
1390 empty_cnt = 0;
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diff changeset
1391 for (i = 0; i < to_merge_size; i++) {
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parents: 59538
diff changeset
1392 PyObject *candidate;
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diff changeset
1393
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diff changeset
1394 PyObject *cur_list = PyList_GET_ITEM(to_merge, i);
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diff changeset
1395
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diff changeset
1396 if (remain[i] >= PyList_GET_SIZE(cur_list)) {
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diff changeset
1397 empty_cnt++;
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diff changeset
1398 continue;
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diff changeset
1399 }
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diff changeset
1400
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diff changeset
1401 /* Choose next candidate for MRO.
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diff changeset
1402
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diff changeset
1403 The input sequences alone can determine the choice.
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diff changeset
1404 If not, choose the class which appears in the MRO
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diff changeset
1405 of the earliest direct superclass of the new class.
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diff changeset
1406 */
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diff changeset
1407
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diff changeset
1408 candidate = PyList_GET_ITEM(cur_list, remain[i]);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1409 for (j = 0; j < to_merge_size; j++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1410 PyObject *j_lst = PyList_GET_ITEM(to_merge, j);
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parents: 59538
diff changeset
1411 if (tail_contains(j_lst, remain[j], candidate)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1412 goto skip; /* continue outer loop */
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diff changeset
1413 }
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diff changeset
1414 }
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diff changeset
1415 ok = PyList_Append(acc, candidate);
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parents: 59538
diff changeset
1416 if (ok < 0) {
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parents: 59538
diff changeset
1417 PyMem_Free(remain);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
1418 return -1;
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parents: 59538
diff changeset
1419 }
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diff changeset
1420 for (j = 0; j < to_merge_size; j++) {
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parents: 59538
diff changeset
1421 PyObject *j_lst = PyList_GET_ITEM(to_merge, j);
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parents: 59538
diff changeset
1422 if (remain[j] < PyList_GET_SIZE(j_lst) &&
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parents: 59538
diff changeset
1423 PyList_GET_ITEM(j_lst, remain[j]) == candidate) {
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parents: 59538
diff changeset
1424 remain[j]++;
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diff changeset
1425 }
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diff changeset
1426 }
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diff changeset
1427 goto again;
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diff changeset
1428 skip: ;
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diff changeset
1429 }
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diff changeset
1430
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diff changeset
1431 if (empty_cnt == to_merge_size) {
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parents: 59538
diff changeset
1432 PyMem_FREE(remain);
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parents: 59538
diff changeset
1433 return 0;
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diff changeset
1434 }
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diff changeset
1435 set_mro_error(to_merge, remain);
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diff changeset
1436 PyMem_FREE(remain);
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diff changeset
1437 return -1;
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1438 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1439
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1440 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1441 mro_implementation(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1442 {
61466
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diff changeset
1443 Py_ssize_t i, n;
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diff changeset
1444 int ok;
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diff changeset
1445 PyObject *bases, *result;
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parents: 59538
diff changeset
1446 PyObject *to_merge, *bases_aslist;
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diff changeset
1447
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diff changeset
1448 if (type->tp_dict == NULL) {
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diff changeset
1449 if (PyType_Ready(type) < 0)
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diff changeset
1450 return NULL;
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1451 }
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diff changeset
1452
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diff changeset
1453 /* Find a superclass linearization that honors the constraints
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diff changeset
1454 of the explicit lists of bases and the constraints implied by
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parents: 59538
diff changeset
1455 each base class.
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diff changeset
1456
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diff changeset
1457 to_merge is a list of lists, where each list is a superclass
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parents: 59538
diff changeset
1458 linearization implied by a base class. The last element of
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parents: 59538
diff changeset
1459 to_merge is the declared list of bases.
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diff changeset
1460 */
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diff changeset
1461
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parents: 59538
diff changeset
1462 bases = type->tp_bases;
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parents: 59538
diff changeset
1463 n = PyTuple_GET_SIZE(bases);
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parents: 59538
diff changeset
1464
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diff changeset
1465 to_merge = PyList_New(n+1);
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parents: 59538
diff changeset
1466 if (to_merge == NULL)
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diff changeset
1467 return NULL;
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diff changeset
1468
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diff changeset
1469 for (i = 0; i < n; i++) {
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parents: 59538
diff changeset
1470 PyObject *base = PyTuple_GET_ITEM(bases, i);
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parents: 59538
diff changeset
1471 PyObject *parentMRO;
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diff changeset
1472 parentMRO = PySequence_List(((PyTypeObject*)base)->tp_mro);
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parents: 59538
diff changeset
1473 if (parentMRO == NULL) {
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parents: 59538
diff changeset
1474 Py_DECREF(to_merge);
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diff changeset
1475 return NULL;
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parents: 59538
diff changeset
1476 }
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diff changeset
1477
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parents: 59538
diff changeset
1478 PyList_SET_ITEM(to_merge, i, parentMRO);
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diff changeset
1479 }
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diff changeset
1480
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diff changeset
1481 bases_aslist = PySequence_List(bases);
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diff changeset
1482 if (bases_aslist == NULL) {
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diff changeset
1483 Py_DECREF(to_merge);
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diff changeset
1484 return NULL;
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diff changeset
1485 }
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parents: 59538
diff changeset
1486 /* This is just a basic sanity check. */
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parents: 59538
diff changeset
1487 if (check_duplicates(bases_aslist) < 0) {
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parents: 59538
diff changeset
1488 Py_DECREF(to_merge);
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diff changeset
1489 Py_DECREF(bases_aslist);
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diff changeset
1490 return NULL;
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parents: 59538
diff changeset
1491 }
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diff changeset
1492 PyList_SET_ITEM(to_merge, n, bases_aslist);
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parents: 59538
diff changeset
1493
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parents: 59538
diff changeset
1494 result = Py_BuildValue("[O]", (PyObject *)type);
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parents: 59538
diff changeset
1495 if (result == NULL) {
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diff changeset
1496 Py_DECREF(to_merge);
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diff changeset
1497 return NULL;
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diff changeset
1498 }
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diff changeset
1499
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diff changeset
1500 ok = pmerge(result, to_merge);
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diff changeset
1501 Py_DECREF(to_merge);
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diff changeset
1502 if (ok < 0) {
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diff changeset
1503 Py_DECREF(result);
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diff changeset
1504 return NULL;
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diff changeset
1505 }
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diff changeset
1506
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diff changeset
1507 return result;
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parents: 18068
diff changeset
1508 }
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diff changeset
1509
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1510 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
1511 mro_external(PyObject *self)
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1512 {
61466
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diff changeset
1513 PyTypeObject *type = (PyTypeObject *)self;
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diff changeset
1514
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diff changeset
1515 return mro_implementation(type);
18933
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diff changeset
1516 }
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1517
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diff changeset
1518 static int
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diff changeset
1519 mro_internal(PyTypeObject *type)
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diff changeset
1520 {
61466
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diff changeset
1521 PyObject *mro, *result, *tuple;
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diff changeset
1522 int checkit = 0;
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diff changeset
1523
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diff changeset
1524 if (Py_TYPE(type) == &PyType_Type) {
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parents: 59538
diff changeset
1525 result = mro_implementation(type);
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diff changeset
1526 }
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diff changeset
1527 else {
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diff changeset
1528 static PyObject *mro_str;
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parents: 59538
diff changeset
1529 checkit = 1;
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diff changeset
1530 mro = lookup_method((PyObject *)type, "mro", &mro_str);
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parents: 59538
diff changeset
1531 if (mro == NULL)
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parents: 59538
diff changeset
1532 return -1;
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parents: 59538
diff changeset
1533 result = PyObject_CallObject(mro, NULL);
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parents: 59538
diff changeset
1534 Py_DECREF(mro);
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parents: 59538
diff changeset
1535 }
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parents: 59538
diff changeset
1536 if (result == NULL)
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diff changeset
1537 return -1;
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parents: 59538
diff changeset
1538 tuple = PySequence_Tuple(result);
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parents: 59538
diff changeset
1539 Py_DECREF(result);
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parents: 59538
diff changeset
1540 if (tuple == NULL)
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diff changeset
1541 return -1;
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parents: 59538
diff changeset
1542 if (checkit) {
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parents: 59538
diff changeset
1543 Py_ssize_t i, len;
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parents: 59538
diff changeset
1544 PyObject *cls;
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diff changeset
1545 PyTypeObject *solid;
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diff changeset
1546
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diff changeset
1547 solid = solid_base(type);
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parents: 59538
diff changeset
1548
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diff changeset
1549 len = PyTuple_GET_SIZE(tuple);
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parents: 59538
diff changeset
1550
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parents: 59538
diff changeset
1551 for (i = 0; i < len; i++) {
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parents: 59538
diff changeset
1552 PyTypeObject *t;
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diff changeset
1553 cls = PyTuple_GET_ITEM(tuple, i);
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parents: 59538
diff changeset
1554 if (!PyType_Check(cls)) {
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parents: 59538
diff changeset
1555 PyErr_Format(PyExc_TypeError,
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parents: 59538
diff changeset
1556 "mro() returned a non-class ('%.500s')",
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parents: 59538
diff changeset
1557 Py_TYPE(cls)->tp_name);
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parents: 59538
diff changeset
1558 Py_DECREF(tuple);
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diff changeset
1559 return -1;
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parents: 59538
diff changeset
1560 }
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diff changeset
1561 t = (PyTypeObject*)cls;
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diff changeset
1562 if (!PyType_IsSubtype(solid, solid_base(t))) {
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diff changeset
1563 PyErr_Format(PyExc_TypeError,
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diff changeset
1564 "mro() returned base with unsuitable layout ('%.500s')",
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parents: 59538
diff changeset
1565 t->tp_name);
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diff changeset
1566 Py_DECREF(tuple);
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diff changeset
1567 return -1;
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parents: 59538
diff changeset
1568 }
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parents: 59538
diff changeset
1569 }
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parents: 59538
diff changeset
1570 }
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diff changeset
1571 type->tp_mro = tuple;
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diff changeset
1572
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diff changeset
1573 type_mro_modified(type, type->tp_mro);
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parents: 59538
diff changeset
1574 /* corner case: the old-style super class might have been hidden
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parents: 59538
diff changeset
1575 from the custom MRO */
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diff changeset
1576 type_mro_modified(type, type->tp_bases);
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parents: 59538
diff changeset
1577
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parents: 59538
diff changeset
1578 PyType_Modified(type);
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diff changeset
1579
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1580 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1581 }
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1582
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1583
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1584 /* Calculate the best base amongst multiple base classes.
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1585 This is the first one that's on the path to the "solid base". */
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1586
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1587 static PyTypeObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1588 best_base(PyObject *bases)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1589 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1590 Py_ssize_t i, n;
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parents: 59538
diff changeset
1591 PyTypeObject *base, *winner, *candidate, *base_i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1592 PyObject *base_proto;
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parents: 59538
diff changeset
1593
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parents: 59538
diff changeset
1594 assert(PyTuple_Check(bases));
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parents: 59538
diff changeset
1595 n = PyTuple_GET_SIZE(bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1596 assert(n > 0);
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parents: 59538
diff changeset
1597 base = NULL;
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parents: 59538
diff changeset
1598 winner = NULL;
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parents: 59538
diff changeset
1599 for (i = 0; i < n; i++) {
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parents: 59538
diff changeset
1600 base_proto = PyTuple_GET_ITEM(bases, i);
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parents: 59538
diff changeset
1601 if (!PyType_Check(base_proto)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1602 PyErr_SetString(
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1603 PyExc_TypeError,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1604 "bases must be types");
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1605 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1606 }
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parents: 59538
diff changeset
1607 base_i = (PyTypeObject *)base_proto;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1608 if (base_i->tp_dict == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1609 if (PyType_Ready(base_i) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1610 return NULL;
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parents: 59538
diff changeset
1611 }
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parents: 59538
diff changeset
1612 candidate = solid_base(base_i);
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parents: 59538
diff changeset
1613 if (winner == NULL) {
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parents: 59538
diff changeset
1614 winner = candidate;
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parents: 59538
diff changeset
1615 base = base_i;
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parents: 59538
diff changeset
1616 }
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parents: 59538
diff changeset
1617 else if (PyType_IsSubtype(winner, candidate))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1618 ;
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parents: 59538
diff changeset
1619 else if (PyType_IsSubtype(candidate, winner)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1620 winner = candidate;
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parents: 59538
diff changeset
1621 base = base_i;
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parents: 59538
diff changeset
1622 }
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parents: 59538
diff changeset
1623 else {
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parents: 59538
diff changeset
1624 PyErr_SetString(
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parents: 59538
diff changeset
1625 PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1626 "multiple bases have "
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parents: 59538
diff changeset
1627 "instance lay-out conflict");
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1628 return NULL;
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parents: 59538
diff changeset
1629 }
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parents: 59538
diff changeset
1630 }
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parents: 59538
diff changeset
1631 if (base == NULL)
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parents: 59538
diff changeset
1632 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1633 "a new-style class can't have only classic bases");
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parents: 59538
diff changeset
1634 return base;
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1635 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1636
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1637 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1638 extra_ivars(PyTypeObject *type, PyTypeObject *base)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1639 {
61466
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parents: 59538
diff changeset
1640 size_t t_size = type->tp_basicsize;
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parents: 59538
diff changeset
1641 size_t b_size = base->tp_basicsize;
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parents: 59538
diff changeset
1642
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parents: 59538
diff changeset
1643 assert(t_size >= b_size); /* Else type smaller than base! */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1644 if (type->tp_itemsize || base->tp_itemsize) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1645 /* If itemsize is involved, stricter rules */
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parents: 59538
diff changeset
1646 return t_size != b_size ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1647 type->tp_itemsize != base->tp_itemsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1648 }
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parents: 59538
diff changeset
1649 if (type->tp_weaklistoffset && base->tp_weaklistoffset == 0 &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1650 type->tp_weaklistoffset + sizeof(PyObject *) == t_size &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1651 type->tp_flags & Py_TPFLAGS_HEAPTYPE)
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parents: 59538
diff changeset
1652 t_size -= sizeof(PyObject *);
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parents: 59538
diff changeset
1653 if (type->tp_dictoffset && base->tp_dictoffset == 0 &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1654 type->tp_dictoffset + sizeof(PyObject *) == t_size &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1655 type->tp_flags & Py_TPFLAGS_HEAPTYPE)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1656 t_size -= sizeof(PyObject *);
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parents: 59538
diff changeset
1657
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1658 return t_size != b_size;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1659 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1660
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1661 static PyTypeObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1662 solid_base(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1663 {
61466
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parents: 59538
diff changeset
1664 PyTypeObject *base;
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parents: 59538
diff changeset
1665
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parents: 59538
diff changeset
1666 if (type->tp_base)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1667 base = solid_base(type->tp_base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1668 else
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parents: 59538
diff changeset
1669 base = &PyBaseObject_Type;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1670 if (extra_ivars(type, base))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1671 return type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1672 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1673 return base;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1674 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1675
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1676 static void object_dealloc(PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1677 static int object_init(PyObject *, PyObject *, PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1678 static int update_slot(PyTypeObject *, PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1679 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
1680
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1681 /*
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1682 * Helpers for __dict__ descriptor. We don't want to expose the dicts
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1683 * inherited from various builtin types. The builtin base usually provides
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1684 * its own __dict__ descriptor, so we use that when we can.
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1685 */
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1686 static PyTypeObject *
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1687 get_builtin_base_with_dict(PyTypeObject *type)
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1688 {
61466
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diff changeset
1689 while (type->tp_base != NULL) {
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parents: 59538
diff changeset
1690 if (type->tp_dictoffset != 0 &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1691 !(type->tp_flags & Py_TPFLAGS_HEAPTYPE))
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parents: 59538
diff changeset
1692 return type;
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parents: 59538
diff changeset
1693 type = type->tp_base;
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parents: 59538
diff changeset
1694 }
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parents: 59538
diff changeset
1695 return NULL;
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1696 }
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parents: 41587
diff changeset
1697
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1698 static PyObject *
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1699 get_dict_descriptor(PyTypeObject *type)
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
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parents: 41587
diff changeset
1700 {
61466
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parents: 59538
diff changeset
1701 static PyObject *dict_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1702 PyObject *descr;
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parents: 59538
diff changeset
1703
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parents: 59538
diff changeset
1704 if (dict_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1705 dict_str = PyUnicode_InternFromString("__dict__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1706 if (dict_str == NULL)
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parents: 59538
diff changeset
1707 return NULL;
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parents: 59538
diff changeset
1708 }
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parents: 59538
diff changeset
1709 descr = _PyType_Lookup(type, dict_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1710 if (descr == NULL || !PyDescr_IsData(descr))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1711 return NULL;
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parents: 59538
diff changeset
1712
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diff changeset
1713 return descr;
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1714 }
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1715
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1716 static void
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
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parents: 41587
diff changeset
1717 raise_dict_descr_error(PyObject *obj)
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parents: 41587
diff changeset
1718 {
61466
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parents: 59538
diff changeset
1719 PyErr_Format(PyExc_TypeError,
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parents: 59538
diff changeset
1720 "this __dict__ descriptor does not support "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1721 "'%.200s' objects", Py_TYPE(obj)->tp_name);
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
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parents: 41587
diff changeset
1722 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1723
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1724 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
1725 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
1726 {
61466
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parents: 59538
diff changeset
1727 PyObject **dictptr;
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parents: 59538
diff changeset
1728 PyObject *dict;
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parents: 59538
diff changeset
1729 PyTypeObject *base;
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parents: 59538
diff changeset
1730
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diff changeset
1731 base = get_builtin_base_with_dict(Py_TYPE(obj));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1732 if (base != NULL) {
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parents: 59538
diff changeset
1733 descrgetfunc func;
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parents: 59538
diff changeset
1734 PyObject *descr = get_dict_descriptor(base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1735 if (descr == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1736 raise_dict_descr_error(obj);
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parents: 59538
diff changeset
1737 return NULL;
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parents: 59538
diff changeset
1738 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1739 func = Py_TYPE(descr)->tp_descr_get;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1740 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1741 raise_dict_descr_error(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1742 return NULL;
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parents: 59538
diff changeset
1743 }
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diff changeset
1744 return func(descr, obj, (PyObject *)(Py_TYPE(obj)));
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parents: 59538
diff changeset
1745 }
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diff changeset
1746
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diff changeset
1747 dictptr = _PyObject_GetDictPtr(obj);
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parents: 59538
diff changeset
1748 if (dictptr == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
1749 PyErr_SetString(PyExc_AttributeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1750 "This object has no __dict__");
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parents: 59538
diff changeset
1751 return NULL;
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parents: 59538
diff changeset
1752 }
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parents: 59538
diff changeset
1753 dict = *dictptr;
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parents: 59538
diff changeset
1754 if (dict == NULL)
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diff changeset
1755 *dictptr = dict = PyDict_New();
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parents: 59538
diff changeset
1756 Py_XINCREF(dict);
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diff changeset
1757 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
1758 }
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1759
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1760 static int
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1761 subtype_setdict(PyObject *obj, PyObject *value, void *context)
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1762 {
61466
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diff changeset
1763 PyObject **dictptr;
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diff changeset
1764 PyObject *dict;
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parents: 59538
diff changeset
1765 PyTypeObject *base;
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diff changeset
1766
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diff changeset
1767 base = get_builtin_base_with_dict(Py_TYPE(obj));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1768 if (base != NULL) {
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parents: 59538
diff changeset
1769 descrsetfunc func;
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parents: 59538
diff changeset
1770 PyObject *descr = get_dict_descriptor(base);
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diff changeset
1771 if (descr == NULL) {
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diff changeset
1772 raise_dict_descr_error(obj);
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diff changeset
1773 return -1;
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parents: 59538
diff changeset
1774 }
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diff changeset
1775 func = Py_TYPE(descr)->tp_descr_set;
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parents: 59538
diff changeset
1776 if (func == NULL) {
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parents: 59538
diff changeset
1777 raise_dict_descr_error(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1778 return -1;
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parents: 59538
diff changeset
1779 }
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parents: 59538
diff changeset
1780 return func(descr, obj, value);
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parents: 59538
diff changeset
1781 }
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parents: 59538
diff changeset
1782
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parents: 59538
diff changeset
1783 dictptr = _PyObject_GetDictPtr(obj);
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parents: 59538
diff changeset
1784 if (dictptr == NULL) {
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parents: 59538
diff changeset
1785 PyErr_SetString(PyExc_AttributeError,
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parents: 59538
diff changeset
1786 "This object has no __dict__");
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parents: 59538
diff changeset
1787 return -1;
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parents: 59538
diff changeset
1788 }
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diff changeset
1789 if (value != NULL && !PyDict_Check(value)) {
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parents: 59538
diff changeset
1790 PyErr_Format(PyExc_TypeError,
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parents: 59538
diff changeset
1791 "__dict__ must be set to a dictionary, "
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parents: 59538
diff changeset
1792 "not a '%.200s'", Py_TYPE(value)->tp_name);
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diff changeset
1793 return -1;
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parents: 59538
diff changeset
1794 }
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diff changeset
1795 dict = *dictptr;
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diff changeset
1796 Py_XINCREF(value);
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diff changeset
1797 *dictptr = value;
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diff changeset
1798 Py_XDECREF(dict);
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parents: 59538
diff changeset
1799 return 0;
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1800 }
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1801
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
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parents: 24728
diff changeset
1802 static PyObject *
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
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parents: 24728
diff changeset
1803 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
1804 {
61466
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diff changeset
1805 PyObject **weaklistptr;
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diff changeset
1806 PyObject *result;
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diff changeset
1807
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diff changeset
1808 if (Py_TYPE(obj)->tp_weaklistoffset == 0) {
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parents: 59538
diff changeset
1809 PyErr_SetString(PyExc_AttributeError,
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diff changeset
1810 "This object has no __weakref__");
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diff changeset
1811 return NULL;
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diff changeset
1812 }
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diff changeset
1813 assert(Py_TYPE(obj)->tp_weaklistoffset > 0);
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diff changeset
1814 assert(Py_TYPE(obj)->tp_weaklistoffset + sizeof(PyObject *) <=
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parents: 59538
diff changeset
1815 (size_t)(Py_TYPE(obj)->tp_basicsize));
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diff changeset
1816 weaklistptr = (PyObject **)
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diff changeset
1817 ((char *)obj + Py_TYPE(obj)->tp_weaklistoffset);
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diff changeset
1818 if (*weaklistptr == NULL)
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diff changeset
1819 result = Py_None;
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diff changeset
1820 else
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diff changeset
1821 result = *weaklistptr;
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diff changeset
1822 Py_INCREF(result);
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diff changeset
1823 return result;
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1824 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1825
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
1826 /* 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
1827
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1828 static PyGetSetDef subtype_getsets_full[] = {
61466
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diff changeset
1829 {"__dict__", subtype_dict, subtype_setdict,
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diff changeset
1830 PyDoc_STR("dictionary for instance variables (if defined)")},
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diff changeset
1831 {"__weakref__", subtype_getweakref, NULL,
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diff changeset
1832 PyDoc_STR("list of weak references to the object (if defined)")},
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diff changeset
1833 {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
1834 };
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
27132
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Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1836 static PyGetSetDef subtype_getsets_dict_only[] = {
61466
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diff changeset
1837 {"__dict__", subtype_dict, subtype_setdict,
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diff changeset
1838 PyDoc_STR("dictionary for instance variables (if defined)")},
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diff changeset
1839 {0}
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
1840 };
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1841
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1842 static PyGetSetDef subtype_getsets_weakref_only[] = {
61466
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diff changeset
1843 {"__weakref__", subtype_getweakref, NULL,
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diff changeset
1844 PyDoc_STR("list of weak references to the object (if defined)")},
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diff changeset
1845 {0}
27132
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Guido van Rossum <guido@python.org>
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diff changeset
1846 };
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
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diff changeset
1847
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1848 static int
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1849 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
1850 {
61466
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diff changeset
1851 if (!PyUnicode_Check(s)) {
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diff changeset
1852 PyErr_Format(PyExc_TypeError,
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1853 "__slots__ items must be strings, not '%.200s'",
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1854 Py_TYPE(s)->tp_name);
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1855 return 0;
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1856 }
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1857 if (!PyUnicode_IsIdentifier(s)) {
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1858 PyErr_SetString(PyExc_TypeError,
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diff changeset
1859 "__slots__ must be identifiers");
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1860 return 0;
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1861 }
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1862 return 1;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1863 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
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1864
41554
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1865 /* Forward */
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1866 static int
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1867 object_init(PyObject *self, PyObject *args, PyObject *kwds);
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1868
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1869 static int
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1870 type_init(PyObject *cls, PyObject *args, PyObject *kwds)
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1871 {
61466
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1872 int res;
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1873
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1874 assert(args != NULL && PyTuple_Check(args));
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1875 assert(kwds == NULL || PyDict_Check(kwds));
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1876
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1877 if (kwds != NULL && PyDict_Check(kwds) && PyDict_Size(kwds) != 0) {
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1878 PyErr_SetString(PyExc_TypeError,
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1879 "type.__init__() takes no keyword arguments");
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1880 return -1;
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1881 }
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1882
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1883 if (args != NULL && PyTuple_Check(args) &&
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1884 (PyTuple_GET_SIZE(args) != 1 && PyTuple_GET_SIZE(args) != 3)) {
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1885 PyErr_SetString(PyExc_TypeError,
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1886 "type.__init__() takes 1 or 3 arguments");
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1887 return -1;
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1888 }
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1889
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1890 /* Call object.__init__(self) now. */
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1891 /* XXX Could call super(type, cls).__init__() but what's the point? */
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1892 args = PyTuple_GetSlice(args, 0, 0);
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1893 res = object_init(cls, args, NULL);
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1894 Py_DECREF(args);
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1895 return res;
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1896 }
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1897
19616
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
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1898 static PyObject *
18933
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1899 type_new(PyTypeObject *metatype, PyObject *args, PyObject *kwds)
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1900 {
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1901 PyObject *name, *bases, *dict;
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1902 static char *kwlist[] = {"name", "bases", "dict", 0};
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1903 PyObject *slots, *tmp, *newslots;
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1904 PyTypeObject *type, *base, *tmptype, *winner;
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1905 PyHeapTypeObject *et;
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1906 PyMemberDef *mp;
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1907 Py_ssize_t i, nbases, nslots, slotoffset, add_dict, add_weak;
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1908 int j, may_add_dict, may_add_weak;
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1909
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1910 assert(args != NULL && PyTuple_Check(args));
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1911 assert(kwds == NULL || PyDict_Check(kwds));
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1912
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1913 /* Special case: type(x) should return x->ob_type */
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1914 {
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1915 const Py_ssize_t nargs = PyTuple_GET_SIZE(args);
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1916 const Py_ssize_t nkwds = kwds == NULL ? 0 : PyDict_Size(kwds);
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1917
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1918 if (PyType_CheckExact(metatype) && nargs == 1 && nkwds == 0) {
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1919 PyObject *x = PyTuple_GET_ITEM(args, 0);
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1920 Py_INCREF(Py_TYPE(x));
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1921 return (PyObject *) Py_TYPE(x);
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1922 }
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1923
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1924 /* SF bug 475327 -- if that didn't trigger, we need 3
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1925 arguments. but PyArg_ParseTupleAndKeywords below may give
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1926 a msg saying type() needs exactly 3. */
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1927 if (nargs + nkwds != 3) {
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1928 PyErr_SetString(PyExc_TypeError,
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1929 "type() takes 1 or 3 arguments");
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1930 return NULL;
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1931 }
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1932 }
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1933
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1934 /* Check arguments: (name, bases, dict) */
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1935 if (!PyArg_ParseTupleAndKeywords(args, kwds, "UO!O!:type", kwlist,
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1936 &name,
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1937 &PyTuple_Type, &bases,
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1938 &PyDict_Type, &dict))
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1939 return NULL;
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1940
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1941 /* Determine the proper metatype to deal with this,
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1942 and check for metatype conflicts while we're at it.
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1943 Note that if some other metatype wins to contract,
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1944 it's possible that its instances are not types. */
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1945 nbases = PyTuple_GET_SIZE(bases);
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1946 winner = metatype;
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1947 for (i = 0; i < nbases; i++) {
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1948 tmp = PyTuple_GET_ITEM(bases, i);
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1949 tmptype = Py_TYPE(tmp);
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1950 if (PyType_IsSubtype(winner, tmptype))
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1951 continue;
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1952 if (PyType_IsSubtype(tmptype, winner)) {
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1953 winner = tmptype;
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1954 continue;
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1955 }
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1956 PyErr_SetString(PyExc_TypeError,
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1957 "metaclass conflict: "
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1958 "the metaclass of a derived class "
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1959 "must be a (non-strict) subclass "
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1960 "of the metaclasses of all its bases");
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1961 return NULL;
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1962 }
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1963 if (winner != metatype) {
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1964 if (winner->tp_new != type_new) /* Pass it to the winner */
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1965 return winner->tp_new(winner, args, kwds);
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1966 metatype = winner;
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1967 }
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1968
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1969 /* Adjust for empty tuple bases */
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1970 if (nbases == 0) {
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1971 bases = PyTuple_Pack(1, &PyBaseObject_Type);
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1972 if (bases == NULL)
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1973 return NULL;
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1974 nbases = 1;
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1975 }
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1976 else
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1977 Py_INCREF(bases);
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1978
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1979 /* XXX From here until type is allocated, "return NULL" leaks bases! */
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1980
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1981 /* Calculate best base, and check that all bases are type objects */
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1982 base = best_base(bases);
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1983 if (base == NULL) {
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diff changeset
1984 Py_DECREF(bases);
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diff changeset
1985 return NULL;
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diff changeset
1986 }
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diff changeset
1987 if (!PyType_HasFeature(base, Py_TPFLAGS_BASETYPE)) {
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diff changeset
1988 PyErr_Format(PyExc_TypeError,
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diff changeset
1989 "type '%.100s' is not an acceptable base type",
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diff changeset
1990 base->tp_name);
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diff changeset
1991 Py_DECREF(bases);
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diff changeset
1992 return NULL;
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diff changeset
1993 }
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diff changeset
1994
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diff changeset
1995 /* Check for a __slots__ sequence variable in dict, and count it */
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diff changeset
1996 slots = PyDict_GetItemString(dict, "__slots__");
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diff changeset
1997 nslots = 0;
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diff changeset
1998 add_dict = 0;
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diff changeset
1999 add_weak = 0;
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diff changeset
2000 may_add_dict = base->tp_dictoffset == 0;
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diff changeset
2001 may_add_weak = base->tp_weaklistoffset == 0 && base->tp_itemsize == 0;
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diff changeset
2002 if (slots == NULL) {
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diff changeset
2003 if (may_add_dict) {
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parents: 59538
diff changeset
2004 add_dict++;
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parents: 59538
diff changeset
2005 }
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parents: 59538
diff changeset
2006 if (may_add_weak) {
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parents: 59538
diff changeset
2007 add_weak++;
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parents: 59538
diff changeset
2008 }
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diff changeset
2009 }
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diff changeset
2010 else {
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parents: 59538
diff changeset
2011 /* Have slots */
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parents: 59538
diff changeset
2012
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parents: 59538
diff changeset
2013 /* Make it into a tuple */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2014 if (PyUnicode_Check(slots))
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2015 slots = PyTuple_Pack(1, slots);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2016 else
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parents: 59538
diff changeset
2017 slots = PySequence_Tuple(slots);
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parents: 59538
diff changeset
2018 if (slots == NULL) {
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parents: 59538
diff changeset
2019 Py_DECREF(bases);
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parents: 59538
diff changeset
2020 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2021 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2022 assert(PyTuple_Check(slots));
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2023
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parents: 59538
diff changeset
2024 /* Are slots allowed? */
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parents: 59538
diff changeset
2025 nslots = PyTuple_GET_SIZE(slots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2026 if (nslots > 0 && base->tp_itemsize != 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2027 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2028 "nonempty __slots__ "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2029 "not supported for subtype of '%s'",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2030 base->tp_name);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2031 bad_slots:
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2032 Py_DECREF(bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2033 Py_DECREF(slots);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2034 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2035 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2036
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2037 /* Check for valid slot names and two special cases */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2038 for (i = 0; i < nslots; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2039 PyObject *tmp = PyTuple_GET_ITEM(slots, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2040 if (!valid_identifier(tmp))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2041 goto bad_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2042 assert(PyUnicode_Check(tmp));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2043 if (PyUnicode_CompareWithASCIIString(tmp, "__dict__") == 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2044 if (!may_add_dict || add_dict) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2045 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2046 "__dict__ slot disallowed: "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2047 "we already got one");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2048 goto bad_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2049 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2050 add_dict++;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2051 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2052 if (PyUnicode_CompareWithASCIIString(tmp, "__weakref__") == 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2053 if (!may_add_weak || add_weak) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2054 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2055 "__weakref__ slot disallowed: "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2056 "either we already got one, "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2057 "or __itemsize__ != 0");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2058 goto bad_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2059 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2060 add_weak++;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2061 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2062 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2063
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2064 /* Copy slots into a list, mangle names and sort them.
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2065 Sorted names are needed for __class__ assignment.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2066 Convert them back to tuple at the end.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2067 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2068 newslots = PyList_New(nslots - add_dict - add_weak);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2069 if (newslots == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2070 goto bad_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2071 for (i = j = 0; i < nslots; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2072 tmp = PyTuple_GET_ITEM(slots, i);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2073 if ((add_dict &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2074 PyUnicode_CompareWithASCIIString(tmp, "__dict__") == 0) ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2075 (add_weak &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2076 PyUnicode_CompareWithASCIIString(tmp, "__weakref__") == 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2077 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2078 tmp =_Py_Mangle(name, tmp);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2079 if (!tmp)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2080 goto bad_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2081 PyList_SET_ITEM(newslots, j, tmp);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2082 j++;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2083 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2084 assert(j == nslots - add_dict - add_weak);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2085 nslots = j;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2086 Py_DECREF(slots);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2087 if (PyList_Sort(newslots) == -1) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2088 Py_DECREF(bases);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2089 Py_DECREF(newslots);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2090 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2091 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2092 slots = PyList_AsTuple(newslots);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2093 Py_DECREF(newslots);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2094 if (slots == NULL) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2095 Py_DECREF(bases);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2096 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2097 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2098
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2099 /* Secondary bases may provide weakrefs or dict */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2100 if (nbases > 1 &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2101 ((may_add_dict && !add_dict) ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2102 (may_add_weak && !add_weak))) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2103 for (i = 0; i < nbases; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2104 tmp = PyTuple_GET_ITEM(bases, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2105 if (tmp == (PyObject *)base)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2106 continue; /* Skip primary base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2107 assert(PyType_Check(tmp));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2108 tmptype = (PyTypeObject *)tmp;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2109 if (may_add_dict && !add_dict &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2110 tmptype->tp_dictoffset != 0)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2111 add_dict++;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2112 if (may_add_weak && !add_weak &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2113 tmptype->tp_weaklistoffset != 0)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2114 add_weak++;
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diff changeset
2115 if (may_add_dict && !add_dict)
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diff changeset
2116 continue;
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diff changeset
2117 if (may_add_weak && !add_weak)
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diff changeset
2118 continue;
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diff changeset
2119 /* Nothing more to check */
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diff changeset
2120 break;
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diff changeset
2121 }
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diff changeset
2122 }
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diff changeset
2123 }
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diff changeset
2124
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diff changeset
2125 /* XXX From here until type is safely allocated,
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diff changeset
2126 "return NULL" may leak slots! */
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diff changeset
2127
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diff changeset
2128 /* Allocate the type object */
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diff changeset
2129 type = (PyTypeObject *)metatype->tp_alloc(metatype, nslots);
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diff changeset
2130 if (type == NULL) {
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diff changeset
2131 Py_XDECREF(slots);
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diff changeset
2132 Py_DECREF(bases);
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diff changeset
2133 return NULL;
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diff changeset
2134 }
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diff changeset
2135
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diff changeset
2136 /* Keep name and slots alive in the extended type object */
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diff changeset
2137 et = (PyHeapTypeObject *)type;
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diff changeset
2138 Py_INCREF(name);
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diff changeset
2139 et->ht_name = name;
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diff changeset
2140 et->ht_slots = slots;
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diff changeset
2141
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diff changeset
2142 /* Initialize tp_flags */
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diff changeset
2143 type->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HEAPTYPE |
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diff changeset
2144 Py_TPFLAGS_BASETYPE;
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diff changeset
2145 if (base->tp_flags & Py_TPFLAGS_HAVE_GC)
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diff changeset
2146 type->tp_flags |= Py_TPFLAGS_HAVE_GC;
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diff changeset
2147
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diff changeset
2148 /* Initialize essential fields */
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diff changeset
2149 type->tp_as_number = &et->as_number;
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diff changeset
2150 type->tp_as_sequence = &et->as_sequence;
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diff changeset
2151 type->tp_as_mapping = &et->as_mapping;
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diff changeset
2152 type->tp_as_buffer = &et->as_buffer;
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diff changeset
2153 type->tp_name = _PyUnicode_AsString(name);
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diff changeset
2154 if (!type->tp_name) {
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diff changeset
2155 Py_DECREF(type);
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diff changeset
2156 return NULL;
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diff changeset
2157 }
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diff changeset
2158
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diff changeset
2159 /* Set tp_base and tp_bases */
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diff changeset
2160 type->tp_bases = bases;
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diff changeset
2161 Py_INCREF(base);
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diff changeset
2162 type->tp_base = base;
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diff changeset
2163
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diff changeset
2164 /* Initialize tp_dict from passed-in dict */
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diff changeset
2165 type->tp_dict = dict = PyDict_Copy(dict);
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2166 if (dict == NULL) {
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2167 Py_DECREF(type);
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diff changeset
2168 return NULL;
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2169 }
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diff changeset
2170
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diff changeset
2171 /* Set __module__ in the dict */
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2172 if (PyDict_GetItemString(dict, "__module__") == NULL) {
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diff changeset
2173 tmp = PyEval_GetGlobals();
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2174 if (tmp != NULL) {
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2175 tmp = PyDict_GetItemString(tmp, "__name__");
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2176 if (tmp != NULL) {
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diff changeset
2177 if (PyDict_SetItemString(dict, "__module__",
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diff changeset
2178 tmp) < 0)
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diff changeset
2179 return NULL;
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diff changeset
2180 }
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diff changeset
2181 }
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diff changeset
2182 }
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diff changeset
2183
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diff changeset
2184 /* Set tp_doc to a copy of dict['__doc__'], if the latter is there
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diff changeset
2185 and is a string. The __doc__ accessor will first look for tp_doc;
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diff changeset
2186 if that fails, it will still look into __dict__.
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diff changeset
2187 */
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2188 {
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diff changeset
2189 PyObject *doc = PyDict_GetItemString(dict, "__doc__");
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diff changeset
2190 if (doc != NULL && PyUnicode_Check(doc)) {
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diff changeset
2191 Py_ssize_t len;
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diff changeset
2192 char *doc_str;
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diff changeset
2193 char *tp_doc;
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diff changeset
2194
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diff changeset
2195 doc_str = _PyUnicode_AsString(doc);
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diff changeset
2196 if (doc_str == NULL) {
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diff changeset
2197 Py_DECREF(type);
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diff changeset
2198 return NULL;
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diff changeset
2199 }
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diff changeset
2200 /* Silently truncate the docstring if it contains null bytes. */
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diff changeset
2201 len = strlen(doc_str);
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diff changeset
2202 tp_doc = (char *)PyObject_MALLOC(len + 1);
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diff changeset
2203 if (tp_doc == NULL) {
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diff changeset
2204 Py_DECREF(type);
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diff changeset
2205 return NULL;
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diff changeset
2206 }
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diff changeset
2207 memcpy(tp_doc, doc_str, len + 1);
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diff changeset
2208 type->tp_doc = tp_doc;
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diff changeset
2209 }
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2210 }
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diff changeset
2211
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diff changeset
2212 /* Special-case __new__: if it's a plain function,
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diff changeset
2213 make it a static function */
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diff changeset
2214 tmp = PyDict_GetItemString(dict, "__new__");
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diff changeset
2215 if (tmp != NULL && PyFunction_Check(tmp)) {
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diff changeset
2216 tmp = PyStaticMethod_New(tmp);
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2217 if (tmp == NULL) {
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diff changeset
2218 Py_DECREF(type);
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diff changeset
2219 return NULL;
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2220 }
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2221 PyDict_SetItemString(dict, "__new__", tmp);
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2222 Py_DECREF(tmp);
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2223 }
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2224
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diff changeset
2225 /* Add descriptors for custom slots from __slots__, or for __dict__ */
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diff changeset
2226 mp = PyHeapType_GET_MEMBERS(et);
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diff changeset
2227 slotoffset = base->tp_basicsize;
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2228 if (slots != NULL) {
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2229 for (i = 0; i < nslots; i++, mp++) {
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2230 mp->name = _PyUnicode_AsString(
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diff changeset
2231 PyTuple_GET_ITEM(slots, i));
61721
89ce2f6d4b24 Issue #6697: Check that _PyUnicode_AsString() result is not NULL in typeobject
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
2232 if (mp->name == NULL) {
89ce2f6d4b24 Issue #6697: Check that _PyUnicode_AsString() result is not NULL in typeobject
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
2233 Py_DECREF(type);
89ce2f6d4b24 Issue #6697: Check that _PyUnicode_AsString() result is not NULL in typeobject
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
2234 return NULL;
89ce2f6d4b24 Issue #6697: Check that _PyUnicode_AsString() result is not NULL in typeobject
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
2235 }
61466
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2236 mp->type = T_OBJECT_EX;
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2237 mp->offset = slotoffset;
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2238
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2239 /* __dict__ and __weakref__ are already filtered out */
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diff changeset
2240 assert(strcmp(mp->name, "__dict__") != 0);
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2241 assert(strcmp(mp->name, "__weakref__") != 0);
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2242
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2243 slotoffset += sizeof(PyObject *);
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2244 }
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diff changeset
2245 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2246 if (add_dict) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2247 if (base->tp_itemsize)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2248 type->tp_dictoffset = -(long)sizeof(PyObject *);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2249 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2250 type->tp_dictoffset = slotoffset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2251 slotoffset += sizeof(PyObject *);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2252 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2253 if (add_weak) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2254 assert(!base->tp_itemsize);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2255 type->tp_weaklistoffset = slotoffset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2256 slotoffset += sizeof(PyObject *);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2257 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2258 type->tp_basicsize = slotoffset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2259 type->tp_itemsize = base->tp_itemsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2260 type->tp_members = PyHeapType_GET_MEMBERS(et);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2261
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2262 if (type->tp_weaklistoffset && type->tp_dictoffset)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2263 type->tp_getset = subtype_getsets_full;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2264 else if (type->tp_weaklistoffset && !type->tp_dictoffset)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2265 type->tp_getset = subtype_getsets_weakref_only;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2266 else if (!type->tp_weaklistoffset && type->tp_dictoffset)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2267 type->tp_getset = subtype_getsets_dict_only;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2268 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2269 type->tp_getset = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2270
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2271 /* Special case some slots */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2272 if (type->tp_dictoffset != 0 || nslots > 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2273 if (base->tp_getattr == NULL && base->tp_getattro == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2274 type->tp_getattro = PyObject_GenericGetAttr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2275 if (base->tp_setattr == NULL && base->tp_setattro == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2276 type->tp_setattro = PyObject_GenericSetAttr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2277 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2278 type->tp_dealloc = subtype_dealloc;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2279
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2280 /* Enable GC unless there are really no instance variables possible */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2281 if (!(type->tp_basicsize == sizeof(PyObject) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2282 type->tp_itemsize == 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2283 type->tp_flags |= Py_TPFLAGS_HAVE_GC;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2284
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2285 /* Always override allocation strategy to use regular heap */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2286 type->tp_alloc = PyType_GenericAlloc;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2287 if (type->tp_flags & Py_TPFLAGS_HAVE_GC) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2288 type->tp_free = PyObject_GC_Del;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2289 type->tp_traverse = subtype_traverse;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2290 type->tp_clear = subtype_clear;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2291 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2292 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2293 type->tp_free = PyObject_Del;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2294
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2295 /* Initialize the rest */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2296 if (PyType_Ready(type) < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2297 Py_DECREF(type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2298 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2299 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2300
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2301 /* Put the proper slots in place */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2302 fixup_slot_dispatchers(type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2303
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2304 return (PyObject *)type;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2305 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2306
66664
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2307 static short slotoffsets[] = {
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2308 -1, /* invalid slot */
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2309 #include "typeslots.inc"
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2310 };
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2311
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2312 PyObject* PyType_FromSpec(PyType_Spec *spec)
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2313 {
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2314 PyHeapTypeObject *res = (PyHeapTypeObject*)PyType_GenericAlloc(&PyType_Type, 0);
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2315 char *res_start = (char*)res;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2316 PyType_Slot *slot;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2317
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2318 res->ht_name = PyUnicode_FromString(spec->name);
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2319 if (!res->ht_name)
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2320 goto fail;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2321 res->ht_type.tp_name = _PyUnicode_AsString(res->ht_name);
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2322 if (!res->ht_type.tp_name)
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2323 goto fail;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2324
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2325 res->ht_type.tp_basicsize = spec->basicsize;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2326 res->ht_type.tp_itemsize = spec->itemsize;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2327 res->ht_type.tp_flags = spec->flags | Py_TPFLAGS_HEAPTYPE;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2328
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2329 for (slot = spec->slots; slot->slot; slot++) {
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2330 if (slot->slot >= sizeof(slotoffsets)/sizeof(slotoffsets[0])) {
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2331 PyErr_SetString(PyExc_RuntimeError, "invalid slot offset");
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2332 goto fail;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2333 }
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2334 *(void**)(res_start + slotoffsets[slot->slot]) = slot->pfunc;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2335 }
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2336
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2337 return (PyObject*)res;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2338
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2339 fail:
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2340 Py_DECREF(res);
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2341 return NULL;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2342 }
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2343
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2344
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2345 /* 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
2346 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
2347 PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2348 _PyType_Lookup(PyTypeObject *type, PyObject *name)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2349 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2350 Py_ssize_t i, n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2351 PyObject *mro, *res, *base, *dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2352 unsigned int h;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2353
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2354 if (MCACHE_CACHEABLE_NAME(name) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2355 PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2356 /* fast path */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2357 h = MCACHE_HASH_METHOD(type, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2358 if (method_cache[h].version == type->tp_version_tag &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2359 method_cache[h].name == name)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2360 return method_cache[h].value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2361 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2362
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2363 /* Look in tp_dict of types in MRO */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2364 mro = type->tp_mro;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2365
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2366 /* If mro is NULL, the type is either not yet initialized
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2367 by PyType_Ready(), or already cleared by type_clear().
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2368 Either way the safest thing to do is to return NULL. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2369 if (mro == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2370 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2371
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2372 res = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2373 assert(PyTuple_Check(mro));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2374 n = PyTuple_GET_SIZE(mro);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2375 for (i = 0; i < n; i++) {
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parents: 59538
diff changeset
2376 base = PyTuple_GET_ITEM(mro, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2377 assert(PyType_Check(base));
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2378 dict = ((PyTypeObject *)base)->tp_dict;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2379 assert(dict && PyDict_Check(dict));
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2380 res = PyDict_GetItem(dict, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2381 if (res != NULL)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2382 break;
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parents: 59538
diff changeset
2383 }
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parents: 59538
diff changeset
2384
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2385 if (MCACHE_CACHEABLE_NAME(name) && assign_version_tag(type)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2386 h = MCACHE_HASH_METHOD(type, name);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2387 method_cache[h].version = type->tp_version_tag;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2388 method_cache[h].value = res; /* borrowed */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2389 Py_INCREF(name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2390 Py_DECREF(method_cache[h].name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2391 method_cache[h].name = name;
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parents: 59538
diff changeset
2392 }
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parents: 59538
diff changeset
2393 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2394 }
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parents: 18068
diff changeset
2395
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parents: 18068
diff changeset
2396 /* This is similar to PyObject_GenericGetAttr(),
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parents: 18068
diff changeset
2397 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
2398 static PyObject *
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parents: 18068
diff changeset
2399 type_getattro(PyTypeObject *type, PyObject *name)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2400 {
61466
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diff changeset
2401 PyTypeObject *metatype = Py_TYPE(type);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2402 PyObject *meta_attribute, *attribute;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2403 descrgetfunc meta_get;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2404
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parents: 59538
diff changeset
2405 /* Initialize this type (we'll assume the metatype is initialized) */
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parents: 59538
diff changeset
2406 if (type->tp_dict == NULL) {
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parents: 59538
diff changeset
2407 if (PyType_Ready(type) < 0)
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parents: 59538
diff changeset
2408 return NULL;
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parents: 59538
diff changeset
2409 }
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parents: 59538
diff changeset
2410
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parents: 59538
diff changeset
2411 /* No readable descriptor found yet */
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parents: 59538
diff changeset
2412 meta_get = NULL;
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parents: 59538
diff changeset
2413
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parents: 59538
diff changeset
2414 /* Look for the attribute in the metatype */
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parents: 59538
diff changeset
2415 meta_attribute = _PyType_Lookup(metatype, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2416
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parents: 59538
diff changeset
2417 if (meta_attribute != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2418 meta_get = Py_TYPE(meta_attribute)->tp_descr_get;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2419
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parents: 59538
diff changeset
2420 if (meta_get != NULL && PyDescr_IsData(meta_attribute)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2421 /* Data descriptors implement tp_descr_set to intercept
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2422 * writes. Assume the attribute is not overridden in
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2423 * type's tp_dict (and bases): call the descriptor now.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2424 */
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parents: 59538
diff changeset
2425 return meta_get(meta_attribute, (PyObject *)type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2426 (PyObject *)metatype);
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parents: 59538
diff changeset
2427 }
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parents: 59538
diff changeset
2428 Py_INCREF(meta_attribute);
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parents: 59538
diff changeset
2429 }
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parents: 59538
diff changeset
2430
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parents: 59538
diff changeset
2431 /* No data descriptor found on metatype. Look in tp_dict of this
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2432 * type and its bases */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2433 attribute = _PyType_Lookup(type, name);
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parents: 59538
diff changeset
2434 if (attribute != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2435 /* Implement descriptor functionality, if any */
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parents: 59538
diff changeset
2436 descrgetfunc local_get = Py_TYPE(attribute)->tp_descr_get;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2437
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parents: 59538
diff changeset
2438 Py_XDECREF(meta_attribute);
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parents: 59538
diff changeset
2439
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2440 if (local_get != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2441 /* NULL 2nd argument indicates the descriptor was
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2442 * found on the target object itself (or a base) */
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parents: 59538
diff changeset
2443 return local_get(attribute, (PyObject *)NULL,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2444 (PyObject *)type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2445 }
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parents: 59538
diff changeset
2446
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parents: 59538
diff changeset
2447 Py_INCREF(attribute);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2448 return attribute;
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parents: 59538
diff changeset
2449 }
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parents: 59538
diff changeset
2450
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parents: 59538
diff changeset
2451 /* No attribute found in local __dict__ (or bases): use the
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2452 * descriptor from the metatype, if any */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2453 if (meta_get != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2454 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2455 res = meta_get(meta_attribute, (PyObject *)type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2456 (PyObject *)metatype);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2457 Py_DECREF(meta_attribute);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2458 return res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2459 }
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diff changeset
2460
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parents: 59538
diff changeset
2461 /* If an ordinary attribute was found on the metatype, return it now */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2462 if (meta_attribute != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2463 return meta_attribute;
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parents: 59538
diff changeset
2464 }
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parents: 59538
diff changeset
2465
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parents: 59538
diff changeset
2466 /* Give up */
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parents: 59538
diff changeset
2467 PyErr_Format(PyExc_AttributeError,
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parents: 59538
diff changeset
2468 "type object '%.50s' has no attribute '%U'",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2469 type->tp_name, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2470 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2471 }
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2472
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2473 static int
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2474 type_setattro(PyTypeObject *type, PyObject *name, PyObject *value)
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2475 {
61466
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diff changeset
2476 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
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parents: 59538
diff changeset
2477 PyErr_Format(
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diff changeset
2478 PyExc_TypeError,
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parents: 59538
diff changeset
2479 "can't set attributes of built-in/extension type '%s'",
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parents: 59538
diff changeset
2480 type->tp_name);
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parents: 59538
diff changeset
2481 return -1;
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parents: 59538
diff changeset
2482 }
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parents: 59538
diff changeset
2483 if (PyObject_GenericSetAttr((PyObject *)type, name, value) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2484 return -1;
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parents: 59538
diff changeset
2485 return update_slot(type, name);
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2486 }
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parents: 18068
diff changeset
2487
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2488 static void
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2489 type_dealloc(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2490 {
61466
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diff changeset
2491 PyHeapTypeObject *et;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2492
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parents: 59538
diff changeset
2493 /* Assert this is a heap-allocated type object */
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parents: 59538
diff changeset
2494 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2495 _PyObject_GC_UNTRACK(type);
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parents: 59538
diff changeset
2496 PyObject_ClearWeakRefs((PyObject *)type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2497 et = (PyHeapTypeObject *)type;
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parents: 59538
diff changeset
2498 Py_XDECREF(type->tp_base);
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parents: 59538
diff changeset
2499 Py_XDECREF(type->tp_dict);
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diff changeset
2500 Py_XDECREF(type->tp_bases);
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diff changeset
2501 Py_XDECREF(type->tp_mro);
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diff changeset
2502 Py_XDECREF(type->tp_cache);
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parents: 59538
diff changeset
2503 Py_XDECREF(type->tp_subclasses);
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parents: 59538
diff changeset
2504 /* A type's tp_doc is heap allocated, unlike the tp_doc slots
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parents: 59538
diff changeset
2505 * of most other objects. It's okay to cast it to char *.
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diff changeset
2506 */
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parents: 59538
diff changeset
2507 PyObject_Free((char *)type->tp_doc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2508 Py_XDECREF(et->ht_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2509 Py_XDECREF(et->ht_slots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2510 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
2511 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2512
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2513 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
2514 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
2515 {
61466
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parents: 59538
diff changeset
2516 PyObject *list, *raw, *ref;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2517 Py_ssize_t i, n;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2518
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2519 list = PyList_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2520 if (list == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2521 return NULL;
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parents: 59538
diff changeset
2522 raw = type->tp_subclasses;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2523 if (raw == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2524 return list;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2525 assert(PyList_Check(raw));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2526 n = PyList_GET_SIZE(raw);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2527 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2528 ref = PyList_GET_ITEM(raw, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2529 assert(PyWeakref_CheckRef(ref));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2530 ref = PyWeakref_GET_OBJECT(ref);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2531 if (ref != Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2532 if (PyList_Append(list, ref) < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2533 Py_DECREF(list);
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parents: 59538
diff changeset
2534 return NULL;
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parents: 59538
diff changeset
2535 }
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parents: 59538
diff changeset
2536 }
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parents: 59538
diff changeset
2537 }
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parents: 59538
diff changeset
2538 return list;
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2539 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2540
42420
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2541 static PyObject *
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2542 type_prepare(PyObject *self, PyObject *args, PyObject *kwds)
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2543 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2544 return PyDict_New();
42420
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2545 }
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2546
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parents: 18068
diff changeset
2547 static PyMethodDef type_methods[] = {
61466
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parents: 59538
diff changeset
2548 {"mro", (PyCFunction)mro_external, METH_NOARGS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2549 PyDoc_STR("mro() -> list\nreturn a type's method resolution order")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2550 {"__subclasses__", (PyCFunction)type_subclasses, METH_NOARGS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2551 PyDoc_STR("__subclasses__() -> list of immediate subclasses")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2552 {"__prepare__", (PyCFunction)type_prepare,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2553 METH_VARARGS | METH_KEYWORDS | METH_CLASS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2554 PyDoc_STR("__prepare__() -> dict\n"
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2555 "used to create the namespace for the class statement")},
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parents: 59538
diff changeset
2556 {"__instancecheck__", type___instancecheck__, METH_O,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2557 PyDoc_STR("__instancecheck__() -> check if an object is an instance")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2558 {"__subclasscheck__", type___subclasscheck__, METH_O,
64076
e3df34544db9 Issue #8983: Corrected docstrings.
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 63949
diff changeset
2559 PyDoc_STR("__subclasscheck__() -> check if a class is a subclass")},
61466
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diff changeset
2560 {0}
18933
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parents: 18068
diff changeset
2561 };
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parents: 18068
diff changeset
2562
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23830
diff changeset
2563 PyDoc_STRVAR(type_doc,
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2564 "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
2565 "type(name, bases, dict) -> a new type");
18933
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parents: 18068
diff changeset
2566
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2567 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
2568 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
2569 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2570 /* Because of type_is_gc(), the collector only calls this
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2571 for heaptypes. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2572 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
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parents: 59538
diff changeset
2573
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parents: 59538
diff changeset
2574 Py_VISIT(type->tp_dict);
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parents: 59538
diff changeset
2575 Py_VISIT(type->tp_cache);
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parents: 59538
diff changeset
2576 Py_VISIT(type->tp_mro);
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parents: 59538
diff changeset
2577 Py_VISIT(type->tp_bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2578 Py_VISIT(type->tp_base);
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parents: 59538
diff changeset
2579
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2580 /* There's no need to visit type->tp_subclasses or
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2581 ((PyHeapTypeObject *)type)->ht_slots, because they can't be involved
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2582 in cycles; tp_subclasses is a list of weak references,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2583 and slots is a tuple of strings. */
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parents: 59538
diff changeset
2584
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parents: 59538
diff changeset
2585 return 0;
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2586 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2587
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2588 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
2589 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
2590 {
61466
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parents: 59538
diff changeset
2591 /* Because of type_is_gc(), the collector only calls this
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2592 for heaptypes. */
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parents: 59538
diff changeset
2593 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
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parents: 59538
diff changeset
2594
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parents: 59538
diff changeset
2595 /* The only field we need to clear is tp_mro, which is part of a
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2596 hard cycle (its first element is the class itself) that won't
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2597 be broken otherwise (it's a tuple and tuples don't have a
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2598 tp_clear handler). None of the other fields need to be
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parents: 59538
diff changeset
2599 cleared, and here's why:
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parents: 59538
diff changeset
2600
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parents: 59538
diff changeset
2601 tp_dict:
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parents: 59538
diff changeset
2602 It is a dict, so the collector will call its tp_clear.
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parents: 59538
diff changeset
2603
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parents: 59538
diff changeset
2604 tp_cache:
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parents: 59538
diff changeset
2605 Not used; if it were, it would be a dict.
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parents: 59538
diff changeset
2606
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parents: 59538
diff changeset
2607 tp_bases, tp_base:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2608 If these are involved in a cycle, there must be at least
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2609 one other, mutable object in the cycle, e.g. a base
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2610 class's dict; the cycle will be broken that way.
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parents: 59538
diff changeset
2611
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parents: 59538
diff changeset
2612 tp_subclasses:
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parents: 59538
diff changeset
2613 A list of weak references can't be part of a cycle; and
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2614 lists have their own tp_clear.
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parents: 59538
diff changeset
2615
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parents: 59538
diff changeset
2616 slots (in PyHeapTypeObject):
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parents: 59538
diff changeset
2617 A tuple of strings can't be part of a cycle.
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parents: 59538
diff changeset
2618 */
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diff changeset
2619
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diff changeset
2620 Py_CLEAR(type->tp_mro);
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parents: 59538
diff changeset
2621
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diff changeset
2622 return 0;
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2623 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2624
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2625 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
2626 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
2627 {
61466
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parents: 59538
diff changeset
2628 return 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
2629 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2630
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
2631 PyTypeObject PyType_Type = {
61466
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parents: 59538
diff changeset
2632 PyVarObject_HEAD_INIT(&PyType_Type, 0)
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parents: 59538
diff changeset
2633 "type", /* tp_name */
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diff changeset
2634 sizeof(PyHeapTypeObject), /* tp_basicsize */
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parents: 59538
diff changeset
2635 sizeof(PyMemberDef), /* tp_itemsize */
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diff changeset
2636 (destructor)type_dealloc, /* tp_dealloc */
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diff changeset
2637 0, /* tp_print */
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diff changeset
2638 0, /* tp_getattr */
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diff changeset
2639 0, /* tp_setattr */
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diff changeset
2640 0, /* tp_reserved */
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diff changeset
2641 (reprfunc)type_repr, /* tp_repr */
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2642 0, /* tp_as_number */
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diff changeset
2643 0, /* tp_as_sequence */
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diff changeset
2644 0, /* tp_as_mapping */
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diff changeset
2645 0, /* tp_hash */
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diff changeset
2646 (ternaryfunc)type_call, /* tp_call */
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diff changeset
2647 0, /* tp_str */
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diff changeset
2648 (getattrofunc)type_getattro, /* tp_getattro */
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diff changeset
2649 (setattrofunc)type_setattro, /* tp_setattro */
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diff changeset
2650 0, /* tp_as_buffer */
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diff changeset
2651 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
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diff changeset
2652 Py_TPFLAGS_BASETYPE | Py_TPFLAGS_TYPE_SUBCLASS, /* tp_flags */
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diff changeset
2653 type_doc, /* tp_doc */
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diff changeset
2654 (traverseproc)type_traverse, /* tp_traverse */
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diff changeset
2655 (inquiry)type_clear, /* tp_clear */
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diff changeset
2656 0, /* tp_richcompare */
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diff changeset
2657 offsetof(PyTypeObject, tp_weaklist), /* tp_weaklistoffset */
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diff changeset
2658 0, /* tp_iter */
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diff changeset
2659 0, /* tp_iternext */
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diff changeset
2660 type_methods, /* tp_methods */
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diff changeset
2661 type_members, /* tp_members */
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diff changeset
2662 type_getsets, /* tp_getset */
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diff changeset
2663 0, /* tp_base */
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diff changeset
2664 0, /* tp_dict */
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diff changeset
2665 0, /* tp_descr_get */
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diff changeset
2666 0, /* tp_descr_set */
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diff changeset
2667 offsetof(PyTypeObject, tp_dict), /* tp_dictoffset */
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diff changeset
2668 type_init, /* tp_init */
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diff changeset
2669 0, /* tp_alloc */
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diff changeset
2670 type_new, /* tp_new */
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diff changeset
2671 PyObject_GC_Del, /* tp_free */
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diff changeset
2672 (inquiry)type_is_gc, /* tp_is_gc */
18933
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2673 };
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2674
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diff changeset
2675
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2676 /* The base type of all types (eventually)... except itself. */
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2677
41554
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diff changeset
2678 /* You may wonder why object.__new__() only complains about arguments
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diff changeset
2679 when object.__init__() is not overridden, and vice versa.
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diff changeset
2680
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diff changeset
2681 Consider the use cases:
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diff changeset
2682
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2683 1. When neither is overridden, we want to hear complaints about
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diff changeset
2684 excess (i.e., any) arguments, since their presence could
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diff changeset
2685 indicate there's a bug.
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diff changeset
2686
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diff changeset
2687 2. When defining an Immutable type, we are likely to override only
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diff changeset
2688 __new__(), since __init__() is called too late to initialize an
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diff changeset
2689 Immutable object. Since __new__() defines the signature for the
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diff changeset
2690 type, it would be a pain to have to override __init__() just to
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diff changeset
2691 stop it from complaining about excess arguments.
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diff changeset
2692
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diff changeset
2693 3. When defining a Mutable type, we are likely to override only
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diff changeset
2694 __init__(). So here the converse reasoning applies: we don't
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diff changeset
2695 want to have to override __new__() just to stop it from
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diff changeset
2696 complaining.
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diff changeset
2697
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diff changeset
2698 4. When __init__() is overridden, and the subclass __init__() calls
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diff changeset
2699 object.__init__(), the latter should complain about excess
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diff changeset
2700 arguments; ditto for __new__().
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2701
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diff changeset
2702 Use cases 2 and 3 make it unattractive to unconditionally check for
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diff changeset
2703 excess arguments. The best solution that addresses all four use
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diff changeset
2704 cases is as follows: __init__() complains about excess arguments
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diff changeset
2705 unless __new__() is overridden and __init__() is not overridden
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diff changeset
2706 (IOW, if __init__() is overridden or __new__() is not overridden);
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diff changeset
2707 symmetrically, __new__() complains about excess arguments unless
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diff changeset
2708 __init__() is overridden and __new__() is not overridden
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diff changeset
2709 (IOW, if __new__() is overridden or __init__() is not overridden).
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diff changeset
2710
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diff changeset
2711 However, for backwards compatibility, this breaks too much code.
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diff changeset
2712 Therefore, in 2.6, we'll *warn* about excess arguments when both
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diff changeset
2713 methods are overridden; for all other cases we'll use the above
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diff changeset
2714 rules.
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diff changeset
2715
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diff changeset
2716 */
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diff changeset
2717
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diff changeset
2718 /* Forward */
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diff changeset
2719 static PyObject *
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diff changeset
2720 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds);
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diff changeset
2721
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diff changeset
2722 static int
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diff changeset
2723 excess_args(PyObject *args, PyObject *kwds)
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diff changeset
2724 {
61466
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diff changeset
2725 return PyTuple_GET_SIZE(args) ||
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diff changeset
2726 (kwds && PyDict_Check(kwds) && PyDict_Size(kwds));
41554
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diff changeset
2727 }
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2728
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diff changeset
2729 static int
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2730 object_init(PyObject *self, PyObject *args, PyObject *kwds)
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diff changeset
2731 {
61466
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diff changeset
2732 int err = 0;
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diff changeset
2733 if (excess_args(args, kwds)) {
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diff changeset
2734 PyTypeObject *type = Py_TYPE(self);
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diff changeset
2735 if (type->tp_init != object_init &&
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diff changeset
2736 type->tp_new != object_new)
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diff changeset
2737 {
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diff changeset
2738 err = PyErr_WarnEx(PyExc_DeprecationWarning,
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2739 "object.__init__() takes no parameters",
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diff changeset
2740 1);
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2741 }
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2742 else if (type->tp_init != object_init ||
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diff changeset
2743 type->tp_new == object_new)
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diff changeset
2744 {
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2745 PyErr_SetString(PyExc_TypeError,
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diff changeset
2746 "object.__init__() takes no parameters");
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diff changeset
2747 err = -1;
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diff changeset
2748 }
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diff changeset
2749 }
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2750 return err;
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2751 }
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2752
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
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2753 static PyObject *
bbbba0ee61fb SF patch #685738 by Michael Stone.
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diff changeset
2754 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
bbbba0ee61fb SF patch #685738 by Michael Stone.
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parents: 27831
diff changeset
2755 {
61466
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2756 int err = 0;
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2757 if (excess_args(args, kwds)) {
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2758 if (type->tp_new != object_new &&
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diff changeset
2759 type->tp_init != object_init)
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diff changeset
2760 {
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diff changeset
2761 err = PyErr_WarnEx(PyExc_DeprecationWarning,
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2762 "object.__new__() takes no parameters",
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2763 1);
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2764 }
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diff changeset
2765 else if (type->tp_new != object_new ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2766 type->tp_init == object_init)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2767 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2768 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2769 "object.__new__() takes no parameters");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2770 err = -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2771 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2772 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2773 if (err < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2774 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2775
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2776 if (type->tp_flags & Py_TPFLAGS_IS_ABSTRACT) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2777 static PyObject *comma = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2778 PyObject *abstract_methods = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2779 PyObject *builtins;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2780 PyObject *sorted;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2781 PyObject *sorted_methods = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2782 PyObject *joined = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2783
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2784 /* Compute ", ".join(sorted(type.__abstractmethods__))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2785 into joined. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2786 abstract_methods = type_abstractmethods(type, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2787 if (abstract_methods == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2788 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2789 builtins = PyEval_GetBuiltins();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2790 if (builtins == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2791 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2792 sorted = PyDict_GetItemString(builtins, "sorted");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2793 if (sorted == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2794 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2795 sorted_methods = PyObject_CallFunctionObjArgs(sorted,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2796 abstract_methods,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2797 NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2798 if (sorted_methods == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2799 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2800 if (comma == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2801 comma = PyUnicode_InternFromString(", ");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2802 if (comma == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2803 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2804 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2805 joined = PyObject_CallMethod(comma, "join",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2806 "O", sorted_methods);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2807 if (joined == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2808 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2809
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2810 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2811 "Can't instantiate abstract class %s "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2812 "with abstract methods %U",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2813 type->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2814 joined);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2815 error:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2816 Py_XDECREF(joined);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2817 Py_XDECREF(sorted_methods);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2818 Py_XDECREF(abstract_methods);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2819 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2820 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2821 return type->tp_alloc(type, 0);
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2822 }
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2823
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2824 static void
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2825 object_dealloc(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2826 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2827 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
2828 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2829
19194
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2830 static PyObject *
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2831 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
2832 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2833 PyTypeObject *type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2834 PyObject *mod, *name, *rtn;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2835
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2836 type = Py_TYPE(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2837 mod = type_module(type, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2838 if (mod == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2839 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2840 else if (!PyUnicode_Check(mod)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2841 Py_DECREF(mod);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2842 mod = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2843 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2844 name = type_name(type, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2845 if (name == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2846 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2847 if (mod != NULL && PyUnicode_CompareWithASCIIString(mod, "builtins"))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2848 rtn = PyUnicode_FromFormat("<%U.%U object at %p>", mod, name, self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2849 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2850 rtn = PyUnicode_FromFormat("<%s object at %p>",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2851 type->tp_name, self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2852 Py_XDECREF(mod);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2853 Py_DECREF(name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2854 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
2855 }
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2856
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2857 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2858 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
2859 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2860 unaryfunc f;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2861
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2862 f = Py_TYPE(self)->tp_repr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2863 if (f == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2864 f = object_repr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2865 return f(self);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2866 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2867
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2868 static PyObject *
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2869 object_richcompare(PyObject *self, PyObject *other, int op)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2870 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2871 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2872
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2873 switch (op) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2874
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2875 case Py_EQ:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2876 /* Return NotImplemented instead of False, so if two
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2877 objects are compared, both get a chance at the
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2878 comparison. See issue #1393. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2879 res = (self == other) ? Py_True : Py_NotImplemented;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2880 Py_INCREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2881 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2882
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2883 case Py_NE:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2884 /* By default, != returns the opposite of ==,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2885 unless the latter returns NotImplemented. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2886 res = PyObject_RichCompare(self, other, Py_EQ);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2887 if (res != NULL && res != Py_NotImplemented) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2888 int ok = PyObject_IsTrue(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2889 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2890 if (ok < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2891 res = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2892 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2893 if (ok)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2894 res = Py_False;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2895 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2896 res = Py_True;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2897 Py_INCREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2898 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2899 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2900 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2901
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2902 default:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2903 res = Py_NotImplemented;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2904 Py_INCREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2905 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2906 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2907
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2908 return res;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2909 }
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2910
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2911 static PyObject *
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2912 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
2913 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2914 Py_INCREF(Py_TYPE(self));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2915 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
2916 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2917
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2918 static int
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2919 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
2920 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2921 return a == b ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2922 (a != NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2923 b != NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2924 a->tp_basicsize == b->tp_basicsize &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2925 a->tp_itemsize == b->tp_itemsize &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2926 a->tp_dictoffset == b->tp_dictoffset &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2927 a->tp_weaklistoffset == b->tp_weaklistoffset &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2928 ((a->tp_flags & Py_TPFLAGS_HAVE_GC) ==
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2929 (b->tp_flags & Py_TPFLAGS_HAVE_GC)));
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2930 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2931
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2932 static int
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2933 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
2934 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2935 PyTypeObject *base = a->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2936 Py_ssize_t size;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2937 PyObject *slots_a, *slots_b;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2938
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2939 if (base != b->tp_base)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2940 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2941 if (equiv_structs(a, base) && equiv_structs(b, base))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2942 return 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2943 size = base->tp_basicsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2944 if (a->tp_dictoffset == size && b->tp_dictoffset == size)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2945 size += sizeof(PyObject *);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2946 if (a->tp_weaklistoffset == size && b->tp_weaklistoffset == size)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2947 size += sizeof(PyObject *);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2948
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2949 /* Check slots compliance */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2950 slots_a = ((PyHeapTypeObject *)a)->ht_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2951 slots_b = ((PyHeapTypeObject *)b)->ht_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2952 if (slots_a && slots_b) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2953 if (PyObject_RichCompareBool(slots_a, slots_b, Py_EQ) != 1)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2954 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2955 size += sizeof(PyObject *) * PyTuple_GET_SIZE(slots_a);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2956 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2957 return size == a->tp_basicsize && size == b->tp_basicsize;
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2958 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2959
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2960 static int
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
2961 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
2962 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2963 PyTypeObject *newbase, *oldbase;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2964
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2965 if (newto->tp_dealloc != oldto->tp_dealloc ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2966 newto->tp_free != oldto->tp_free)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2967 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2968 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2969 "%s assignment: "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2970 "'%s' deallocator differs from '%s'",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2971 attr,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2972 newto->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2973 oldto->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2974 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2975 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2976 newbase = newto;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2977 oldbase = oldto;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2978 while (equiv_structs(newbase, newbase->tp_base))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2979 newbase = newbase->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2980 while (equiv_structs(oldbase, oldbase->tp_base))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2981 oldbase = oldbase->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2982 if (newbase != oldbase &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2983 (newbase->tp_base != oldbase->tp_base ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2984 !same_slots_added(newbase, oldbase))) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2985 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2986 "%s assignment: "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2987 "'%s' object layout differs from '%s'",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2988 attr,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2989 newto->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2990 oldto->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2991 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2992 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2993
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2994 return 1;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2995 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2996
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2997 static int
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2998 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
2999 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3000 PyTypeObject *oldto = Py_TYPE(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3001 PyTypeObject *newto;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3002
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3003 if (value == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3004 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3005 "can't delete __class__ attribute");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3006 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3007 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3008 if (!PyType_Check(value)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3009 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3010 "__class__ must be set to new-style class, not '%s' object",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3011 Py_TYPE(value)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3012 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3013 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3014 newto = (PyTypeObject *)value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3015 if (!(newto->tp_flags & Py_TPFLAGS_HEAPTYPE) ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3016 !(oldto->tp_flags & Py_TPFLAGS_HEAPTYPE))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3017 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3018 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3019 "__class__ assignment: only for heap types");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3020 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3021 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3022 if (compatible_for_assignment(newto, oldto, "__class__")) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3023 Py_INCREF(newto);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3024 Py_TYPE(self) = newto;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3025 Py_DECREF(oldto);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3026 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3027 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3028 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3029 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3030 }
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3031 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3032
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3033 static PyGetSetDef object_getsets[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3034 {"__class__", object_get_class, object_set_class,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3035 PyDoc_STR("the object's class")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3036 {0}
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3037 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3038
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3039
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3040 /* Stuff to implement __reduce_ex__ for pickle protocols >= 2.
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3041 We fall back to helpers in copyreg for:
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3042 - pickle protocols < 2
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3043 - 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
3044 - 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
3045 */
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3046
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3047 static PyObject *
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3048 import_copyreg(void)
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3049 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3050 static PyObject *copyreg_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3051
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3052 if (!copyreg_str) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3053 copyreg_str = PyUnicode_InternFromString("copyreg");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3054 if (copyreg_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3055 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3056 }
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3057
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3058 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
3059 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3060
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3061 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3062 slotnames(PyObject *cls)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3063 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3064 PyObject *clsdict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3065 PyObject *copyreg;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3066 PyObject *slotnames;
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3067
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3068 if (!PyType_Check(cls)) {
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3069 Py_INCREF(Py_None);
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3070 return Py_None;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3071 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3072
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3073 clsdict = ((PyTypeObject *)cls)->tp_dict;
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3074 slotnames = PyDict_GetItemString(clsdict, "__slotnames__");
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3075 if (slotnames != NULL && PyList_Check(slotnames)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3076 Py_INCREF(slotnames);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3077 return slotnames;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3078 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3079
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3080 copyreg = import_copyreg();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3081 if (copyreg == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3082 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3083
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3084 slotnames = PyObject_CallMethod(copyreg, "_slotnames", "O", cls);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3085 Py_DECREF(copyreg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3086 if (slotnames != NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3087 slotnames != Py_None &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3088 !PyList_Check(slotnames))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3089 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3090 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3091 "copyreg._slotnames didn't return a list or None");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3092 Py_DECREF(slotnames);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3093 slotnames = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3094 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3095
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3096 return slotnames;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3097 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3098
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3099 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3100 reduce_2(PyObject *obj)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3101 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3102 PyObject *cls, *getnewargs;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3103 PyObject *args = NULL, *args2 = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3104 PyObject *getstate = NULL, *state = NULL, *names = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3105 PyObject *slots = NULL, *listitems = NULL, *dictitems = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3106 PyObject *copyreg = NULL, *newobj = NULL, *res = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3107 Py_ssize_t i, n;
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3108
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3109 cls = PyObject_GetAttrString(obj, "__class__");
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3110 if (cls == NULL)
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3111 return NULL;
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3112
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3113 getnewargs = PyObject_GetAttrString(obj, "__getnewargs__");
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3114 if (getnewargs != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3115 args = PyObject_CallObject(getnewargs, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3116 Py_DECREF(getnewargs);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3117 if (args != NULL && !PyTuple_Check(args)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3118 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3119 "__getnewargs__ should return a tuple, "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3120 "not '%.200s'", Py_TYPE(args)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3121 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3122 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3123 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3124 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3125 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3126 args = PyTuple_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3127 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3128 if (args == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3129 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3130
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3131 getstate = PyObject_GetAttrString(obj, "__getstate__");
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3132 if (getstate != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3133 state = PyObject_CallObject(getstate, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3134 Py_DECREF(getstate);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3135 if (state == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3136 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3137 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3138 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3139 PyErr_Clear();
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3140 state = PyObject_GetAttrString(obj, "__dict__");
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3141 if (state == NULL) {
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3142 PyErr_Clear();
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3143 state = Py_None;
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3144 Py_INCREF(state);
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3145 }
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3146 names = slotnames(cls);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3147 if (names == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3148 goto end;
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3149 if (names != Py_None) {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3150 assert(PyList_Check(names));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3151 slots = PyDict_New();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3152 if (slots == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3153 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3154 n = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3155 /* Can't pre-compute the list size; the list
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3156 is stored on the class so accessible to other
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3157 threads, which may be run by DECREF */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3158 for (i = 0; i < PyList_GET_SIZE(names); i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3159 PyObject *name, *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3160 name = PyList_GET_ITEM(names, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3161 value = PyObject_GetAttr(obj, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3162 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3163 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3164 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3165 int err = PyDict_SetItem(slots, name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3166 value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3167 Py_DECREF(value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3168 if (err)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3169 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3170 n++;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3171 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3172 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3173 if (n) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3174 state = Py_BuildValue("(NO)", state, slots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3175 if (state == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3176 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3177 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3178 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3179 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3180
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3181 if (!PyList_Check(obj)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3182 listitems = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3183 Py_INCREF(listitems);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3184 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3185 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3186 listitems = PyObject_GetIter(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3187 if (listitems == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3188 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3189 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3190
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3191 if (!PyDict_Check(obj)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3192 dictitems = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3193 Py_INCREF(dictitems);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3194 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3195 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3196 PyObject *items = PyObject_CallMethod(obj, "items", "");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3197 if (items == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3198 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3199 dictitems = PyObject_GetIter(items);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3200 Py_DECREF(items);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3201 if (dictitems == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3202 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3203 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3204
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3205 copyreg = import_copyreg();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3206 if (copyreg == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3207 goto end;
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3208 newobj = PyObject_GetAttrString(copyreg, "__newobj__");
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3209 if (newobj == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3210 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3211
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3212 n = PyTuple_GET_SIZE(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3213 args2 = PyTuple_New(n+1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3214 if (args2 == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3215 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3216 PyTuple_SET_ITEM(args2, 0, cls);
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3217 cls = NULL;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3218 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3219 PyObject *v = PyTuple_GET_ITEM(args, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3220 Py_INCREF(v);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3221 PyTuple_SET_ITEM(args2, i+1, v);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3222 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3223
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3224 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
3225
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3226 end:
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3227 Py_XDECREF(cls);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3228 Py_XDECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3229 Py_XDECREF(args2);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3230 Py_XDECREF(slots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3231 Py_XDECREF(state);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3232 Py_XDECREF(names);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3233 Py_XDECREF(listitems);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3234 Py_XDECREF(dictitems);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3235 Py_XDECREF(copyreg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3236 Py_XDECREF(newobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3237 return res;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3238 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3239
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3240 /*
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3241 * There were two problems when object.__reduce__ and object.__reduce_ex__
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3242 * were implemented in the same function:
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3243 * - trying to pickle an object with a custom __reduce__ method that
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3244 * fell back to object.__reduce__ in certain circumstances led to
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3245 * infinite recursion at Python level and eventual RuntimeError.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3246 * - Pickling objects that lied about their type by overwriting the
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3247 * __class__ descriptor could lead to infinite recursion at C level
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3248 * and eventual segfault.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3249 *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3250 * Because of backwards compatibility, the two methods still have to
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3251 * behave in the same way, even if this is not required by the pickle
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3252 * protocol. This common functionality was moved to the _common_reduce
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3253 * function.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3254 */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3255 static PyObject *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3256 _common_reduce(PyObject *self, int proto)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3257 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3258 PyObject *copyreg, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3259
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3260 if (proto >= 2)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3261 return reduce_2(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3262
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3263 copyreg = import_copyreg();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3264 if (!copyreg)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3265 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3266
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3267 res = PyEval_CallMethod(copyreg, "_reduce_ex", "(Oi)", self, proto);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3268 Py_DECREF(copyreg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3269
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3270 return res;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3271 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3272
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3273 static PyObject *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3274 object_reduce(PyObject *self, PyObject *args)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3275 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3276 int proto = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3277
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3278 if (!PyArg_ParseTuple(args, "|i:__reduce__", &proto))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3279 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3280
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3281 return _common_reduce(self, proto);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3282 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3283
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3284 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3285 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
3286 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3287 PyObject *reduce, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3288 int proto = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3289
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3290 if (!PyArg_ParseTuple(args, "|i:__reduce_ex__", &proto))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3291 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3292
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3293 reduce = PyObject_GetAttrString(self, "__reduce__");
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3294 if (reduce == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3295 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3296 else {
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3297 PyObject *cls, *clsreduce, *objreduce;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3298 int override;
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3299 cls = PyObject_GetAttrString(self, "__class__");
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3300 if (cls == NULL) {
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3301 Py_DECREF(reduce);
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3302 return NULL;
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3303 }
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3304 clsreduce = PyObject_GetAttrString(cls, "__reduce__");
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3305 Py_DECREF(cls);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3306 if (clsreduce == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3307 Py_DECREF(reduce);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3308 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3309 }
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3310 objreduce = PyDict_GetItemString(PyBaseObject_Type.tp_dict,
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3311 "__reduce__");
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3312 override = (clsreduce != objreduce);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3313 Py_DECREF(clsreduce);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3314 if (override) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3315 res = PyObject_CallObject(reduce, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3316 Py_DECREF(reduce);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3317 return res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3318 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3319 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3320 Py_DECREF(reduce);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3321 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3322
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3323 return _common_reduce(self, proto);
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3324 }
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3325
45549
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
3326 static PyObject *
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
3327 object_subclasshook(PyObject *cls, PyObject *args)
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
3328 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3329 Py_INCREF(Py_NotImplemented);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3330 return Py_NotImplemented;
45549
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
3331 }
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
3332
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
3333 PyDoc_STRVAR(object_subclasshook_doc,
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
3334 "Abstract classes can override this to customize issubclass().\n"
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
3335 "\n"
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
3336 "This is invoked early on by abc.ABCMeta.__subclasscheck__().\n"
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
3337 "It should return True, False or NotImplemented. If it returns\n"
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
3338 "NotImplemented, the normal algorithm is used. Otherwise, it\n"
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
3339 "overrides the normal algorithm (and the outcome is cached).\n");
42817
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3340
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3341 /*
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3342 from PEP 3101, this code implements:
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3343
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3344 class object:
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3345 def __format__(self, format_spec):
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3346 return format(str(self), format_spec)
42817
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3347 */
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3348 static PyObject *
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3349 object_format(PyObject *self, PyObject *args)
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3350 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3351 PyObject *format_spec;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3352 PyObject *self_as_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3353 PyObject *result = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3354
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3355 if (!PyArg_ParseTuple(args, "U:__format__", &format_spec))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3356 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3357
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3358 self_as_str = PyObject_Str(self);
64724
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3359 if (self_as_str != NULL) {
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3360 /* Issue 7994: If we're converting to a string, we
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3361 should reject format specifications */
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3362 if (PyUnicode_GET_SIZE(format_spec) > 0) {
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3363 if (PyErr_WarnEx(PyExc_PendingDeprecationWarning,
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3364 "object.__format__ with a non-empty format "
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3365 "string is deprecated", 1) < 0) {
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3366 goto done;
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3367 }
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3368 /* Eventually this will become an error:
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3369 PyErr_Format(PyExc_TypeError,
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3370 "non-empty format string passed to object.__format__");
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3371 goto done;
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3372 */
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3373 }
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3374
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3375 result = PyObject_Format(self_as_str, format_spec);
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3376 }
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3377
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3378 done:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3379 Py_XDECREF(self_as_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3380
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3381 return result;
42817
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3382 }
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3383
47466
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3384 static PyObject *
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3385 object_sizeof(PyObject *self, PyObject *args)
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3386 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3387 Py_ssize_t res, isize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3388
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3389 res = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3390 isize = self->ob_type->tp_itemsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3391 if (isize > 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3392 res = Py_SIZE(self->ob_type) * isize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3393 res += self->ob_type->tp_basicsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3394
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3395 return PyLong_FromSsize_t(res);
47466
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3396 }
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3397
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3398 static PyMethodDef object_methods[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3399 {"__reduce_ex__", object_reduce_ex, METH_VARARGS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3400 PyDoc_STR("helper for pickle")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3401 {"__reduce__", object_reduce, METH_VARARGS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3402 PyDoc_STR("helper for pickle")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3403 {"__subclasshook__", object_subclasshook, METH_CLASS | METH_VARARGS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3404 object_subclasshook_doc},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3405 {"__format__", object_format, METH_VARARGS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3406 PyDoc_STR("default object formatter")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3407 {"__sizeof__", object_sizeof, METH_NOARGS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3408 PyDoc_STR("__sizeof__() -> size of object in memory, in bytes")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3409 {0}
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3410 };
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3411
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3412
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3413 PyTypeObject PyBaseObject_Type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3414 PyVarObject_HEAD_INIT(&PyType_Type, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3415 "object", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3416 sizeof(PyObject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3417 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3418 object_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3419 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3420 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3421 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3422 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3423 object_repr, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3424 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3425 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3426 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3427 (hashfunc)_Py_HashPointer, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3428 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3429 object_str, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3430 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3431 PyObject_GenericSetAttr, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3432 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3433 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3434 PyDoc_STR("The most base type"), /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3435 0, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3436 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3437 object_richcompare, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3438 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3439 0, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3440 0, /* tp_iternext */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3441 object_methods, /* tp_methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3442 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3443 object_getsets, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3444 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3445 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3446 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3447 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3448 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3449 object_init, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3450 PyType_GenericAlloc, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3451 object_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3452 PyObject_Del, /* tp_free */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3453 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3454
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3455
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
3456 /* Add the methods from tp_methods to the __dict__ in a type object */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3457
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3458 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3459 add_methods(PyTypeObject *type, PyMethodDef *meth)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3460 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3461 PyObject *dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3462
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3463 for (; meth->ml_name != NULL; meth++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3464 PyObject *descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3465 if (PyDict_GetItemString(dict, meth->ml_name) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3466 !(meth->ml_flags & METH_COEXIST))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3467 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3468 if (meth->ml_flags & METH_CLASS) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3469 if (meth->ml_flags & METH_STATIC) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3470 PyErr_SetString(PyExc_ValueError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3471 "method cannot be both class and static");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3472 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3473 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3474 descr = PyDescr_NewClassMethod(type, meth);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3475 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3476 else if (meth->ml_flags & METH_STATIC) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3477 PyObject *cfunc = PyCFunction_New(meth, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3478 if (cfunc == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3479 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3480 descr = PyStaticMethod_New(cfunc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3481 Py_DECREF(cfunc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3482 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3483 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3484 descr = PyDescr_NewMethod(type, meth);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3485 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3486 if (descr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3487 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3488 if (PyDict_SetItemString(dict, meth->ml_name, descr) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3489 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3490 Py_DECREF(descr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3491 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3492 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3493 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3494
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3495 static int
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
3496 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
3497 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3498 PyObject *dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3499
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3500 for (; memb->name != NULL; memb++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3501 PyObject *descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3502 if (PyDict_GetItemString(dict, memb->name))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3503 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3504 descr = PyDescr_NewMember(type, memb);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3505 if (descr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3506 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3507 if (PyDict_SetItemString(dict, memb->name, descr) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3508 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3509 Py_DECREF(descr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3510 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3511 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3512 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3513
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3514 static int
20015
ca7af2a5d915 Add optional docstrings to getset descriptors. Fortunately, there's
Guido van Rossum <guido@python.org>
parents: 20012
diff changeset
3515 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
3516 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3517 PyObject *dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3518
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3519 for (; gsp->name != NULL; gsp++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3520 PyObject *descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3521 if (PyDict_GetItemString(dict, gsp->name))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3522 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3523 descr = PyDescr_NewGetSet(type, gsp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3524
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3525 if (descr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3526 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3527 if (PyDict_SetItemString(dict, gsp->name, descr) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3528 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3529 Py_DECREF(descr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3530 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3531 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3532 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3533
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3534 static void
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3535 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
3536 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3537
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3538 /* Copying basicsize is connected to the GC flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3539 if (!(type->tp_flags & Py_TPFLAGS_HAVE_GC) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3540 (base->tp_flags & Py_TPFLAGS_HAVE_GC) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3541 (!type->tp_traverse && !type->tp_clear)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3542 type->tp_flags |= Py_TPFLAGS_HAVE_GC;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3543 if (type->tp_traverse == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3544 type->tp_traverse = base->tp_traverse;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3545 if (type->tp_clear == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3546 type->tp_clear = base->tp_clear;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3547 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3548 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3549 /* The condition below could use some explanation.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3550 It appears that tp_new is not inherited for static types
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3551 whose base class is 'object'; this seems to be a precaution
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3552 so that old extension types don't suddenly become
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3553 callable (object.__new__ wouldn't insure the invariants
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3554 that the extension type's own factory function ensures).
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3555 Heap types, of course, are under our control, so they do
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3556 inherit tp_new; static extension types that specify some
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3557 other built-in type as the default are considered
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3558 new-style-aware so they also inherit object.__new__. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3559 if (base != &PyBaseObject_Type ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3560 (type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3561 if (type->tp_new == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3562 type->tp_new = base->tp_new;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3563 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3564 }
62806
a7c8b4a6678b cleanup basicsize logic #3268
Benjamin Peterson <benjamin@python.org>
parents: 62088
diff changeset
3565 if (type->tp_basicsize == 0)
a7c8b4a6678b cleanup basicsize logic #3268
Benjamin Peterson <benjamin@python.org>
parents: 62088
diff changeset
3566 type->tp_basicsize = base->tp_basicsize;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3567
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3568 /* Copy other non-function slots */
19253
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3569
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3570 #undef COPYVAL
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3571 #define COPYVAL(SLOT) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3572 if (type->SLOT == 0) type->SLOT = base->SLOT
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3573
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3574 COPYVAL(tp_itemsize);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3575 COPYVAL(tp_weaklistoffset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3576 COPYVAL(tp_dictoffset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3577
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3578 /* Setup fast subclass flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3579 if (PyType_IsSubtype(base, (PyTypeObject*)PyExc_BaseException))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3580 type->tp_flags |= Py_TPFLAGS_BASE_EXC_SUBCLASS;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3581 else if (PyType_IsSubtype(base, &PyType_Type))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3582 type->tp_flags |= Py_TPFLAGS_TYPE_SUBCLASS;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3583 else if (PyType_IsSubtype(base, &PyLong_Type))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3584 type->tp_flags |= Py_TPFLAGS_LONG_SUBCLASS;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3585 else if (PyType_IsSubtype(base, &PyBytes_Type))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3586 type->tp_flags |= Py_TPFLAGS_BYTES_SUBCLASS;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3587 else if (PyType_IsSubtype(base, &PyUnicode_Type))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3588 type->tp_flags |= Py_TPFLAGS_UNICODE_SUBCLASS;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3589 else if (PyType_IsSubtype(base, &PyTuple_Type))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3590 type->tp_flags |= Py_TPFLAGS_TUPLE_SUBCLASS;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3591 else if (PyType_IsSubtype(base, &PyList_Type))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3592 type->tp_flags |= Py_TPFLAGS_LIST_SUBCLASS;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3593 else if (PyType_IsSubtype(base, &PyDict_Type))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3594 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
3595 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3596
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
3597 static char *hash_name_op[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3598 "__eq__",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3599 "__hash__",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3600 NULL
39623
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3601 };
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3602
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3603 static int
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
3604 overrides_hash(PyTypeObject *type)
39623
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3605 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3606 char **p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3607 PyObject *dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3608
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3609 assert(dict != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3610 for (p = hash_name_op; *p; p++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3611 if (PyDict_GetItemString(dict, *p) != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3612 return 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3613 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3614 return 0;
39623
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3615 }
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3616
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3617 static void
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3618 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
3619 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3620 PyTypeObject *basebase;
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3621
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3622 #undef SLOTDEFINED
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3623 #undef COPYSLOT
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3624 #undef COPYNUM
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3625 #undef COPYSEQ
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3626 #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
3627 #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
3628
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3629 #define SLOTDEFINED(SLOT) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3630 (base->SLOT != 0 && \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3631 (basebase == NULL || base->SLOT != basebase->SLOT))
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3632
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3633 #define COPYSLOT(SLOT) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3634 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
3635
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3636 #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
3637 #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
3638 #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
3639 #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
3640
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3641 /* This won't inherit indirect slots (from tp_as_number etc.)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3642 if type doesn't provide the space. */
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parents: 59538
diff changeset
3643
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parents: 59538
diff changeset
3644 if (type->tp_as_number != NULL && base->tp_as_number != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3645 basebase = base->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3646 if (basebase->tp_as_number == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3647 basebase = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
3648 COPYNUM(nb_add);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3649 COPYNUM(nb_subtract);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3650 COPYNUM(nb_multiply);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3651 COPYNUM(nb_remainder);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3652 COPYNUM(nb_divmod);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3653 COPYNUM(nb_power);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3654 COPYNUM(nb_negative);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3655 COPYNUM(nb_positive);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
3656 COPYNUM(nb_absolute);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
3657 COPYNUM(nb_bool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3658 COPYNUM(nb_invert);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3659 COPYNUM(nb_lshift);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3660 COPYNUM(nb_rshift);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3661 COPYNUM(nb_and);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3662 COPYNUM(nb_xor);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3663 COPYNUM(nb_or);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3664 COPYNUM(nb_int);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3665 COPYNUM(nb_float);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3666 COPYNUM(nb_inplace_add);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
3667 COPYNUM(nb_inplace_subtract);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3668 COPYNUM(nb_inplace_multiply);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3669 COPYNUM(nb_inplace_remainder);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3670 COPYNUM(nb_inplace_power);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3671 COPYNUM(nb_inplace_lshift);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3672 COPYNUM(nb_inplace_rshift);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3673 COPYNUM(nb_inplace_and);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3674 COPYNUM(nb_inplace_xor);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3675 COPYNUM(nb_inplace_or);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3676 COPYNUM(nb_true_divide);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3677 COPYNUM(nb_floor_divide);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3678 COPYNUM(nb_inplace_true_divide);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3679 COPYNUM(nb_inplace_floor_divide);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3680 COPYNUM(nb_index);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3681 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3682
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3683 if (type->tp_as_sequence != NULL && base->tp_as_sequence != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3684 basebase = base->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3685 if (basebase->tp_as_sequence == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3686 basebase = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3687 COPYSEQ(sq_length);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3688 COPYSEQ(sq_concat);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3689 COPYSEQ(sq_repeat);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3690 COPYSEQ(sq_item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3691 COPYSEQ(sq_ass_item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3692 COPYSEQ(sq_contains);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3693 COPYSEQ(sq_inplace_concat);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3694 COPYSEQ(sq_inplace_repeat);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3695 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3696
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3697 if (type->tp_as_mapping != NULL && base->tp_as_mapping != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3698 basebase = base->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3699 if (basebase->tp_as_mapping == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3700 basebase = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3701 COPYMAP(mp_length);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3702 COPYMAP(mp_subscript);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3703 COPYMAP(mp_ass_subscript);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3704 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3705
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3706 if (type->tp_as_buffer != NULL && base->tp_as_buffer != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3707 basebase = base->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3708 if (basebase->tp_as_buffer == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3709 basebase = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3710 COPYBUF(bf_getbuffer);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3711 COPYBUF(bf_releasebuffer);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3712 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3713
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3714 basebase = base->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3715
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3716 COPYSLOT(tp_dealloc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3717 if (type->tp_getattr == NULL && type->tp_getattro == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3718 type->tp_getattr = base->tp_getattr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3719 type->tp_getattro = base->tp_getattro;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3720 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3721 if (type->tp_setattr == NULL && type->tp_setattro == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3722 type->tp_setattr = base->tp_setattr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3723 type->tp_setattro = base->tp_setattro;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3724 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3725 /* tp_reserved is ignored */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3726 COPYSLOT(tp_repr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3727 /* tp_hash see tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3728 COPYSLOT(tp_call);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3729 COPYSLOT(tp_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3730 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3731 /* Copy comparison-related slots only when
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3732 not overriding them anywhere */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3733 if (type->tp_richcompare == NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3734 type->tp_hash == NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3735 !overrides_hash(type))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3736 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3737 type->tp_richcompare = base->tp_richcompare;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3738 type->tp_hash = base->tp_hash;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3739 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3740 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3741 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3742 COPYSLOT(tp_iter);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3743 COPYSLOT(tp_iternext);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3744 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3745 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3746 COPYSLOT(tp_descr_get);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3747 COPYSLOT(tp_descr_set);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3748 COPYSLOT(tp_dictoffset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3749 COPYSLOT(tp_init);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3750 COPYSLOT(tp_alloc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3751 COPYSLOT(tp_is_gc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3752 if ((type->tp_flags & Py_TPFLAGS_HAVE_GC) ==
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3753 (base->tp_flags & Py_TPFLAGS_HAVE_GC)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3754 /* They agree about gc. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3755 COPYSLOT(tp_free);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3756 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3757 else if ((type->tp_flags & Py_TPFLAGS_HAVE_GC) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3758 type->tp_free == NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3759 base->tp_free == PyObject_Free) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3760 /* A bit of magic to plug in the correct default
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3761 * tp_free function when a derived class adds gc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3762 * didn't define tp_free, and the base uses the
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3763 * default non-gc tp_free.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3764 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3765 type->tp_free = PyObject_GC_Del;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3766 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3767 /* else they didn't agree about gc, and there isn't something
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3768 * obvious to be done -- the type is on its own.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3769 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3770 }
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3771 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3772
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
3773 static int add_operators(PyTypeObject *);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3774
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3775 int
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 19036
diff changeset
3776 PyType_Ready(PyTypeObject *type)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3777 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3778 PyObject *dict, *bases;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3779 PyTypeObject *base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3780 Py_ssize_t i, n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3781
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3782 if (type->tp_flags & Py_TPFLAGS_READY) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3783 assert(type->tp_dict != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3784 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3785 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3786 assert((type->tp_flags & Py_TPFLAGS_READYING) == 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3787
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3788 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
3789
28389
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3790 #ifdef Py_TRACE_REFS
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3791 /* PyType_Ready is the closest thing we have to a choke point
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3792 * for type objects, so is the best place I can think of to try
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3793 * to get type objects into the doubly-linked list of all objects.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3794 * Still, not all type objects go thru PyType_Ready.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3795 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3796 _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
3797 #endif
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3798
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3799 /* Initialize tp_base (defaults to BaseObject unless that's us) */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3800 base = type->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3801 if (base == NULL && type != &PyBaseObject_Type) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3802 base = type->tp_base = &PyBaseObject_Type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3803 Py_INCREF(base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3804 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3805
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3806 /* Now the only way base can still be NULL is if type is
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3807 * &PyBaseObject_Type.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3808 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3809
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3810 /* Initialize the base class */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3811 if (base != NULL && base->tp_dict == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3812 if (PyType_Ready(base) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3813 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3814 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3815
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3816 /* Initialize ob_type if NULL. This means extensions that want to be
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3817 compilable separately on Windows can call PyType_Ready() instead of
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3818 initializing the ob_type field of their type objects. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3819 /* The test for base != NULL is really unnecessary, since base is only
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3820 NULL when type is &PyBaseObject_Type, and we know its ob_type is
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3821 not NULL (it's initialized to &PyType_Type). But coverity doesn't
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3822 know that. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3823 if (Py_TYPE(type) == NULL && base != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3824 Py_TYPE(type) = Py_TYPE(base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3825
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3826 /* Initialize tp_bases */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3827 bases = type->tp_bases;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3828 if (bases == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3829 if (base == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3830 bases = PyTuple_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3831 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3832 bases = PyTuple_Pack(1, base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3833 if (bases == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3834 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3835 type->tp_bases = bases;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3836 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3837
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3838 /* Initialize tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3839 dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3840 if (dict == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3841 dict = PyDict_New();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3842 if (dict == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3843 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3844 type->tp_dict = dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3845 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3846
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3847 /* Add type-specific descriptors to tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3848 if (add_operators(type) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3849 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3850 if (type->tp_methods != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3851 if (add_methods(type, type->tp_methods) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3852 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3853 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3854 if (type->tp_members != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3855 if (add_members(type, type->tp_members) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3856 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3857 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3858 if (type->tp_getset != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3859 if (add_getset(type, type->tp_getset) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3860 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3861 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3862
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3863 /* Calculate method resolution order */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3864 if (mro_internal(type) < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3865 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3866 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3867
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3868 /* Inherit special flags from dominant base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3869 if (type->tp_base != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3870 inherit_special(type, type->tp_base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3871
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3872 /* Initialize tp_dict properly */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3873 bases = type->tp_mro;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3874 assert(bases != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3875 assert(PyTuple_Check(bases));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3876 n = PyTuple_GET_SIZE(bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3877 for (i = 1; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3878 PyObject *b = PyTuple_GET_ITEM(bases, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3879 if (PyType_Check(b))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3880 inherit_slots(type, (PyTypeObject *)b);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3881 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3882
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3883 /* Sanity check for tp_free. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3884 if (PyType_IS_GC(type) && (type->tp_flags & Py_TPFLAGS_BASETYPE) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3885 (type->tp_free == NULL || type->tp_free == PyObject_Del)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3886 /* This base class needs to call tp_free, but doesn't have
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3887 * one, or its tp_free is for non-gc'ed objects.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3888 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3889 PyErr_Format(PyExc_TypeError, "type '%.100s' participates in "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3890 "gc and is a base type but has inappropriate "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3891 "tp_free slot",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3892 type->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3893 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3894 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3895
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3896 /* if the type dictionary doesn't contain a __doc__, set it from
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3897 the tp_doc slot.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3898 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3899 if (PyDict_GetItemString(type->tp_dict, "__doc__") == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3900 if (type->tp_doc != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3901 PyObject *doc = PyUnicode_FromString(type->tp_doc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3902 if (doc == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3903 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3904 PyDict_SetItemString(type->tp_dict, "__doc__", doc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3905 Py_DECREF(doc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3906 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3907 PyDict_SetItemString(type->tp_dict,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3908 "__doc__", Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3909 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3910 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3911
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3912 /* Hack for tp_hash and __hash__.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3913 If after all that, tp_hash is still NULL, and __hash__ is not in
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3914 tp_dict, set tp_hash to PyObject_HashNotImplemented and
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3915 tp_dict['__hash__'] equal to None.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3916 This signals that __hash__ is not inherited.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3917 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3918 if (type->tp_hash == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3919 if (PyDict_GetItemString(type->tp_dict, "__hash__") == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3920 if (PyDict_SetItemString(type->tp_dict, "__hash__", Py_None) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3921 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3922 type->tp_hash = PyObject_HashNotImplemented;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3923 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3924 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3925
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3926 /* Some more special stuff */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3927 base = type->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3928 if (base != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3929 if (type->tp_as_number == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3930 type->tp_as_number = base->tp_as_number;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3931 if (type->tp_as_sequence == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3932 type->tp_as_sequence = base->tp_as_sequence;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3933 if (type->tp_as_mapping == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3934 type->tp_as_mapping = base->tp_as_mapping;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3935 if (type->tp_as_buffer == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3936 type->tp_as_buffer = base->tp_as_buffer;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3937 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3938
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3939 /* Link into each base class's list of subclasses */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3940 bases = type->tp_bases;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3941 n = PyTuple_GET_SIZE(bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3942 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3943 PyObject *b = PyTuple_GET_ITEM(bases, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3944 if (PyType_Check(b) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3945 add_subclass((PyTypeObject *)b, type) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3946 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3947 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3948
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3949 /* Warn for a type that implements tp_compare (now known as
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3950 tp_reserved) but not tp_richcompare. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3951 if (type->tp_reserved && !type->tp_richcompare) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3952 int error;
63949
fa2d9720a66c Issue #9425: Create PyErr_WarnFormat() function
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63114
diff changeset
3953 error = PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
fa2d9720a66c Issue #9425: Create PyErr_WarnFormat() function
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63114
diff changeset
3954 "Type %.100s defines tp_reserved (formerly tp_compare) "
fa2d9720a66c Issue #9425: Create PyErr_WarnFormat() function
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63114
diff changeset
3955 "but not tp_richcompare. Comparisons may not behave as intended.",
fa2d9720a66c Issue #9425: Create PyErr_WarnFormat() function
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63114
diff changeset
3956 type->tp_name);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3957 if (error == -1)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3958 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3959 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3960
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3961 /* All done -- set the ready flag */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3962 assert(type->tp_dict != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3963 type->tp_flags =
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3964 (type->tp_flags & ~Py_TPFLAGS_READYING) | Py_TPFLAGS_READY;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3965 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
3966
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3967 error:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3968 type->tp_flags &= ~Py_TPFLAGS_READYING;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3969 return -1;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3970 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3971
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3972 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
3973 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
3974 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3975 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3976 int result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3977 PyObject *list, *ref, *newobj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3978
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3979 list = base->tp_subclasses;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3980 if (list == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3981 base->tp_subclasses = list = PyList_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3982 if (list == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3983 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3984 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3985 assert(PyList_Check(list));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3986 newobj = PyWeakref_NewRef((PyObject *)type, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3987 i = PyList_GET_SIZE(list);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3988 while (--i >= 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3989 ref = PyList_GET_ITEM(list, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3990 assert(PyWeakref_CheckRef(ref));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3991 if (PyWeakref_GET_OBJECT(ref) == Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3992 return PyList_SetItem(list, i, newobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3993 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3994 result = PyList_Append(list, newobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3995 Py_DECREF(newobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3996 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
3997 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3998
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3999 static void
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4000 remove_subclass(PyTypeObject *base, PyTypeObject *type)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4001 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4002 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4003 PyObject *list, *ref;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4004
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4005 list = base->tp_subclasses;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4006 if (list == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4007 return;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4008 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4009 assert(PyList_Check(list));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4010 i = PyList_GET_SIZE(list);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4011 while (--i >= 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4012 ref = PyList_GET_ITEM(list, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4013 assert(PyWeakref_CheckRef(ref));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4014 if (PyWeakref_GET_OBJECT(ref) == (PyObject*)type) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4015 /* this can't fail, right? */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4016 PySequence_DelItem(list, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4017 return;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4018 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4019 }
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4020 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4021
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4022 static int
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4023 check_num_args(PyObject *ob, int n)
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4024 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4025 if (!PyTuple_CheckExact(ob)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4026 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4027 "PyArg_UnpackTuple() argument list is not a tuple");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4028 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4029 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4030 if (n == PyTuple_GET_SIZE(ob))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4031 return 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4032 PyErr_Format(
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4033 PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4034 "expected %d arguments, got %zd", n, PyTuple_GET_SIZE(ob));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4035 return 0;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4036 }
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4037
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4038 /* 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
4039
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4040 /* There's a wrapper *function* for each distinct function typedef used
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4041 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
4042 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
4043 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
4044 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
4045
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4046 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4047 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
4048 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4049 lenfunc func = (lenfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4050 Py_ssize_t res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4051
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4052 if (!check_num_args(args, 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4053 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4054 res = (*func)(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4055 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4056 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4057 return PyLong_FromLong((long)res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4058 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4059
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4060 static PyObject *
30670
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4061 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
4062 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4063 inquiry func = (inquiry)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4064 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4065
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4066 if (!check_num_args(args, 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4067 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4068 res = (*func)(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4069 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4070 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4071 return PyBool_FromLong((long)res);
30670
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4072 }
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4073
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4074 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4075 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
4076 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4077 binaryfunc func = (binaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4078 PyObject *other;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4079
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4080 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4081 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4082 other = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4083 return (*func)(self, other);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4084 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4085
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4086 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
4087 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
4088 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4089 binaryfunc func = (binaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4090 PyObject *other;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4091
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4092 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4093 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4094 other = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4095 return (*func)(self, other);
20328
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4096 }
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4097
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4098 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4099 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
4100 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4101 binaryfunc func = (binaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4102 PyObject *other;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4103
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4104 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4105 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4106 other = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4107 return (*func)(other, self);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4108 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4109
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4110 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4111 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
4112 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4113 ternaryfunc func = (ternaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4114 PyObject *other;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4115 PyObject *third = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4116
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4117 /* Note: This wrapper only works for __pow__() */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4118
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4119 if (!PyArg_UnpackTuple(args, "", 1, 2, &other, &third))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4120 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4121 return (*func)(self, other, third);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4122 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4123
20168
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4124 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
4125 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
4126 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4127 ternaryfunc func = (ternaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4128 PyObject *other;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4129 PyObject *third = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4130
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4131 /* Note: This wrapper only works for __pow__() */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4132
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4133 if (!PyArg_UnpackTuple(args, "", 1, 2, &other, &third))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4134 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4135 return (*func)(other, self, 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
4136 }
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4137
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4138 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4139 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
4140 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4141 unaryfunc func = (unaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4142
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4143 if (!check_num_args(args, 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4144 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4145 return (*func)(self);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4146 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4147
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4148 static PyObject *
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
4149 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
4150 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4151 ssizeargfunc func = (ssizeargfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4152 PyObject* o;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4153 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4154
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4155 if (!PyArg_UnpackTuple(args, "", 1, 1, &o))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4156 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4157 i = PyNumber_AsSsize_t(o, PyExc_OverflowError);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4158 if (i == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4159 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4160 return (*func)(self, i);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4161 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4162
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4163 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
4164 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
4165 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4166 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4167
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4168 i = PyNumber_AsSsize_t(arg, PyExc_OverflowError);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4169 if (i == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4170 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4171 if (i < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4172 PySequenceMethods *sq = Py_TYPE(self)->tp_as_sequence;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4173 if (sq && sq->sq_length) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4174 Py_ssize_t n = (*sq->sq_length)(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4175 if (n < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4176 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4177 i += n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4178 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4179 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4180 return i;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4181 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4182
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4183 static PyObject *
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4184 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
4185 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4186 ssizeargfunc func = (ssizeargfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4187 PyObject *arg;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4188 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4189
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4190 if (PyTuple_GET_SIZE(args) == 1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4191 arg = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4192 i = getindex(self, arg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4193 if (i == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4194 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4195 return (*func)(self, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4196 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4197 check_num_args(args, 1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4198 assert(PyErr_Occurred());
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4199 return NULL;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4200 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4201
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4202 static PyObject *
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4203 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
4204 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4205 ssizeobjargproc func = (ssizeobjargproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4206 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4207 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4208 PyObject *arg, *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4209
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4210 if (!PyArg_UnpackTuple(args, "", 2, 2, &arg, &value))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4211 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4212 i = getindex(self, arg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4213 if (i == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4214 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4215 res = (*func)(self, i, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4216 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4217 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4218 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4219 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4220 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4221
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4222 static PyObject *
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4223 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
4224 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4225 ssizeobjargproc func = (ssizeobjargproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4226 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4227 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4228 PyObject *arg;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4229
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4230 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4231 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4232 arg = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4233 i = getindex(self, arg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4234 if (i == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4235 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4236 res = (*func)(self, i, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4237 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4238 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4239 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4240 return Py_None;
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4241 }
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4242
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4243 /* 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
4244 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4245 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
4246 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4247 objobjproc func = (objobjproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4248 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4249 PyObject *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4250
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4251 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4252 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4253 value = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4254 res = (*func)(self, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4255 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4256 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4257 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4258 return PyBool_FromLong(res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4259 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4260
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4261 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4262 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
4263 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4264 objobjargproc func = (objobjargproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4265 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4266 PyObject *key, *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4267
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4268 if (!PyArg_UnpackTuple(args, "", 2, 2, &key, &value))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4269 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4270 res = (*func)(self, key, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4271 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4272 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4273 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4274 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4275 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4276
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4277 static PyObject *
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4278 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
4279 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4280 objobjargproc func = (objobjargproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4281 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4282 PyObject *key;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4283
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4284 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4285 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4286 key = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4287 res = (*func)(self, key, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4288 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4289 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4290 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4291 return Py_None;
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4292 }
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4293
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4294 /* 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
4295 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
4296 static int
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4297 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
4298 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4299 PyTypeObject *type = Py_TYPE(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4300 while (type && type->tp_flags & Py_TPFLAGS_HEAPTYPE)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4301 type = type->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4302 /* If type is NULL now, this is a really weird type.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4303 In the spirit of backwards compatibility (?), just shut up. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4304 if (type && type->tp_setattro != func) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4305 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4306 "can't apply this %s to %s object",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4307 what,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4308 type->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4309 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4310 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4311 return 1;
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4312 }
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4313
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4314 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4315 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
4316 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4317 setattrofunc func = (setattrofunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4318 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4319 PyObject *name, *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4320
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4321 if (!PyArg_UnpackTuple(args, "", 2, 2, &name, &value))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4322 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4323 if (!hackcheck(self, func, "__setattr__"))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4324 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4325 res = (*func)(self, name, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4326 if (res < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4327 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4328 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4329 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4330 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4331
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4332 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4333 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
4334 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4335 setattrofunc func = (setattrofunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4336 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4337 PyObject *name;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4338
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4339 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4340 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4341 name = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4342 if (!hackcheck(self, func, "__delattr__"))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4343 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4344 res = (*func)(self, name, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4345 if (res < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4346 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4347 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4348 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4349 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4350
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4351 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4352 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
4353 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4354 hashfunc func = (hashfunc)wrapped;
65603
be8ae6b17539 follow up to #9778: define and use an unsigned hash type
Benjamin Peterson <benjamin@python.org>
parents: 65599
diff changeset
4355 Py_hash_t res;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4356
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4357 if (!check_num_args(args, 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4358 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4359 res = (*func)(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4360 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4361 return NULL;
65603
be8ae6b17539 follow up to #9778: define and use an unsigned hash type
Benjamin Peterson <benjamin@python.org>
parents: 65599
diff changeset
4362 return PyLong_FromSsize_t(res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4363 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4364
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4365 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
4366 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
4367 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4368 ternaryfunc func = (ternaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4369
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4370 return (*func)(self, args, kwds);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4371 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4372
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4373 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4374 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
4375 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4376 richcmpfunc func = (richcmpfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4377 PyObject *other;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4378
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4379 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4380 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4381 other = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4382 return (*func)(self, other, op);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4383 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4384
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4385 #undef RICHCMP_WRAPPER
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4386 #define RICHCMP_WRAPPER(NAME, OP) \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4387 static PyObject * \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4388 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
4389 { \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4390 return wrap_richcmpfunc(self, args, wrapped, OP); \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4391 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4392
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
4393 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
4394 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
4395 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
4396 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
4397 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
4398 RICHCMP_WRAPPER(ge, Py_GE)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4399
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4400 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4401 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
4402 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4403 unaryfunc func = (unaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4404 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4405
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4406 if (!check_num_args(args, 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4407 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4408 res = (*func)(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4409 if (res == NULL && !PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4410 PyErr_SetNone(PyExc_StopIteration);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4411 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4412 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4413
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4414 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4415 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
4416 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4417 descrgetfunc func = (descrgetfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4418 PyObject *obj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4419 PyObject *type = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4420
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4421 if (!PyArg_UnpackTuple(args, "", 1, 2, &obj, &type))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4422 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4423 if (obj == Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4424 obj = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4425 if (type == Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4426 type = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4427 if (type == NULL &&obj == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4428 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4429 "__get__(None, None) is invalid");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4430 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4431 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4432 return (*func)(self, obj, type);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4433 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4434
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4435 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
4436 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
4437 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4438 descrsetfunc func = (descrsetfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4439 PyObject *obj, *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4440 int ret;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4441
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4442 if (!PyArg_UnpackTuple(args, "", 2, 2, &obj, &value))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4443 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4444 ret = (*func)(self, obj, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4445 if (ret < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4446 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4447 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4448 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4449 }
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
4450
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4451 static PyObject *
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4452 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
4453 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4454 descrsetfunc func = (descrsetfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4455 PyObject *obj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4456 int ret;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4457
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4458 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4459 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4460 obj = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4461 ret = (*func)(self, obj, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4462 if (ret < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4463 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4464 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4465 return Py_None;
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4466 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4467
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4468 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
4469 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
4470 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4471 initproc func = (initproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4472
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4473 if (func(self, args, kwds) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4474 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4475 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4476 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4477 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4478
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4479 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
4480 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
4481 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4482 PyTypeObject *type, *subtype, *staticbase;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4483 PyObject *arg0, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4484
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4485 if (self == NULL || !PyType_Check(self))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4486 Py_FatalError("__new__() called with non-type 'self'");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4487 type = (PyTypeObject *)self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4488 if (!PyTuple_Check(args) || PyTuple_GET_SIZE(args) < 1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4489 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4490 "%s.__new__(): not enough arguments",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4491 type->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4492 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4493 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4494 arg0 = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4495 if (!PyType_Check(arg0)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4496 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4497 "%s.__new__(X): X is not a type object (%s)",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4498 type->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4499 Py_TYPE(arg0)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4500 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4501 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4502 subtype = (PyTypeObject *)arg0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4503 if (!PyType_IsSubtype(subtype, type)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4504 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4505 "%s.__new__(%s): %s is not a subtype of %s",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4506 type->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4507 subtype->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4508 subtype->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4509 type->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4510 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4511 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4512
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4513 /* Check that the use doesn't do something silly and unsafe like
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4514 object.__new__(dict). To do this, we check that the
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4515 most derived base that's not a heap type is this type. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4516 staticbase = subtype;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4517 while (staticbase && (staticbase->tp_flags & Py_TPFLAGS_HEAPTYPE))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4518 staticbase = staticbase->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4519 /* If staticbase is NULL now, it is a really weird type.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4520 In the spirit of backwards compatibility (?), just shut up. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4521 if (staticbase && staticbase->tp_new != type->tp_new) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4522 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4523 "%s.__new__(%s) is not safe, use %s.__new__()",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4524 type->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4525 subtype->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4526 staticbase == NULL ? "?" : staticbase->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4527 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4528 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4529
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4530 args = PyTuple_GetSlice(args, 1, PyTuple_GET_SIZE(args));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4531 if (args == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4532 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4533 res = type->tp_new(subtype, args, kwds);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4534 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4535 return res;
18933
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
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
4538 static struct PyMethodDef tp_new_methoddef[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4539 {"__new__", (PyCFunction)tp_new_wrapper, METH_VARARGS|METH_KEYWORDS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4540 PyDoc_STR("T.__new__(S, ...) -> "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4541 "a new object with type S, a subtype of T")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4542 {0}
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4543 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4544
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4545 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
4546 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
4547 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4548 PyObject *func;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4549
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4550 if (PyDict_GetItemString(type->tp_dict, "__new__") != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4551 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4552 func = PyCFunction_New(tp_new_methoddef, (PyObject *)type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4553 if (func == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4554 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4555 if (PyDict_SetItemString(type->tp_dict, "__new__", func)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4556 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4557 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4558 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4559 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4560 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
4561 }
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4562
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4563 /* Slot wrappers that call the corresponding __foo__ slot. See comments
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4564 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
4565
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4566 #define SLOT0(FUNCNAME, OPSTR) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4567 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4568 FUNCNAME(PyObject *self) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4569 { \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4570 static PyObject *cache_str; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4571 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
4572 }
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4573
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4574 #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
4575 static PyObject * \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4576 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
4577 { \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4578 static PyObject *cache_str; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4579 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
4580 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4581
27124
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4582 /* 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
4583 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
4584 static int
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4585 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
4586 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4587 PyObject *a, *b;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4588 int ok;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4589
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4590 b = PyObject_GetAttrString((PyObject *)(Py_TYPE(right)), name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4591 if (b == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4592 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4593 /* If right doesn't have it, it's not overloaded */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4594 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4595 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4596
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4597 a = PyObject_GetAttrString((PyObject *)(Py_TYPE(left)), name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4598 if (a == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4599 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4600 Py_DECREF(b);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4601 /* If right has it but left doesn't, it's overloaded */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4602 return 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4603 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4604
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4605 ok = PyObject_RichCompareBool(a, b, Py_NE);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4606 Py_DECREF(a);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4607 Py_DECREF(b);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4608 if (ok < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4609 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4610 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4611 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4612
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4613 return ok;
27124
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4614 }
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4615
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4616
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4617 #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
4618 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4619 FUNCNAME(PyObject *self, PyObject *other) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4620 { \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4621 static PyObject *cache_str, *rcache_str; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4622 int do_other = Py_TYPE(self) != Py_TYPE(other) && \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4623 Py_TYPE(other)->tp_as_number != NULL && \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4624 Py_TYPE(other)->tp_as_number->SLOTNAME == TESTFUNC; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4625 if (Py_TYPE(self)->tp_as_number != NULL && \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4626 Py_TYPE(self)->tp_as_number->SLOTNAME == TESTFUNC) { \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4627 PyObject *r; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4628 if (do_other && \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4629 PyType_IsSubtype(Py_TYPE(other), Py_TYPE(self)) && \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4630 method_is_overloaded(self, other, ROPSTR)) { \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4631 r = call_maybe( \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4632 other, ROPSTR, &rcache_str, "(O)", self); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4633 if (r != Py_NotImplemented) \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4634 return r; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4635 Py_DECREF(r); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4636 do_other = 0; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4637 } \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4638 r = call_maybe( \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4639 self, OPSTR, &cache_str, "(O)", other); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4640 if (r != Py_NotImplemented || \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4641 Py_TYPE(other) == Py_TYPE(self)) \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4642 return r; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4643 Py_DECREF(r); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4644 } \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4645 if (do_other) { \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4646 return call_maybe( \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4647 other, ROPSTR, &rcache_str, "(O)", self); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4648 } \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4649 Py_INCREF(Py_NotImplemented); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4650 return Py_NotImplemented; \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4651 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4652
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4653 #define SLOT1BIN(FUNCNAME, SLOTNAME, OPSTR, ROPSTR) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4654 SLOT1BINFULL(FUNCNAME, FUNCNAME, SLOTNAME, OPSTR, ROPSTR)
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4655
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4656 #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
4657 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4658 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
4659 { \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4660 static PyObject *cache_str; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4661 return call_method(self, OPSTR, &cache_str, \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4662 "(" ARGCODES ")", arg1, arg2); \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4663 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4664
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4665 static Py_ssize_t
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4666 slot_sq_length(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4667 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4668 static PyObject *len_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4669 PyObject *res = call_method(self, "__len__", &len_str, "()");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4670 Py_ssize_t len;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4671
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4672 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4673 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4674 len = PyNumber_AsSsize_t(res, PyExc_OverflowError);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4675 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4676 if (len < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4677 if (!PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4678 PyErr_SetString(PyExc_ValueError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4679 "__len__() should return >= 0");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4680 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4681 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4682 return len;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4683 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4684
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4685 /* 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
4686 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
4687 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4688 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
4689 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4690 static PyObject *getitem_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4691 PyObject *func, *args = NULL, *ival = NULL, *retval = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4692 descrgetfunc f;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4693
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4694 if (getitem_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4695 getitem_str = PyUnicode_InternFromString("__getitem__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4696 if (getitem_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4697 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4698 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4699 func = _PyType_Lookup(Py_TYPE(self), getitem_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4700 if (func != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4701 if ((f = Py_TYPE(func)->tp_descr_get) == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4702 Py_INCREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4703 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4704 func = f(func, self, (PyObject *)(Py_TYPE(self)));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4705 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4706 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4707 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4708 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4709 ival = PyLong_FromSsize_t(i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4710 if (ival != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4711 args = PyTuple_New(1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4712 if (args != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4713 PyTuple_SET_ITEM(args, 0, ival);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4714 retval = PyObject_Call(func, args, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4715 Py_XDECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4716 Py_XDECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4717 return retval;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4718 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4719 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4720 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4721 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4722 PyErr_SetObject(PyExc_AttributeError, getitem_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4723 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4724 Py_XDECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4725 Py_XDECREF(ival);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4726 Py_XDECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4727 return NULL;
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4728 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4729
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4730 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4731 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
4732 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4733 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4734 static PyObject *delitem_str, *setitem_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4735
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4736 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4737 res = call_method(self, "__delitem__", &delitem_str,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4738 "(n)", index);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4739 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4740 res = call_method(self, "__setitem__", &setitem_str,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4741 "(nO)", index, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4742 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4743 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4744 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4745 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4746 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4747
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4748 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4749 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
4750 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4751 PyObject *func, *res, *args;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4752 int result = -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4753
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4754 static PyObject *contains_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4755
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4756 func = lookup_maybe(self, "__contains__", &contains_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4757 if (func != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4758 args = PyTuple_Pack(1, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4759 if (args == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4760 res = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4761 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4762 res = PyObject_Call(func, args, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4763 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4764 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4765 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4766 if (res != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4767 result = PyObject_IsTrue(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4768 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4769 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4770 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4771 else if (! PyErr_Occurred()) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4772 /* Possible results: -1 and 1 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4773 result = (int)_PySequence_IterSearch(self, value,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4774 PY_ITERSEARCH_CONTAINS);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4775 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4776 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4777 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4778
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4779 #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
4780
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4781 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
4782
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4783 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4784 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
4785 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4786 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4787 static PyObject *delitem_str, *setitem_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4788
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4789 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4790 res = call_method(self, "__delitem__", &delitem_str,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4791 "(O)", key);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4792 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4793 res = call_method(self, "__setitem__", &setitem_str,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4794 "(OO)", key, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4795 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4796 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4797 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4798 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4799 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4800
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4801 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
4802 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
4803 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
4804 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
4805 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
4806
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
4807 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
4808
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4809 SLOT1BINFULL(slot_nb_power_binary, slot_nb_power,
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4810 nb_power, "__pow__", "__rpow__")
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4811
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4812 static PyObject *
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4813 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
4814 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4815 static PyObject *pow_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4816
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4817 if (modulus == Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4818 return slot_nb_power_binary(self, other);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4819 /* Three-arg power doesn't use __rpow__. But ternary_op
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4820 can call this when the second argument's type uses
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4821 slot_nb_power, so check before calling self.__pow__. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4822 if (Py_TYPE(self)->tp_as_number != NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4823 Py_TYPE(self)->tp_as_number->nb_power == slot_nb_power) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4824 return call_method(self, "__pow__", &pow_str,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4825 "(OO)", other, modulus);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4826 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4827 Py_INCREF(Py_NotImplemented);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4828 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
4829 }
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4830
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4831 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
4832 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
4833 SLOT0(slot_nb_absolute, "__abs__")
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4834
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4835 static int
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4836 slot_nb_bool(PyObject *self)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4837 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4838 PyObject *func, *args;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4839 static PyObject *bool_str, *len_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4840 int result = -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4841 int using_len = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4842
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4843 func = lookup_maybe(self, "__bool__", &bool_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4844 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4845 if (PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4846 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4847 func = lookup_maybe(self, "__len__", &len_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4848 if (func == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4849 return PyErr_Occurred() ? -1 : 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4850 using_len = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4851 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4852 args = PyTuple_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4853 if (args != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4854 PyObject *temp = PyObject_Call(func, args, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4855 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4856 if (temp != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4857 if (using_len) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4858 /* enforced by slot_nb_len */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4859 result = PyObject_IsTrue(temp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4860 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4861 else if (PyBool_Check(temp)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4862 result = PyObject_IsTrue(temp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4863 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4864 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4865 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4866 "__bool__ should return "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4867 "bool, returned %s",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4868 Py_TYPE(temp)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4869 result = -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4870 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4871 Py_DECREF(temp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4872 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4873 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4874 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4875 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4876 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4877
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4878
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39603
diff changeset
4879 static PyObject *
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4880 slot_nb_index(PyObject *self)
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4881 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4882 static PyObject *index_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4883 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
4884 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4885
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4886
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4887 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
4888 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
4889 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
4890 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
4891 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
4892 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
4893
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4894 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
4895 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
4896 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
4897 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
4898 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
4899 SLOT1(slot_nb_inplace_remainder, "__imod__", PyObject *, "O")
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40809
diff changeset
4900 /* Can't use SLOT1 here, because nb_inplace_power is ternary */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4901 static PyObject *
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4902 slot_nb_inplace_power(PyObject *self, PyObject * arg1, PyObject *arg2)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4903 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4904 static PyObject *cache_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4905 return call_method(self, "__ipow__", &cache_str, "(" "O" ")", arg1);
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40809
diff changeset
4906 }
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4907 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
4908 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
4909 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
4910 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
4911 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
4912 SLOT1BIN(slot_nb_floor_divide, nb_floor_divide,
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4913 "__floordiv__", "__rfloordiv__")
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4914 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
4915 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
4916 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
4917
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4918 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4919 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
4920 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4921 PyObject *func, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4922 static PyObject *repr_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4923
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4924 func = lookup_method(self, "__repr__", &repr_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4925 if (func != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4926 res = PyEval_CallObject(func, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4927 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4928 return res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4929 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4930 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4931 return PyUnicode_FromFormat("<%s object at %p>",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4932 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
4933 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4934
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4935 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4936 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
4937 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4938 PyObject *func, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4939 static PyObject *str_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4940
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4941 func = lookup_method(self, "__str__", &str_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4942 if (func != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4943 res = PyEval_CallObject(func, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4944 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4945 return res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4946 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4947 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4948 PyObject *ress;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4949 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4950 res = slot_tp_repr(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4951 if (!res)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4952 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4953 ress = _PyUnicode_AsDefaultEncodedString(res, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4954 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4955 return ress;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4956 }
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4957 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4958
65494
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4959 static Py_hash_t
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4960 slot_tp_hash(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4961 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4962 PyObject *func, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4963 static PyObject *hash_str;
65494
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4964 Py_ssize_t h;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4965
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4966 func = lookup_method(self, "__hash__", &hash_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4967
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4968 if (func == Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4969 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4970 func = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4971 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4972
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4973 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4974 return PyObject_HashNotImplemented(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4975 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4976
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4977 res = PyEval_CallObject(func, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4978 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4979 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4980 return -1;
61873
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4981
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4982 if (!PyLong_Check(res)) {
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4983 PyErr_SetString(PyExc_TypeError,
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4984 "__hash__ method should return an integer");
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4985 return -1;
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4986 }
65494
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4987 /* Transform the PyLong `res` to a Py_hash_t `h`. For an existing
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4988 hashable Python object x, hash(x) will always lie within the range of
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4989 Py_hash_t. Therefore our transformation must preserve values that
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4990 already lie within this range, to ensure that if x.__hash__() returns
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4991 hash(y) then hash(x) == hash(y). */
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4992 h = PyLong_AsSsize_t(res);
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4993 if (h == -1 && PyErr_Occurred()) {
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4994 /* res was not within the range of a Py_hash_t, so we're free to
61873
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4995 use any sufficiently bit-mixing transformation;
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4996 long.__hash__ will do nicely. */
65494
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4997 PyErr_Clear();
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4998 h = PyLong_Type.tp_hash(res);
65494
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4999 }
65499
b1bda1ec995f -1 is reserved for errors
Benjamin Peterson <benjamin@python.org>
parents: 65494
diff changeset
5000 /* -1 is reserved for errors. */
b1bda1ec995f -1 is reserved for errors
Benjamin Peterson <benjamin@python.org>
parents: 65494
diff changeset
5001 if (h == -1)
b1bda1ec995f -1 is reserved for errors
Benjamin Peterson <benjamin@python.org>
parents: 65494
diff changeset
5002 h = -2;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5003 Py_DECREF(res);
61873
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
5004 return h;
18933
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
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5007 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5008 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
5009 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5010 static PyObject *call_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5011 PyObject *meth = lookup_method(self, "__call__", &call_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5012 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5013
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5014 if (meth == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5015 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5016
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5017 res = PyObject_Call(meth, args, kwds);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5018
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5019 Py_DECREF(meth);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5020 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5021 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5022
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
5023 /* 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
5024
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
5025 - 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
5026 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
5027
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
5028 - 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
5029
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5030 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
5031 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
5032 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
5033
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5034 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5035 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
5036 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5037 static PyObject *getattribute_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5038 return call_method(self, "__getattribute__", &getattribute_str,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5039 "(O)", name);
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
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5042 static PyObject *
49742
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5043 call_attribute(PyObject *self, PyObject *attr, PyObject *name)
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5044 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5045 PyObject *res, *descr = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5046 descrgetfunc f = Py_TYPE(attr)->tp_descr_get;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5047
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5048 if (f != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5049 descr = f(attr, self, (PyObject *)(Py_TYPE(self)));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5050 if (descr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5051 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5052 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5053 attr = descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5054 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5055 res = PyObject_CallFunctionObjArgs(attr, name, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5056 Py_XDECREF(descr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5057 return res;
49742
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5058 }
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5059
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5060 static PyObject *
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5061 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
5062 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5063 PyTypeObject *tp = Py_TYPE(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5064 PyObject *getattr, *getattribute, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5065 static PyObject *getattribute_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5066 static PyObject *getattr_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5067
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5068 if (getattr_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5069 getattr_str = PyUnicode_InternFromString("__getattr__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5070 if (getattr_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5071 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5072 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5073 if (getattribute_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5074 getattribute_str =
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5075 PyUnicode_InternFromString("__getattribute__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5076 if (getattribute_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5077 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5078 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5079 /* speed hack: we could use lookup_maybe, but that would resolve the
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5080 method fully for each attribute lookup for classes with
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5081 __getattr__, even when the attribute is present. So we use
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5082 _PyType_Lookup and create the method only when needed, with
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5083 call_attribute. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5084 getattr = _PyType_Lookup(tp, getattr_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5085 if (getattr == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5086 /* No __getattr__ hook: use a simpler dispatcher */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5087 tp->tp_getattro = slot_tp_getattro;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5088 return slot_tp_getattro(self, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5089 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5090 Py_INCREF(getattr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5091 /* speed hack: we could use lookup_maybe, but that would resolve the
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5092 method fully for each attribute lookup for classes with
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5093 __getattr__, even when self has the default __getattribute__
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5094 method. So we use _PyType_Lookup and create the method only when
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5095 needed, with call_attribute. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5096 getattribute = _PyType_Lookup(tp, getattribute_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5097 if (getattribute == NULL ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5098 (Py_TYPE(getattribute) == &PyWrapperDescr_Type &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5099 ((PyWrapperDescrObject *)getattribute)->d_wrapped ==
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5100 (void *)PyObject_GenericGetAttr))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5101 res = PyObject_GenericGetAttr(self, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5102 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5103 Py_INCREF(getattribute);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5104 res = call_attribute(self, getattribute, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5105 Py_DECREF(getattribute);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5106 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5107 if (res == NULL && PyErr_ExceptionMatches(PyExc_AttributeError)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5108 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5109 res = call_attribute(self, getattr, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5110 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5111 Py_DECREF(getattr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5112 return res;
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5113 }
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5114
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5115 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5116 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
5117 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5118 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5119 static PyObject *delattr_str, *setattr_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5120
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5121 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5122 res = call_method(self, "__delattr__", &delattr_str,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5123 "(O)", name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5124 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5125 res = call_method(self, "__setattr__", &setattr_str,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5126 "(OO)", name, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5127 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5128 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5129 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5130 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5131 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5132
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5133 static char *name_op[] = {
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5134 "__lt__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5135 "__le__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5136 "__eq__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5137 "__ne__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5138 "__gt__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5139 "__ge__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5140 };
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5141
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5142 static PyObject *
57273
c5099818e0d4 Issue #6970: Remove redundant calls made when comparing objects.
Mark Dickinson <dickinsm@gmail.com>
parents: 55399
diff changeset
5143 slot_tp_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
5144 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5145 PyObject *func, *args, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5146 static PyObject *op_str[6];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5147
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5148 func = lookup_method(self, name_op[op], &op_str[op]);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5149 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5150 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5151 Py_INCREF(Py_NotImplemented);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5152 return Py_NotImplemented;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5153 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5154 args = PyTuple_Pack(1, other);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5155 if (args == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5156 res = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5157 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5158 res = PyObject_Call(func, args, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5159 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5160 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5161 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5162 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5163 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5164
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5165 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5166 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
5167 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5168 PyObject *func, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5169 static PyObject *iter_str, *getitem_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5170
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5171 func = lookup_method(self, "__iter__", &iter_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5172 if (func != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5173 PyObject *args;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5174 args = res = PyTuple_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5175 if (args != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5176 res = PyObject_Call(func, args, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5177 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5178 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5179 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5180 return res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5181 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5182 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5183 func = lookup_method(self, "__getitem__", &getitem_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5184 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5185 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5186 "'%.200s' object is not iterable",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5187 Py_TYPE(self)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5188 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5189 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5190 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5191 return PySeqIter_New(self);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5192 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5193
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5194 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5195 slot_tp_iternext(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5196 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5197 static PyObject *next_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5198 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
5199 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5200
19339
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5201 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
5202 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
5203 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5204 PyTypeObject *tp = Py_TYPE(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5205 PyObject *get;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5206 static PyObject *get_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5207
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5208 if (get_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5209 get_str = PyUnicode_InternFromString("__get__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5210 if (get_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5211 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5212 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5213 get = _PyType_Lookup(tp, get_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5214 if (get == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5215 /* Avoid further slowdowns */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5216 if (tp->tp_descr_get == slot_tp_descr_get)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5217 tp->tp_descr_get = NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5218 Py_INCREF(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5219 return self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5220 }
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parents: 59538
diff changeset
5221 if (obj == NULL)
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parents: 59538
diff changeset
5222 obj = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5223 if (type == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5224 type = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5225 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
5226 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5227
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5228 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5229 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
5230 {
61466
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parents: 59538
diff changeset
5231 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5232 static PyObject *del_str, *set_str;
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diff changeset
5233
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parents: 59538
diff changeset
5234 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5235 res = call_method(self, "__delete__", &del_str,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5236 "(O)", target);
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parents: 59538
diff changeset
5237 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5238 res = call_method(self, "__set__", &set_str,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5239 "(OO)", target, value);
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parents: 59538
diff changeset
5240 if (res == NULL)
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parents: 59538
diff changeset
5241 return -1;
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parents: 59538
diff changeset
5242 Py_DECREF(res);
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parents: 59538
diff changeset
5243 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5244 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5245
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5246 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5247 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
5248 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5249 static PyObject *init_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5250 PyObject *meth = lookup_method(self, "__init__", &init_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5251 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5252
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5253 if (meth == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5254 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5255 res = PyObject_Call(meth, args, kwds);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5256 Py_DECREF(meth);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5257 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5258 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5259 if (res != Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5260 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5261 "__init__() should return None, not '%.200s'",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5262 Py_TYPE(res)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5263 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5264 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5265 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5266 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5267 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5268 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5269
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5270 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5271 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
5272 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5273 static PyObject *new_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5274 PyObject *func;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5275 PyObject *newargs, *x;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5276 Py_ssize_t i, n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5277
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5278 if (new_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5279 new_str = PyUnicode_InternFromString("__new__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5280 if (new_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5281 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5282 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5283 func = PyObject_GetAttr((PyObject *)type, new_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5284 if (func == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5285 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5286 assert(PyTuple_Check(args));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5287 n = PyTuple_GET_SIZE(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5288 newargs = PyTuple_New(n+1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5289 if (newargs == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5290 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5291 Py_INCREF(type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5292 PyTuple_SET_ITEM(newargs, 0, (PyObject *)type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5293 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5294 x = PyTuple_GET_ITEM(args, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5295 Py_INCREF(x);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5296 PyTuple_SET_ITEM(newargs, i+1, x);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5297 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5298 x = PyObject_Call(func, newargs, kwds);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5299 Py_DECREF(newargs);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5300 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5301 return x;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5302 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5303
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5304 static void
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5305 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
5306 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5307 static PyObject *del_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5308 PyObject *del, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5309 PyObject *error_type, *error_value, *error_traceback;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5310
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5311 /* Temporarily resurrect the object. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5312 assert(self->ob_refcnt == 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5313 self->ob_refcnt = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5314
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5315 /* Save the current exception, if any. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5316 PyErr_Fetch(&error_type, &error_value, &error_traceback);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5317
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5318 /* Execute __del__ method, if any. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5319 del = lookup_maybe(self, "__del__", &del_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5320 if (del != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5321 res = PyEval_CallObject(del, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5322 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5323 PyErr_WriteUnraisable(del);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5324 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5325 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5326 Py_DECREF(del);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5327 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5328
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5329 /* Restore the saved exception. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5330 PyErr_Restore(error_type, error_value, error_traceback);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5331
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5332 /* Undo the temporary resurrection; can't use DECREF here, it would
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5333 * cause a recursive call.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5334 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5335 assert(self->ob_refcnt > 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5336 if (--self->ob_refcnt == 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5337 return; /* this is the normal path out */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5338
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5339 /* __del__ resurrected it! Make it look like the original Py_DECREF
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5340 * never happened.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5341 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5342 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5343 Py_ssize_t refcnt = self->ob_refcnt;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5344 _Py_NewReference(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5345 self->ob_refcnt = refcnt;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5346 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5347 assert(!PyType_IS_GC(Py_TYPE(self)) ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5348 _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5349 /* If Py_REF_DEBUG, _Py_NewReference bumped _Py_RefTotal, so
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5350 * we need to undo that. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5351 _Py_DEC_REFTOTAL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5352 /* If Py_TRACE_REFS, _Py_NewReference re-added self to the object
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5353 * chain, so no more to do there.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5354 * If COUNT_ALLOCS, the original decref bumped tp_frees, and
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5355 * _Py_NewReference bumped tp_allocs: both of those need to be
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5356 * undone.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5357 */
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5358 #ifdef COUNT_ALLOCS
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5359 --Py_TYPE(self)->tp_frees;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5360 --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
5361 #endif
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5362 }
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5363
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5364
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5365 /* 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
5366 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
5367 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
5368 sequences and mappings.
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5369 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
5370 __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
5371 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
5372 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
5373 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
5374
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5375 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
5376
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5377 #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
5378 #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
5379 #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
5380 #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
5381 #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
5382 #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
5383 #undef UNSLOT
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5384 #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
5385 #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
5386 #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
5387
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5388 #define TPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5389 {NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5390 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
5391 #define FLSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC, FLAGS) \
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5392 {NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5393 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
5394 #define ETSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5395 {NAME, offsetof(PyHeapTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5396 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
5397 #define SQSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5398 ETSLOT(NAME, as_sequence.SLOT, FUNCTION, WRAPPER, DOC)
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5399 #define MPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5400 ETSLOT(NAME, as_mapping.SLOT, FUNCTION, WRAPPER, DOC)
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5401 #define NBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5402 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, DOC)
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5403 #define UNSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5404 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5405 "x." NAME "() <==> " DOC)
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5406 #define IBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5407 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5408 "x." NAME "(y) <==> x" DOC "y")
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5409 #define BINSLOT(NAME, SLOT, FUNCTION, DOC) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5410 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5411 "x." NAME "(y) <==> x" DOC "y")
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5412 #define RBINSLOT(NAME, SLOT, FUNCTION, DOC) \
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5413 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5414 "x." NAME "(y) <==> y" DOC "x")
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5415 #define BINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5416 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5417 "x." NAME "(y) <==> " DOC)
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5418 #define RBINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5419 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5420 "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
5421
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5422 static slotdef slotdefs[] = {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5423 SQSLOT("__len__", sq_length, slot_sq_length, wrap_lenfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5424 "x.__len__() <==> len(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5425 /* Heap types defining __add__/__mul__ have sq_concat/sq_repeat == NULL.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5426 The logic in abstract.c always falls back to nb_add/nb_multiply in
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5427 this case. Defining both the nb_* and the sq_* slots to call the
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5428 user-defined methods has unexpected side-effects, as shown by
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5429 test_descr.notimplemented() */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5430 SQSLOT("__add__", sq_concat, NULL, wrap_binaryfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5431 "x.__add__(y) <==> x+y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5432 SQSLOT("__mul__", sq_repeat, NULL, wrap_indexargfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5433 "x.__mul__(n) <==> x*n"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5434 SQSLOT("__rmul__", sq_repeat, NULL, wrap_indexargfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5435 "x.__rmul__(n) <==> n*x"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5436 SQSLOT("__getitem__", sq_item, slot_sq_item, wrap_sq_item,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5437 "x.__getitem__(y) <==> x[y]"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5438 SQSLOT("__setitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_setitem,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5439 "x.__setitem__(i, y) <==> x[i]=y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5440 SQSLOT("__delitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_delitem,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5441 "x.__delitem__(y) <==> del x[y]"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5442 SQSLOT("__contains__", sq_contains, slot_sq_contains, wrap_objobjproc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5443 "x.__contains__(y) <==> y in x"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5444 SQSLOT("__iadd__", sq_inplace_concat, NULL,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5445 wrap_binaryfunc, "x.__iadd__(y) <==> x+=y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5446 SQSLOT("__imul__", sq_inplace_repeat, NULL,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5447 wrap_indexargfunc, "x.__imul__(y) <==> x*=y"),
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5448
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parents: 59538
diff changeset
5449 MPSLOT("__len__", mp_length, slot_mp_length, wrap_lenfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5450 "x.__len__() <==> len(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5451 MPSLOT("__getitem__", mp_subscript, slot_mp_subscript,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5452 wrap_binaryfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5453 "x.__getitem__(y) <==> x[y]"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5454 MPSLOT("__setitem__", mp_ass_subscript, slot_mp_ass_subscript,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5455 wrap_objobjargproc,
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parents: 59538
diff changeset
5456 "x.__setitem__(i, y) <==> x[i]=y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5457 MPSLOT("__delitem__", mp_ass_subscript, slot_mp_ass_subscript,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5458 wrap_delitem,
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parents: 59538
diff changeset
5459 "x.__delitem__(y) <==> del x[y]"),
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diff changeset
5460
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diff changeset
5461 BINSLOT("__add__", nb_add, slot_nb_add,
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parents: 59538
diff changeset
5462 "+"),
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parents: 59538
diff changeset
5463 RBINSLOT("__radd__", nb_add, slot_nb_add,
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diff changeset
5464 "+"),
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parents: 59538
diff changeset
5465 BINSLOT("__sub__", nb_subtract, slot_nb_subtract,
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diff changeset
5466 "-"),
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diff changeset
5467 RBINSLOT("__rsub__", nb_subtract, slot_nb_subtract,
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diff changeset
5468 "-"),
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diff changeset
5469 BINSLOT("__mul__", nb_multiply, slot_nb_multiply,
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diff changeset
5470 "*"),
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diff changeset
5471 RBINSLOT("__rmul__", nb_multiply, slot_nb_multiply,
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diff changeset
5472 "*"),
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diff changeset
5473 BINSLOT("__mod__", nb_remainder, slot_nb_remainder,
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diff changeset
5474 "%"),
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diff changeset
5475 RBINSLOT("__rmod__", nb_remainder, slot_nb_remainder,
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diff changeset
5476 "%"),
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diff changeset
5477 BINSLOTNOTINFIX("__divmod__", nb_divmod, slot_nb_divmod,
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diff changeset
5478 "divmod(x, y)"),
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diff changeset
5479 RBINSLOTNOTINFIX("__rdivmod__", nb_divmod, slot_nb_divmod,
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diff changeset
5480 "divmod(y, x)"),
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diff changeset
5481 NBSLOT("__pow__", nb_power, slot_nb_power, wrap_ternaryfunc,
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diff changeset
5482 "x.__pow__(y[, z]) <==> pow(x, y[, z])"),
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diff changeset
5483 NBSLOT("__rpow__", nb_power, slot_nb_power, wrap_ternaryfunc_r,
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diff changeset
5484 "y.__rpow__(x[, z]) <==> pow(x, y[, z])"),
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diff changeset
5485 UNSLOT("__neg__", nb_negative, slot_nb_negative, wrap_unaryfunc, "-x"),
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diff changeset
5486 UNSLOT("__pos__", nb_positive, slot_nb_positive, wrap_unaryfunc, "+x"),
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diff changeset
5487 UNSLOT("__abs__", nb_absolute, slot_nb_absolute, wrap_unaryfunc,
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diff changeset
5488 "abs(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5489 UNSLOT("__bool__", nb_bool, slot_nb_bool, wrap_inquirypred,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5490 "x != 0"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5491 UNSLOT("__invert__", nb_invert, slot_nb_invert, wrap_unaryfunc, "~x"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5492 BINSLOT("__lshift__", nb_lshift, slot_nb_lshift, "<<"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5493 RBINSLOT("__rlshift__", nb_lshift, slot_nb_lshift, "<<"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5494 BINSLOT("__rshift__", nb_rshift, slot_nb_rshift, ">>"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5495 RBINSLOT("__rrshift__", nb_rshift, slot_nb_rshift, ">>"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5496 BINSLOT("__and__", nb_and, slot_nb_and, "&"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5497 RBINSLOT("__rand__", nb_and, slot_nb_and, "&"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5498 BINSLOT("__xor__", nb_xor, slot_nb_xor, "^"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5499 RBINSLOT("__rxor__", nb_xor, slot_nb_xor, "^"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5500 BINSLOT("__or__", nb_or, slot_nb_or, "|"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5501 RBINSLOT("__ror__", nb_or, slot_nb_or, "|"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5502 UNSLOT("__int__", nb_int, slot_nb_int, wrap_unaryfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5503 "int(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5504 UNSLOT("__float__", nb_float, slot_nb_float, wrap_unaryfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5505 "float(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5506 NBSLOT("__index__", nb_index, slot_nb_index, wrap_unaryfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5507 "x[y:z] <==> x[y.__index__():z.__index__()]"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5508 IBSLOT("__iadd__", nb_inplace_add, slot_nb_inplace_add,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5509 wrap_binaryfunc, "+"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5510 IBSLOT("__isub__", nb_inplace_subtract, slot_nb_inplace_subtract,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5511 wrap_binaryfunc, "-"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5512 IBSLOT("__imul__", nb_inplace_multiply, slot_nb_inplace_multiply,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5513 wrap_binaryfunc, "*"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5514 IBSLOT("__imod__", nb_inplace_remainder, slot_nb_inplace_remainder,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5515 wrap_binaryfunc, "%"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5516 IBSLOT("__ipow__", nb_inplace_power, slot_nb_inplace_power,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5517 wrap_binaryfunc, "**"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5518 IBSLOT("__ilshift__", nb_inplace_lshift, slot_nb_inplace_lshift,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5519 wrap_binaryfunc, "<<"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5520 IBSLOT("__irshift__", nb_inplace_rshift, slot_nb_inplace_rshift,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5521 wrap_binaryfunc, ">>"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5522 IBSLOT("__iand__", nb_inplace_and, slot_nb_inplace_and,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5523 wrap_binaryfunc, "&"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5524 IBSLOT("__ixor__", nb_inplace_xor, slot_nb_inplace_xor,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5525 wrap_binaryfunc, "^"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5526 IBSLOT("__ior__", nb_inplace_or, slot_nb_inplace_or,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5527 wrap_binaryfunc, "|"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5528 BINSLOT("__floordiv__", nb_floor_divide, slot_nb_floor_divide, "//"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5529 RBINSLOT("__rfloordiv__", nb_floor_divide, slot_nb_floor_divide, "//"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5530 BINSLOT("__truediv__", nb_true_divide, slot_nb_true_divide, "/"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5531 RBINSLOT("__rtruediv__", nb_true_divide, slot_nb_true_divide, "/"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5532 IBSLOT("__ifloordiv__", nb_inplace_floor_divide,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5533 slot_nb_inplace_floor_divide, wrap_binaryfunc, "//"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5534 IBSLOT("__itruediv__", nb_inplace_true_divide,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5535 slot_nb_inplace_true_divide, wrap_binaryfunc, "/"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5536
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5537 TPSLOT("__str__", tp_str, slot_tp_str, wrap_unaryfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5538 "x.__str__() <==> str(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5539 TPSLOT("__repr__", tp_repr, slot_tp_repr, wrap_unaryfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5540 "x.__repr__() <==> repr(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5541 TPSLOT("__hash__", tp_hash, slot_tp_hash, wrap_hashfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5542 "x.__hash__() <==> hash(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5543 FLSLOT("__call__", tp_call, slot_tp_call, (wrapperfunc)wrap_call,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5544 "x.__call__(...) <==> x(...)", PyWrapperFlag_KEYWORDS),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5545 TPSLOT("__getattribute__", tp_getattro, slot_tp_getattr_hook,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5546 wrap_binaryfunc, "x.__getattribute__('name') <==> x.name"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5547 TPSLOT("__getattribute__", tp_getattr, NULL, NULL, ""),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5548 TPSLOT("__getattr__", tp_getattro, slot_tp_getattr_hook, NULL, ""),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5549 TPSLOT("__getattr__", tp_getattr, NULL, NULL, ""),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5550 TPSLOT("__setattr__", tp_setattro, slot_tp_setattro, wrap_setattr,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5551 "x.__setattr__('name', value) <==> x.name = value"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5552 TPSLOT("__setattr__", tp_setattr, NULL, NULL, ""),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5553 TPSLOT("__delattr__", tp_setattro, slot_tp_setattro, wrap_delattr,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5554 "x.__delattr__('name') <==> del x.name"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5555 TPSLOT("__delattr__", tp_setattr, NULL, NULL, ""),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5556 TPSLOT("__lt__", tp_richcompare, slot_tp_richcompare, richcmp_lt,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5557 "x.__lt__(y) <==> x<y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5558 TPSLOT("__le__", tp_richcompare, slot_tp_richcompare, richcmp_le,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5559 "x.__le__(y) <==> x<=y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5560 TPSLOT("__eq__", tp_richcompare, slot_tp_richcompare, richcmp_eq,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5561 "x.__eq__(y) <==> x==y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5562 TPSLOT("__ne__", tp_richcompare, slot_tp_richcompare, richcmp_ne,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5563 "x.__ne__(y) <==> x!=y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5564 TPSLOT("__gt__", tp_richcompare, slot_tp_richcompare, richcmp_gt,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5565 "x.__gt__(y) <==> x>y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5566 TPSLOT("__ge__", tp_richcompare, slot_tp_richcompare, richcmp_ge,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5567 "x.__ge__(y) <==> x>=y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5568 TPSLOT("__iter__", tp_iter, slot_tp_iter, wrap_unaryfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5569 "x.__iter__() <==> iter(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5570 TPSLOT("__next__", tp_iternext, slot_tp_iternext, wrap_next,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5571 "x.__next__() <==> next(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5572 TPSLOT("__get__", tp_descr_get, slot_tp_descr_get, wrap_descr_get,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5573 "descr.__get__(obj[, type]) -> value"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5574 TPSLOT("__set__", tp_descr_set, slot_tp_descr_set, wrap_descr_set,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5575 "descr.__set__(obj, value)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5576 TPSLOT("__delete__", tp_descr_set, slot_tp_descr_set,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5577 wrap_descr_delete, "descr.__delete__(obj)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5578 FLSLOT("__init__", tp_init, slot_tp_init, (wrapperfunc)wrap_init,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5579 "x.__init__(...) initializes x; "
64076
e3df34544db9 Issue #8983: Corrected docstrings.
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 63949
diff changeset
5580 "see help(type(x)) for signature",
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5581 PyWrapperFlag_KEYWORDS),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5582 TPSLOT("__new__", tp_new, slot_tp_new, NULL, ""),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5583 TPSLOT("__del__", tp_del, slot_tp_del, NULL, ""),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5584 {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
5585 };
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5586
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5587 /* Given a type pointer and an offset gotten from a slotdef entry, return a
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5588 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
5589 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
5590 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
5591 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
5592 static void **
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5593 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
5594 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5595 char *ptr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5596 long offset = ioffset;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5597
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5598 /* Note: this depends on the order of the members of PyHeapTypeObject! */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5599 assert(offset >= 0);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5600 assert((size_t)offset < offsetof(PyHeapTypeObject, as_buffer));
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5601 if ((size_t)offset >= offsetof(PyHeapTypeObject, as_sequence)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5602 ptr = (char *)type->tp_as_sequence;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5603 offset -= offsetof(PyHeapTypeObject, as_sequence);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5604 }
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parents: 59538
diff changeset
5605 else if ((size_t)offset >= offsetof(PyHeapTypeObject, as_mapping)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5606 ptr = (char *)type->tp_as_mapping;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5607 offset -= offsetof(PyHeapTypeObject, as_mapping);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5608 }
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parents: 59538
diff changeset
5609 else if ((size_t)offset >= offsetof(PyHeapTypeObject, as_number)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5610 ptr = (char *)type->tp_as_number;
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parents: 59538
diff changeset
5611 offset -= offsetof(PyHeapTypeObject, as_number);
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parents: 59538
diff changeset
5612 }
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diff changeset
5613 else {
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parents: 59538
diff changeset
5614 ptr = (char *)type;
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parents: 59538
diff changeset
5615 }
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parents: 59538
diff changeset
5616 if (ptr != NULL)
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parents: 59538
diff changeset
5617 ptr += offset;
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parents: 59538
diff changeset
5618 return (void **)ptr;
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5619 }
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
5620
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5621 /* 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
5622 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
5623 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
5624 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
5625 #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
5626
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5627 /* 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
5628 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
5629 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
5630 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
5631 {
61466
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parents: 59538
diff changeset
5632 /* XXX Maybe this could be optimized more -- but is it worth it? */
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parents: 59538
diff changeset
5633
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parents: 59538
diff changeset
5634 /* pname and ptrs act as a little cache */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5635 static PyObject *pname;
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parents: 59538
diff changeset
5636 static slotdef *ptrs[MAX_EQUIV];
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5637 slotdef *p, **pp;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5638 void **res, **ptr;
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parents: 59538
diff changeset
5639
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parents: 59538
diff changeset
5640 if (pname != name) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5641 /* Collect all slotdefs that match name into ptrs. */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5642 pname = name;
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parents: 59538
diff changeset
5643 pp = ptrs;
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parents: 59538
diff changeset
5644 for (p = slotdefs; p->name_strobj; p++) {
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parents: 59538
diff changeset
5645 if (p->name_strobj == name)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5646 *pp++ = p;
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parents: 59538
diff changeset
5647 }
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parents: 59538
diff changeset
5648 *pp = NULL;
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parents: 59538
diff changeset
5649 }
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parents: 59538
diff changeset
5650
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5651 /* Look in all matching slots of the type; if exactly one of these has
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5652 a filled-in slot, return its value. Otherwise return NULL. */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5653 res = NULL;
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parents: 59538
diff changeset
5654 for (pp = ptrs; *pp; pp++) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5655 ptr = slotptr(type, (*pp)->offset);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5656 if (ptr == NULL || *ptr == NULL)
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parents: 59538
diff changeset
5657 continue;
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parents: 59538
diff changeset
5658 if (res != NULL)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5659 return NULL;
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parents: 59538
diff changeset
5660 res = ptr;
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parents: 59538
diff changeset
5661 }
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parents: 59538
diff changeset
5662 return res;
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5663 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5664
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5665 /* 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
5666 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
5667 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
5668 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
5669 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
5670 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
5671 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
5672 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
5673 {
61466
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diff changeset
5674 PyObject *descr;
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parents: 59538
diff changeset
5675 PyWrapperDescrObject *d;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5676 void *generic = NULL, *specific = NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5677 int use_generic = 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5678 int offset = p->offset;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5679 void **ptr = slotptr(type, offset);
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parents: 59538
diff changeset
5680
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parents: 59538
diff changeset
5681 if (ptr == NULL) {
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parents: 59538
diff changeset
5682 do {
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parents: 59538
diff changeset
5683 ++p;
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parents: 59538
diff changeset
5684 } while (p->offset == offset);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5685 return p;
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parents: 59538
diff changeset
5686 }
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parents: 59538
diff changeset
5687 do {
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parents: 59538
diff changeset
5688 descr = _PyType_Lookup(type, p->name_strobj);
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parents: 59538
diff changeset
5689 if (descr == NULL) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5690 if (ptr == (void**)&type->tp_iternext) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5691 specific = _PyObject_NextNotImplemented;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5692 }
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parents: 59538
diff changeset
5693 continue;
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parents: 59538
diff changeset
5694 }
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parents: 59538
diff changeset
5695 if (Py_TYPE(descr) == &PyWrapperDescr_Type) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5696 void **tptr = resolve_slotdups(type, p->name_strobj);
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parents: 59538
diff changeset
5697 if (tptr == NULL || tptr == ptr)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5698 generic = p->function;
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parents: 59538
diff changeset
5699 d = (PyWrapperDescrObject *)descr;
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parents: 59538
diff changeset
5700 if (d->d_base->wrapper == p->wrapper &&
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parents: 59538
diff changeset
5701 PyType_IsSubtype(type, PyDescr_TYPE(d)))
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parents: 59538
diff changeset
5702 {
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parents: 59538
diff changeset
5703 if (specific == NULL ||
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parents: 59538
diff changeset
5704 specific == d->d_wrapped)
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parents: 59538
diff changeset
5705 specific = d->d_wrapped;
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parents: 59538
diff changeset
5706 else
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parents: 59538
diff changeset
5707 use_generic = 1;
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parents: 59538
diff changeset
5708 }
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parents: 59538
diff changeset
5709 }
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parents: 59538
diff changeset
5710 else if (Py_TYPE(descr) == &PyCFunction_Type &&
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parents: 59538
diff changeset
5711 PyCFunction_GET_FUNCTION(descr) ==
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parents: 59538
diff changeset
5712 (PyCFunction)tp_new_wrapper &&
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parents: 59538
diff changeset
5713 ptr == (void**)&type->tp_new)
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parents: 59538
diff changeset
5714 {
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parents: 59538
diff changeset
5715 /* The __new__ wrapper is not a wrapper descriptor,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5716 so must be special-cased differently.
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parents: 59538
diff changeset
5717 If we don't do this, creating an instance will
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5718 always use slot_tp_new which will look up
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parents: 59538
diff changeset
5719 __new__ in the MRO which will call tp_new_wrapper
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parents: 59538
diff changeset
5720 which will look through the base classes looking
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5721 for a static base and call its tp_new (usually
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parents: 59538
diff changeset
5722 PyType_GenericNew), after performing various
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diff changeset
5723 sanity checks and constructing a new argument
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diff changeset
5724 list. Cut all that nonsense short -- this speeds
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5725 up instance creation tremendously. */
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diff changeset
5726 specific = (void *)type->tp_new;
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diff changeset
5727 /* XXX I'm not 100% sure that there isn't a hole
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parents: 59538
diff changeset
5728 in this reasoning that requires additional
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5729 sanity checks. I'll buy the first person to
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5730 point out a bug in this reasoning a beer. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5731 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5732 else if (descr == Py_None &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5733 ptr == (void**)&type->tp_hash) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5734 /* We specifically allow __hash__ to be set to None
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5735 to prevent inheritance of the default
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5736 implementation from object.__hash__ */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5737 specific = PyObject_HashNotImplemented;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5738 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5739 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5740 use_generic = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5741 generic = p->function;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5742 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5743 } while ((++p)->offset == offset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5744 if (specific && !use_generic)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5745 *ptr = specific;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5746 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5747 *ptr = generic;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5748 return p;
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5749 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5750
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5751 /* 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
5752 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
5753 static int
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5754 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
5755 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5756 slotdef **pp = (slotdef **)data;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5757
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5758 for (; *pp; pp++)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5759 update_one_slot(type, *pp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5760 return 0;
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5761 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5762
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5763 /* 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
5764 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
5765 static int
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5766 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
5767 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5768 const slotdef *a = (const slotdef *)aa, *b = (const slotdef *)bb;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5769 int c = a->offset - b->offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5770 if (c != 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5771 return c;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5772 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5773 /* Cannot use a-b, as this gives off_t,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5774 which may lose precision when converted to int. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5775 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
5776 }
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5777
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5778 /* 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
5779 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
5780 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
5781 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
5782 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5783 slotdef *p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5784 static int initialized = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5785
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5786 if (initialized)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5787 return;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5788 for (p = slotdefs; p->name; p++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5789 p->name_strobj = PyUnicode_InternFromString(p->name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5790 if (!p->name_strobj)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5791 Py_FatalError("Out of memory interning slotdef names");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5792 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5793 qsort((void *)slotdefs, (size_t)(p-slotdefs), sizeof(slotdef),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5794 slotdef_cmp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5795 initialized = 1;
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5796 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5797
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5798 /* 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
5799 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
5800 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
5801 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5802 slotdef *ptrs[MAX_EQUIV];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5803 slotdef *p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5804 slotdef **pp;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5805 int offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5806
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5807 /* Clear the VALID_VERSION flag of 'type' and all its
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5808 subclasses. This could possibly be unified with the
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5809 update_subclasses() recursion below, but carefully:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5810 they each have their own conditions on which to stop
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5811 recursing into subclasses. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5812 PyType_Modified(type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5813
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5814 init_slotdefs();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5815 pp = ptrs;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5816 for (p = slotdefs; p->name; p++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5817 /* XXX assume name is interned! */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5818 if (p->name_strobj == name)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5819 *pp++ = p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5820 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5821 *pp = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5822 for (pp = ptrs; *pp; pp++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5823 p = *pp;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5824 offset = p->offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5825 while (p > slotdefs && (p-1)->offset == offset)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5826 --p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5827 *pp = p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5828 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5829 if (ptrs[0] == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5830 return 0; /* Not an attribute that affects any slots */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5831 return update_subclasses(type, name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5832 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
5833 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5834
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5835 /* 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
5836 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
5837 dict. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5838 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
5839 fixup_slot_dispatchers(PyTypeObject *type)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5840 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5841 slotdef *p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5842
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5843 init_slotdefs();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5844 for (p = slotdefs; p->name; )
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5845 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
5846 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5847
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5848 static void
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5849 update_all_slots(PyTypeObject* type)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5850 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5851 slotdef *p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5852
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5853 init_slotdefs();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5854 for (p = slotdefs; p->name; p++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5855 /* update_slot returns int but can't actually fail */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5856 update_slot(type, p->name_strobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5857 }
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5858 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5859
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5860 /* 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
5861 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
5862 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
5863
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5864 static int
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5865 update_subclasses(PyTypeObject *type, PyObject *name,
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5866 update_callback callback, void *data)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5867 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5868 if (callback(type, data) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5869 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5870 return recurse_down_subclasses(type, name, callback, data);
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5871 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5872
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5873 static int
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5874 recurse_down_subclasses(PyTypeObject *type, PyObject *name,
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5875 update_callback callback, void *data)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5876 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5877 PyTypeObject *subclass;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5878 PyObject *ref, *subclasses, *dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5879 Py_ssize_t i, n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5880
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5881 subclasses = type->tp_subclasses;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5882 if (subclasses == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5883 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5884 assert(PyList_Check(subclasses));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5885 n = PyList_GET_SIZE(subclasses);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5886 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5887 ref = PyList_GET_ITEM(subclasses, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5888 assert(PyWeakref_CheckRef(ref));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5889 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5890 assert(subclass != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5891 if ((PyObject *)subclass == Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5892 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5893 assert(PyType_Check(subclass));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5894 /* Avoid recursing down into unaffected classes */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5895 dict = subclass->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5896 if (dict != NULL && PyDict_Check(dict) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5897 PyDict_GetItem(dict, name) != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5898 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5899 if (update_subclasses(subclass, name, callback, data) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5900 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5901 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5902 return 0;
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5903 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5904
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5905 /* 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
5906 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
5907 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
5908 corresponding descriptors are added in the type's tp_dict dictionary
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5909 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
5910 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
5911 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
5912 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
5913 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
5914
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5915 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
5916 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
5917 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
5918 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
5919 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
5920 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
5921 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
5922 wins.
23830
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
5923
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
5924 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
5925 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
5926 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
5927 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
5928 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
5929 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
5930 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
5931 (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
5932 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
5933 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
5934
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5935 static int
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5936 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
5937 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5938 PyObject *dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5939 slotdef *p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5940 PyObject *descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5941 void **ptr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5942
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5943 init_slotdefs();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5944 for (p = slotdefs; p->name; p++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5945 if (p->wrapper == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5946 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5947 ptr = slotptr(type, p->offset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5948 if (!ptr || !*ptr)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5949 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5950 if (PyDict_GetItem(dict, p->name_strobj))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5951 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5952 if (*ptr == PyObject_HashNotImplemented) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5953 /* Classes may prevent the inheritance of the tp_hash
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5954 slot by storing PyObject_HashNotImplemented in it. Make it
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5955 visible as a None value for the __hash__ attribute. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5956 if (PyDict_SetItem(dict, p->name_strobj, Py_None) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5957 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5958 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5959 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5960 descr = PyDescr_NewWrapper(type, p, *ptr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5961 if (descr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5962 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5963 if (PyDict_SetItem(dict, p->name_strobj, descr) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5964 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5965 Py_DECREF(descr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5966 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5967 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5968 if (type->tp_new != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5969 if (add_tp_new_wrapper(type) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5970 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5971 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5972 return 0;
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5973 }
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5974
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5975
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5976 /* Cooperative 'super' */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5977
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5978 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5979 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5980 PyTypeObject *type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5981 PyObject *obj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5982 PyTypeObject *obj_type;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5983 } superobject;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5984
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
5985 static PyMemberDef super_members[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5986 {"__thisclass__", T_OBJECT, offsetof(superobject, type), READONLY,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5987 "the class invoking super()"},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5988 {"__self__", T_OBJECT, offsetof(superobject, obj), READONLY,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5989 "the instance invoking super(); may be None"},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
5990 {"__self_class__", T_OBJECT, offsetof(superobject, obj_type), READONLY,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5991 "the type of the instance invoking super(); may be None"},
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parents: 59538
diff changeset
5992 {0}
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5993 };
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5994
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5995 static void
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5996 super_dealloc(PyObject *self)
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5997 {
61466
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parents: 59538
diff changeset
5998 superobject *su = (superobject *)self;
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parents: 59538
diff changeset
5999
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6000 _PyObject_GC_UNTRACK(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6001 Py_XDECREF(su->obj);
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parents: 59538
diff changeset
6002 Py_XDECREF(su->type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6003 Py_XDECREF(su->obj_type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6004 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
6005 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6006
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6007 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
6008 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
6009 {
61466
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parents: 59538
diff changeset
6010 superobject *su = (superobject *)self;
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parents: 59538
diff changeset
6011
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parents: 59538
diff changeset
6012 if (su->obj_type)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6013 return PyUnicode_FromFormat(
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6014 "<super: <class '%s'>, <%s object>>",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6015 su->type ? su->type->tp_name : "NULL",
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parents: 59538
diff changeset
6016 su->obj_type->tp_name);
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parents: 59538
diff changeset
6017 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6018 return PyUnicode_FromFormat(
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parents: 59538
diff changeset
6019 "<super: <class '%s'>, NULL>",
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parents: 59538
diff changeset
6020 su->type ? su->type->tp_name : "NULL");
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6021 }
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6022
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6023 static PyObject *
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6024 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
6025 {
61466
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parents: 59538
diff changeset
6026 superobject *su = (superobject *)self;
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parents: 59538
diff changeset
6027 int skip = su->obj_type == NULL;
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parents: 59538
diff changeset
6028
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parents: 59538
diff changeset
6029 if (!skip) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6030 /* We want __class__ to return the class of the super object
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parents: 59538
diff changeset
6031 (i.e. super, or a subclass), not the class of su->obj. */
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parents: 59538
diff changeset
6032 skip = (PyUnicode_Check(name) &&
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parents: 59538
diff changeset
6033 PyUnicode_GET_SIZE(name) == 9 &&
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parents: 59538
diff changeset
6034 PyUnicode_CompareWithASCIIString(name, "__class__") == 0);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6035 }
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parents: 59538
diff changeset
6036
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parents: 59538
diff changeset
6037 if (!skip) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6038 PyObject *mro, *res, *tmp, *dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6039 PyTypeObject *starttype;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6040 descrgetfunc f;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6041 Py_ssize_t i, n;
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parents: 59538
diff changeset
6042
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6043 starttype = su->obj_type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6044 mro = starttype->tp_mro;
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parents: 59538
diff changeset
6045
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parents: 59538
diff changeset
6046 if (mro == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6047 n = 0;
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parents: 59538
diff changeset
6048 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6049 assert(PyTuple_Check(mro));
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6050 n = PyTuple_GET_SIZE(mro);
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parents: 59538
diff changeset
6051 }
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parents: 59538
diff changeset
6052 for (i = 0; i < n; i++) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6053 if ((PyObject *)(su->type) == PyTuple_GET_ITEM(mro, i))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6054 break;
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parents: 59538
diff changeset
6055 }
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parents: 59538
diff changeset
6056 i++;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6057 res = NULL;
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parents: 59538
diff changeset
6058 for (; i < n; i++) {
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parents: 59538
diff changeset
6059 tmp = PyTuple_GET_ITEM(mro, i);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6060 if (PyType_Check(tmp))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6061 dict = ((PyTypeObject *)tmp)->tp_dict;
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parents: 59538
diff changeset
6062 else
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parents: 59538
diff changeset
6063 continue;
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parents: 59538
diff changeset
6064 res = PyDict_GetItem(dict, name);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6065 if (res != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6066 Py_INCREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6067 f = Py_TYPE(res)->tp_descr_get;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6068 if (f != NULL) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6069 tmp = f(res,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6070 /* Only pass 'obj' param if
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6071 this is instance-mode super
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parents: 59538
diff changeset
6072 (See SF ID #743627)
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parents: 59538
diff changeset
6073 */
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parents: 59538
diff changeset
6074 (su->obj == (PyObject *)
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parents: 59538
diff changeset
6075 su->obj_type
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parents: 59538
diff changeset
6076 ? (PyObject *)NULL
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parents: 59538
diff changeset
6077 : su->obj),
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parents: 59538
diff changeset
6078 (PyObject *)starttype);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6079 Py_DECREF(res);
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parents: 59538
diff changeset
6080 res = tmp;
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parents: 59538
diff changeset
6081 }
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parents: 59538
diff changeset
6082 return res;
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parents: 59538
diff changeset
6083 }
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parents: 59538
diff changeset
6084 }
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parents: 59538
diff changeset
6085 }
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diff changeset
6086 return PyObject_GenericGetAttr(self, name);
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6087 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6088
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6089 static PyTypeObject *
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6090 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
6091 {
61466
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parents: 59538
diff changeset
6092 /* Check that a super() call makes sense. Return a type object.
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parents: 59538
diff changeset
6093
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parents: 59538
diff changeset
6094 obj can be a new-style class, or an instance of one:
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parents: 59538
diff changeset
6095
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parents: 59538
diff changeset
6096 - If it is a class, it must be a subclass of 'type'. This case is
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
6097 used for class methods; the return value is obj.
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diff changeset
6098
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parents: 59538
diff changeset
6099 - If it is an instance, it must be an instance of 'type'. This is
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
6100 the normal case; the return value is obj.__class__.
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diff changeset
6101
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parents: 59538
diff changeset
6102 But... when obj is an instance, we want to allow for the case where
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
6103 Py_TYPE(obj) is not a subclass of type, but obj.__class__ is!
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6104 This will allow using super() with a proxy for obj.
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parents: 59538
diff changeset
6105 */
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diff changeset
6106
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parents: 59538
diff changeset
6107 /* Check for first bullet above (special case) */
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parents: 59538
diff changeset
6108 if (PyType_Check(obj) && PyType_IsSubtype((PyTypeObject *)obj, type)) {
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parents: 59538
diff changeset
6109 Py_INCREF(obj);
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parents: 59538
diff changeset
6110 return (PyTypeObject *)obj;
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parents: 59538
diff changeset
6111 }
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diff changeset
6112
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diff changeset
6113 /* Normal case */
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parents: 59538
diff changeset
6114 if (PyType_IsSubtype(Py_TYPE(obj), type)) {
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diff changeset
6115 Py_INCREF(Py_TYPE(obj));
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diff changeset
6116 return Py_TYPE(obj);
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parents: 59538
diff changeset
6117 }
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diff changeset
6118 else {
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diff changeset
6119 /* Try the slow way */
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diff changeset
6120 static PyObject *class_str = NULL;
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diff changeset
6121 PyObject *class_attr;
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diff changeset
6122
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6123 if (class_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6124 class_str = PyUnicode_FromString("__class__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6125 if (class_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6126 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6127 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6128
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6129 class_attr = PyObject_GetAttr(obj, class_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6130
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6131 if (class_attr != NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6132 PyType_Check(class_attr) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6133 (PyTypeObject *)class_attr != Py_TYPE(obj))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6134 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6135 int ok = PyType_IsSubtype(
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6136 (PyTypeObject *)class_attr, type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6137 if (ok)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6138 return (PyTypeObject *)class_attr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6139 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6140
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6141 if (class_attr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6142 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6143 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6144 Py_DECREF(class_attr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6145 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6146
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6147 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6148 "super(type, obj): "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6149 "obj must be an instance or subtype of type");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6150 return NULL;
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6151 }
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6152
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6153 static PyObject *
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6154 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
6155 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6156 superobject *su = (superobject *)self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6157 superobject *newobj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6158
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6159 if (obj == NULL || obj == Py_None || su->obj != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6160 /* Not binding to an object, or already bound */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6161 Py_INCREF(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6162 return self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6163 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6164 if (Py_TYPE(su) != &PySuper_Type)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6165 /* If su is an instance of a (strict) subclass of super,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6166 call its type */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6167 return PyObject_CallFunctionObjArgs((PyObject *)Py_TYPE(su),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6168 su->type, obj, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6169 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6170 /* Inline the common case */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6171 PyTypeObject *obj_type = supercheck(su->type, obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6172 if (obj_type == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6173 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6174 newobj = (superobject *)PySuper_Type.tp_new(&PySuper_Type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6175 NULL, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6176 if (newobj == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6177 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6178 Py_INCREF(su->type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6179 Py_INCREF(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6180 newobj->type = su->type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6181 newobj->obj = obj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6182 newobj->obj_type = obj_type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6183 return (PyObject *)newobj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6184 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6185 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6186
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6187 static int
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6188 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
6189 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6190 superobject *su = (superobject *)self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6191 PyTypeObject *type = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6192 PyObject *obj = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6193 PyTypeObject *obj_type = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6194
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6195 if (!_PyArg_NoKeywords("super", kwds))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6196 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6197 if (!PyArg_ParseTuple(args, "|O!O:super", &PyType_Type, &type, &obj))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6198 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6199
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6200 if (type == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6201 /* Call super(), without args -- fill in from __class__
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6202 and first local variable on the stack. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6203 PyFrameObject *f = PyThreadState_GET()->frame;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6204 PyCodeObject *co = f->f_code;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6205 int i, n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6206 if (co == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6207 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6208 "super(): no code object");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6209 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6210 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6211 if (co->co_argcount == 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6212 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6213 "super(): no arguments");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6214 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6215 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6216 obj = f->f_localsplus[0];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6217 if (obj == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6218 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6219 "super(): arg[0] deleted");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6220 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6221 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6222 if (co->co_freevars == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6223 n = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6224 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6225 assert(PyTuple_Check(co->co_freevars));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6226 n = PyTuple_GET_SIZE(co->co_freevars);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6227 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6228 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6229 PyObject *name = PyTuple_GET_ITEM(co->co_freevars, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6230 assert(PyUnicode_Check(name));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6231 if (!PyUnicode_CompareWithASCIIString(name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6232 "__class__")) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6233 Py_ssize_t index = co->co_nlocals +
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6234 PyTuple_GET_SIZE(co->co_cellvars) + i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6235 PyObject *cell = f->f_localsplus[index];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6236 if (cell == NULL || !PyCell_Check(cell)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6237 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6238 "super(): bad __class__ cell");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6239 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6240 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6241 type = (PyTypeObject *) PyCell_GET(cell);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6242 if (type == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6243 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6244 "super(): empty __class__ cell");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6245 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6246 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6247 if (!PyType_Check(type)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6248 PyErr_Format(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6249 "super(): __class__ is not a type (%s)",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6250 Py_TYPE(type)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6251 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6252 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6253 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6254 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6255 }
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6256 if (type == NULL) {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6257 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6258 "super(): __class__ cell not found");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6259 return -1;
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6260 }
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6261 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6262
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6263 if (obj == Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6264 obj = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6265 if (obj != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6266 obj_type = supercheck(type, obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6267 if (obj_type == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6268 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6269 Py_INCREF(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6270 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6271 Py_INCREF(type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6272 su->type = type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6273 su->obj = obj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6274 su->obj_type = obj_type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6275 return 0;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6276 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6277
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23830
diff changeset
6278 PyDoc_STRVAR(super_doc,
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6279 "super() -> same as super(__class__, <first argument>)\n"
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6280 "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
6281 "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
6282 "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
6283 "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
6284 "class C(B):\n"
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6285 " def meth(self, arg):\n"
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6286 " super().meth(arg)\n"
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6287 "This works for class methods too:\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6288 "class C(B):\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6289 " @classmethod\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6290 " def cmeth(cls, arg):\n"
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6291 " super().cmeth(arg)\n");
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6292
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6293 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
6294 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
6295 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6296 superobject *su = (superobject *)self;
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parents: 59538
diff changeset
6297
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6298 Py_VISIT(su->obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6299 Py_VISIT(su->type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6300 Py_VISIT(su->obj_type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6301
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6302 return 0;
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6303 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6304
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6305 PyTypeObject PySuper_Type = {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6306 PyVarObject_HEAD_INIT(&PyType_Type, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6307 "super", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6308 sizeof(superobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6309 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6310 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6311 super_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6312 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6313 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6314 0, /* tp_setattr */
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parents: 59538
diff changeset
6315 0, /* tp_reserved */
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parents: 59538
diff changeset
6316 super_repr, /* tp_repr */
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parents: 59538
diff changeset
6317 0, /* tp_as_number */
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parents: 59538
diff changeset
6318 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6319 0, /* tp_as_mapping */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6320 0, /* tp_hash */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6321 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6322 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6323 super_getattro, /* tp_getattro */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6324 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6325 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6326 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6327 Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6328 super_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6329 super_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6330 0, /* tp_clear */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6331 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6332 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6333 0, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6334 0, /* tp_iternext */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6335 0, /* tp_methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6336 super_members, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6337 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6338 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6339 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6340 super_descr_get, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6341 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6342 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6343 super_init, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6344 PyType_GenericAlloc, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6345 PyType_GenericNew, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6346 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
6347 };