Mercurial > cpython-lru_cache-weakref

annotate Objects/typeobject.c @ 64158:ea0decd2acfb

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Fix typo
author Éric Araujo <merwok@netwok.org>
date Wed, 18 Aug 2010 22:35:23 +0000
parents e3df34544db9
children 8330346b5c5f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
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191 static PyMemberDef type_members[] = {
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192 {"__basicsize__", T_INT, offsetof(PyTypeObject,tp_basicsize),READONLY},
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193 {"__itemsize__", T_INT, 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 = PyDict_GetItemString(type->tp_dict,
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324 "__abstractmethods__");
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325 if (!mod) {
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326 PyErr_Format(PyExc_AttributeError, "__abstractmethods__");
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327 return NULL;
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328 }
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329 Py_XINCREF(mod);
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330 return mod;
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331 }
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332
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333 static int
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334 type_set_abstractmethods(PyTypeObject *type, PyObject *value, void *context)
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335 {
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336 /* __abstractmethods__ should only be set once on a type, in
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337 abc.ABCMeta.__new__, so this function doesn't do anything
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338 special to update subclasses.
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339 */
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340 int res = PyDict_SetItemString(type->tp_dict,
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341 "__abstractmethods__", value);
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342 if (res == 0) {
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343 PyType_Modified(type);
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344 if (value && PyObject_IsTrue(value)) {
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345 type->tp_flags |= Py_TPFLAGS_IS_ABSTRACT;
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346 }
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347 else {
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348 type->tp_flags &= ~Py_TPFLAGS_IS_ABSTRACT;
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349 }
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350 }
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351 return res;
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352 }
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353
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354 static PyObject *
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355 type_get_bases(PyTypeObject *type, void *context)
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356 {
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357 Py_INCREF(type->tp_bases);
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358 return type->tp_bases;
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359 }
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360
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361 static PyTypeObject *best_base(PyObject *);
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362 static int mro_internal(PyTypeObject *);
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363 static int compatible_for_assignment(PyTypeObject *, PyTypeObject *, char *);
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364 static int add_subclass(PyTypeObject*, PyTypeObject*);
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365 static void remove_subclass(PyTypeObject *, PyTypeObject *);
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366 static void update_all_slots(PyTypeObject *);
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367
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63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
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368 typedef int (*update_callback)(PyTypeObject *, void *);
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369 static int update_subclasses(PyTypeObject *type, PyObject *name,
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370 update_callback callback, void *data);
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371 static int recurse_down_subclasses(PyTypeObject *type, PyObject *name,
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372 update_callback callback, void *data);
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373
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374 static int
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375 mro_subclasses(PyTypeObject *type, PyObject* temp)
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376 {
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377 PyTypeObject *subclass;
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378 PyObject *ref, *subclasses, *old_mro;
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379 Py_ssize_t i, n;
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380
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381 subclasses = type->tp_subclasses;
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382 if (subclasses == NULL)
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383 return 0;
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384 assert(PyList_Check(subclasses));
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385 n = PyList_GET_SIZE(subclasses);
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386 for (i = 0; i < n; i++) {
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387 ref = PyList_GET_ITEM(subclasses, i);
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388 assert(PyWeakref_CheckRef(ref));
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389 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref);
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390 assert(subclass != NULL);
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391 if ((PyObject *)subclass == Py_None)
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392 continue;
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393 assert(PyType_Check(subclass));
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394 old_mro = subclass->tp_mro;
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395 if (mro_internal(subclass) < 0) {
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396 subclass->tp_mro = old_mro;
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397 return -1;
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398 }
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399 else {
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400 PyObject* tuple;
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401 tuple = PyTuple_Pack(2, subclass, old_mro);
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402 Py_DECREF(old_mro);
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403 if (!tuple)
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404 return -1;
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405 if (PyList_Append(temp, tuple) < 0)
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406 return -1;
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407 Py_DECREF(tuple);
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408 }
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409 if (mro_subclasses(subclass, temp) < 0)
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410 return -1;
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411 }
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412 return 0;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
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413 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
414
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
415 static int
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
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416 type_set_bases(PyTypeObject *type, PyObject *value, void *context)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
417 {
61466
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418 Py_ssize_t i;
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419 int r = 0;
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420 PyObject *ob, *temp;
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421 PyTypeObject *new_base, *old_base;
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422 PyObject *old_bases, *old_mro;
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423
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424 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
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425 PyErr_Format(PyExc_TypeError,
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426 "can't set %s.__bases__", type->tp_name);
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427 return -1;
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428 }
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429 if (!value) {
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430 PyErr_Format(PyExc_TypeError,
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431 "can't delete %s.__bases__", type->tp_name);
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432 return -1;
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433 }
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434 if (!PyTuple_Check(value)) {
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435 PyErr_Format(PyExc_TypeError,
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436 "can only assign tuple to %s.__bases__, not %s",
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437 type->tp_name, Py_TYPE(value)->tp_name);
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438 return -1;
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439 }
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440 if (PyTuple_GET_SIZE(value) == 0) {
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441 PyErr_Format(PyExc_TypeError,
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442 "can only assign non-empty tuple to %s.__bases__, not ()",
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443 type->tp_name);
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444 return -1;
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445 }
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446 for (i = 0; i < PyTuple_GET_SIZE(value); i++) {
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447 ob = PyTuple_GET_ITEM(value, i);
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448 if (!PyType_Check(ob)) {
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449 PyErr_Format(
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450 PyExc_TypeError,
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451 "%s.__bases__ must be tuple of old- or new-style classes, not '%s'",
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452 type->tp_name, Py_TYPE(ob)->tp_name);
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453 return -1;
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454 }
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455 if (PyType_Check(ob)) {
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456 if (PyType_IsSubtype((PyTypeObject*)ob, type)) {
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457 PyErr_SetString(PyExc_TypeError,
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458 "a __bases__ item causes an inheritance cycle");
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459 return -1;
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460 }
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461 }
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462 }
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463
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464 new_base = best_base(value);
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465
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466 if (!new_base) {
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467 return -1;
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468 }
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469
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470 if (!compatible_for_assignment(type->tp_base, new_base, "__bases__"))
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471 return -1;
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472
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473 Py_INCREF(new_base);
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474 Py_INCREF(value);
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475
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476 old_bases = type->tp_bases;
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477 old_base = type->tp_base;
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478 old_mro = type->tp_mro;
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479
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480 type->tp_bases = value;
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481 type->tp_base = new_base;
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482
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483 if (mro_internal(type) < 0) {
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484 goto bail;
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485 }
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486
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487 temp = PyList_New(0);
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488 if (!temp)
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489 goto bail;
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490
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491 r = mro_subclasses(type, temp);
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492
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493 if (r < 0) {
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494 for (i = 0; i < PyList_Size(temp); i++) {
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495 PyTypeObject* cls;
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496 PyObject* mro;
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497 PyArg_UnpackTuple(PyList_GET_ITEM(temp, i),
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498 "", 2, 2, &cls, &mro);
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499 Py_INCREF(mro);
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500 ob = cls->tp_mro;
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501 cls->tp_mro = mro;
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502 Py_DECREF(ob);
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503 }
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504 Py_DECREF(temp);
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505 goto bail;
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506 }
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507
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508 Py_DECREF(temp);
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509
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510 /* any base that was in __bases__ but now isn't, we
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511 need to remove |type| from its tp_subclasses.
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512 conversely, any class now in __bases__ that wasn't
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513 needs to have |type| added to its subclasses. */
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514
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515 /* for now, sod that: just remove from all old_bases,
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516 add to all new_bases */
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517
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518 for (i = PyTuple_GET_SIZE(old_bases) - 1; i >= 0; i--) {
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519 ob = PyTuple_GET_ITEM(old_bases, i);
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520 if (PyType_Check(ob)) {
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521 remove_subclass(
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522 (PyTypeObject*)ob, type);
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523 }
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524 }
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525
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diff changeset
526 for (i = PyTuple_GET_SIZE(value) - 1; i >= 0; i--) {
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diff changeset
527 ob = PyTuple_GET_ITEM(value, i);
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528 if (PyType_Check(ob)) {
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diff changeset
529 if (add_subclass((PyTypeObject*)ob, type) < 0)
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diff changeset
530 r = -1;
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diff changeset
531 }
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532 }
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diff changeset
533
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diff changeset
534 update_all_slots(type);
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diff changeset
535
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diff changeset
536 Py_DECREF(old_bases);
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diff changeset
537 Py_DECREF(old_base);
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diff changeset
538 Py_DECREF(old_mro);
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539
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diff changeset
540 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
541
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
542 bail:
61466
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diff changeset
543 Py_DECREF(type->tp_bases);
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diff changeset
544 Py_DECREF(type->tp_base);
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545 if (type->tp_mro != old_mro) {
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diff changeset
546 Py_DECREF(type->tp_mro);
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diff changeset
547 }
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548
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549 type->tp_bases = old_bases;
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550 type->tp_base = old_base;
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551 type->tp_mro = old_mro;
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552
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553 return -1;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
554 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
555
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
556 static PyObject *
18933
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parents: 18068
diff changeset
557 type_dict(PyTypeObject *type, void *context)
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diff changeset
558 {
61466
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559 if (type->tp_dict == NULL) {
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560 Py_INCREF(Py_None);
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561 return Py_None;
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562 }
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563 return PyDictProxy_New(type->tp_dict);
2080
c21cc7b3ce28 added getattr(), supporting __doc__ and _name__
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
564 }
c21cc7b3ce28 added getattr(), supporting __doc__ and _name__
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
565
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
566 static PyObject *
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
567 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
568 {
61466
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diff changeset
569 PyObject *result;
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570 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE) && type->tp_doc != NULL)
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571 return PyUnicode_FromString(type->tp_doc);
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572 result = PyDict_GetItemString(type->tp_dict, "__doc__");
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573 if (result == NULL) {
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574 result = Py_None;
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575 Py_INCREF(result);
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diff changeset
576 }
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577 else if (Py_TYPE(result)->tp_descr_get) {
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578 result = Py_TYPE(result)->tp_descr_get(result, NULL,
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diff changeset
579 (PyObject *)type);
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580 }
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581 else {
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diff changeset
582 Py_INCREF(result);
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583 }
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584 return result;
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
585 }
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
586
48875
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
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parents: 48660
diff changeset
587 static PyObject *
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Antoine Pitrou <solipsis@pitrou.net>
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588 type___instancecheck__(PyObject *type, PyObject *inst)
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589 {
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590 switch (_PyObject_RealIsInstance(inst, type)) {
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591 case -1:
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592 return NULL;
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593 case 0:
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594 Py_RETURN_FALSE;
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595 default:
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596 Py_RETURN_TRUE;
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597 }
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598 }
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diff changeset
599
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
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parents: 48660
diff changeset
600
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
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diff changeset
601 static PyObject *
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602 type___subclasscheck__(PyObject *type, PyObject *inst)
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603 {
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604 switch (_PyObject_RealIsSubclass(inst, type)) {
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605 case -1:
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606 return NULL;
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607 case 0:
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608 Py_RETURN_FALSE;
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609 default:
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610 Py_RETURN_TRUE;
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611 }
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612 }
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
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diff changeset
613
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
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diff changeset
614
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
615 static PyGetSetDef type_getsets[] = {
61466
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616 {"__name__", (getter)type_name, (setter)type_set_name, NULL},
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617 {"__bases__", (getter)type_get_bases, (setter)type_set_bases, NULL},
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618 {"__module__", (getter)type_module, (setter)type_set_module, NULL},
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diff changeset
619 {"__abstractmethods__", (getter)type_abstractmethods,
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620 (setter)type_set_abstractmethods, NULL},
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621 {"__dict__", (getter)type_dict, NULL, NULL},
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622 {"__doc__", (getter)type_get_doc, NULL, NULL},
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diff changeset
623 {0}
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624 };
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625
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
626 static PyObject *
18933
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diff changeset
627 type_repr(PyTypeObject *type)
6
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
628 {
61466
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629 PyObject *mod, *name, *rtn;
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630
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631 mod = type_module(type, NULL);
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632 if (mod == NULL)
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633 PyErr_Clear();
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634 else if (!PyUnicode_Check(mod)) {
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635 Py_DECREF(mod);
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636 mod = NULL;
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637 }
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638 name = type_name(type, NULL);
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639 if (name == NULL)
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640 return NULL;
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641
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diff changeset
642 if (mod != NULL && PyUnicode_CompareWithASCIIString(mod, "builtins"))
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643 rtn = PyUnicode_FromFormat("<class '%U.%U'>", mod, name);
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644 else
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645 rtn = PyUnicode_FromFormat("<class '%s'>", type->tp_name);
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646
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647 Py_XDECREF(mod);
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diff changeset
648 Py_DECREF(name);
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diff changeset
649 return rtn;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
650 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
651
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diff changeset
652 static PyObject *
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diff changeset
653 type_call(PyTypeObject *type, PyObject *args, PyObject *kwds)
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654 {
61466
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diff changeset
655 PyObject *obj;
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656
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657 if (type->tp_new == NULL) {
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diff changeset
658 PyErr_Format(PyExc_TypeError,
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diff changeset
659 "cannot create '%.100s' instances",
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660 type->tp_name);
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661 return NULL;
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662 }
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663
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664 obj = type->tp_new(type, args, kwds);
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665 if (obj != NULL) {
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666 /* Ugly exception: when the call was type(something),
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667 don't call tp_init on the result. */
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668 if (type == &PyType_Type &&
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669 PyTuple_Check(args) && PyTuple_GET_SIZE(args) == 1 &&
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670 (kwds == NULL ||
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671 (PyDict_Check(kwds) && PyDict_Size(kwds) == 0)))
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672 return obj;
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673 /* If the returned object is not an instance of type,
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674 it won't be initialized. */
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675 if (!PyType_IsSubtype(Py_TYPE(obj), type))
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676 return obj;
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677 type = Py_TYPE(obj);
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678 if (type->tp_init != NULL &&
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679 type->tp_init(obj, args, kwds) < 0) {
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680 Py_DECREF(obj);
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681 obj = NULL;
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682 }
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683 }
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684 return obj;
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685 }
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686
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687 PyObject *
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688 PyType_GenericAlloc(PyTypeObject *type, Py_ssize_t nitems)
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689 {
61466
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690 PyObject *obj;
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691 const size_t size = _PyObject_VAR_SIZE(type, nitems+1);
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692 /* note that we need to add one, for the sentinel */
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693
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694 if (PyType_IS_GC(type))
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695 obj = _PyObject_GC_Malloc(size);
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696 else
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697 obj = (PyObject *)PyObject_MALLOC(size);
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698
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699 if (obj == NULL)
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700 return PyErr_NoMemory();
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701
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702 memset(obj, '\0', size);
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703
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704 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE)
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705 Py_INCREF(type);
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706
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707 if (type->tp_itemsize == 0)
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708 PyObject_INIT(obj, type);
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709 else
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710 (void) PyObject_INIT_VAR((PyVarObject *)obj, type, nitems);
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711
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712 if (PyType_IS_GC(type))
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713 _PyObject_GC_TRACK(obj);
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714 return obj;
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715 }
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716
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717 PyObject *
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718 PyType_GenericNew(PyTypeObject *type, PyObject *args, PyObject *kwds)
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719 {
61466
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720 return type->tp_alloc(type, 0);
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721 }
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722
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diff changeset
723 /* Helpers for subtyping */
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724
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725 static int
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726 traverse_slots(PyTypeObject *type, PyObject *self, visitproc visit, void *arg)
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727 {
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728 Py_ssize_t i, n;
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729 PyMemberDef *mp;
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730
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731 n = Py_SIZE(type);
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732 mp = PyHeapType_GET_MEMBERS((PyHeapTypeObject *)type);
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733 for (i = 0; i < n; i++, mp++) {
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734 if (mp->type == T_OBJECT_EX) {
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735 char *addr = (char *)self + mp->offset;
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736 PyObject *obj = *(PyObject **)addr;
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737 if (obj != NULL) {
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738 int err = visit(obj, arg);
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739 if (err)
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740 return err;
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741 }
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742 }
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743 }
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744 return 0;
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745 }
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746
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
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747 static int
20277
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diff changeset
748 subtype_traverse(PyObject *self, visitproc visit, void *arg)
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parents: 20259
diff changeset
749 {
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750 PyTypeObject *type, *base;
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751 traverseproc basetraverse;
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752
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753 /* Find the nearest base with a different tp_traverse,
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754 and traverse slots while we're at it */
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755 type = Py_TYPE(self);
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756 base = type;
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757 while ((basetraverse = base->tp_traverse) == subtype_traverse) {
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758 if (Py_SIZE(base)) {
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759 int err = traverse_slots(base, self, visit, arg);
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760 if (err)
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761 return err;
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762 }
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763 base = base->tp_base;
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764 assert(base);
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765 }
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766
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767 if (type->tp_dictoffset != base->tp_dictoffset) {
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768 PyObject **dictptr = _PyObject_GetDictPtr(self);
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769 if (dictptr && *dictptr)
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770 Py_VISIT(*dictptr);
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771 }
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772
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773 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE)
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774 /* For a heaptype, the instances count as references
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775 to the type. Traverse the type so the collector
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776 can find cycles involving this link. */
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777 Py_VISIT(type);
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778
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779 if (basetraverse)
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780 return basetraverse(self, visit, arg);
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781 return 0;
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782 }
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783
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diff changeset
784 static void
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
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785 clear_slots(PyTypeObject *type, PyObject *self)
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diff changeset
786 {
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787 Py_ssize_t i, n;
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diff changeset
788 PyMemberDef *mp;
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789
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790 n = Py_SIZE(type);
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791 mp = PyHeapType_GET_MEMBERS((PyHeapTypeObject *)type);
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792 for (i = 0; i < n; i++, mp++) {
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793 if (mp->type == T_OBJECT_EX && !(mp->flags & READONLY)) {
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794 char *addr = (char *)self + mp->offset;
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795 PyObject *obj = *(PyObject **)addr;
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796 if (obj != NULL) {
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797 *(PyObject **)addr = NULL;
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798 Py_DECREF(obj);
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799 }
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800 }
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801 }
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
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802 }
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803
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804 static int
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805 subtype_clear(PyObject *self)
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806 {
61466
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807 PyTypeObject *type, *base;
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808 inquiry baseclear;
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809
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810 /* Find the nearest base with a different tp_clear
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811 and clear slots while we're at it */
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812 type = Py_TYPE(self);
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813 base = type;
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814 while ((baseclear = base->tp_clear) == subtype_clear) {
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815 if (Py_SIZE(base))
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816 clear_slots(base, self);
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817 base = base->tp_base;
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818 assert(base);
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819 }
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820
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821 /* There's no need to clear the instance dict (if any);
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822 the collector will call its tp_clear handler. */
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823
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824 if (baseclear)
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825 return baseclear(self);
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826 return 0;
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
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827 }
18933
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828
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829 static void
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830 subtype_dealloc(PyObject *self)
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831 {
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832 PyTypeObject *type, *base;
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833 destructor basedealloc;
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834
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835 /* Extract the type; we expect it to be a heap type */
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836 type = Py_TYPE(self);
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837 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
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838
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839 /* Test whether the type has GC exactly once */
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840
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841 if (!PyType_IS_GC(type)) {
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842 /* It's really rare to find a dynamic type that doesn't have
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843 GC; it can only happen when deriving from 'object' and not
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844 adding any slots or instance variables. This allows
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845 certain simplifications: there's no need to call
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846 clear_slots(), or DECREF the dict, or clear weakrefs. */
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847
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848 /* Maybe call finalizer; exit early if resurrected */
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849 if (type->tp_del) {
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850 type->tp_del(self);
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851 if (self->ob_refcnt > 0)
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852 return;
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853 }
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854
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855 /* Find the nearest base with a different tp_dealloc */
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856 base = type;
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857 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
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858 assert(Py_SIZE(base) == 0);
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859 base = base->tp_base;
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860 assert(base);
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861 }
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862
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863 /* Extract the type again; tp_del may have changed it */
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864 type = Py_TYPE(self);
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865
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866 /* Call the base tp_dealloc() */
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867 assert(basedealloc);
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868 basedealloc(self);
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869
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870 /* Can't reference self beyond this point */
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871 Py_DECREF(type);
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872
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873 /* Done */
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874 return;
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875 }
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876
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877 /* We get here only if the type has GC */
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878
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879 /* UnTrack and re-Track around the trashcan macro, alas */
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880 /* See explanation at end of function for full disclosure */
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881 PyObject_GC_UnTrack(self);
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882 ++_PyTrash_delete_nesting;
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883 Py_TRASHCAN_SAFE_BEGIN(self);
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884 --_PyTrash_delete_nesting;
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885 /* DO NOT restore GC tracking at this point. weakref callbacks
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886 * (if any, and whether directly here or indirectly in something we
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887 * call) may trigger GC, and if self is tracked at that point, it
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888 * will look like trash to GC and GC will try to delete self again.
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889 */
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890
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891 /* Find the nearest base with a different tp_dealloc */
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892 base = type;
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893 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
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894 base = base->tp_base;
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895 assert(base);
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896 }
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897
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898 /* If we added a weaklist, we clear it. Do this *before* calling
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899 the finalizer (__del__), clearing slots, or clearing the instance
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900 dict. */
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901
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902 if (type->tp_weaklistoffset && !base->tp_weaklistoffset)
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903 PyObject_ClearWeakRefs(self);
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904
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905 /* Maybe call finalizer; exit early if resurrected */
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906 if (type->tp_del) {
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907 _PyObject_GC_TRACK(self);
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908 type->tp_del(self);
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909 if (self->ob_refcnt > 0)
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910 goto endlabel; /* resurrected */
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911 else
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912 _PyObject_GC_UNTRACK(self);
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913 /* New weakrefs could be created during the finalizer call.
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914 If this occurs, clear them out without calling their
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915 finalizers since they might rely on part of the object
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916 being finalized that has already been destroyed. */
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917 if (type->tp_weaklistoffset && !base->tp_weaklistoffset) {
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918 /* Modeled after GET_WEAKREFS_LISTPTR() */
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919 PyWeakReference **list = (PyWeakReference **) \
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920 PyObject_GET_WEAKREFS_LISTPTR(self);
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921 while (*list)
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922 _PyWeakref_ClearRef(*list);
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923 }
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924 }
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925
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926 /* Clear slots up to the nearest base with a different tp_dealloc */
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927 base = type;
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928 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
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929 if (Py_SIZE(base))
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930 clear_slots(base, self);
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931 base = base->tp_base;
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932 assert(base);
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933 }
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934
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935 /* If we added a dict, DECREF it */
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936 if (type->tp_dictoffset && !base->tp_dictoffset) {
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937 PyObject **dictptr = _PyObject_GetDictPtr(self);
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938 if (dictptr != NULL) {
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939 PyObject *dict = *dictptr;
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940 if (dict != NULL) {
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941 Py_DECREF(dict);
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942 *dictptr = NULL;
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943 }
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944 }
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945 }
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946
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947 /* Extract the type again; tp_del may have changed it */
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948 type = Py_TYPE(self);
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949
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950 /* Call the base tp_dealloc(); first retrack self if
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951 * basedealloc knows about gc.
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952 */
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953 if (PyType_IS_GC(base))
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954 _PyObject_GC_TRACK(self);
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955 assert(basedealloc);
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956 basedealloc(self);
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957
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958 /* Can't reference self beyond this point */
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959 Py_DECREF(type);
24614
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960
24653
1ab27c1770df Fix a subtle bug in the trashcan code I added yesterday to
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961 endlabel:
61466
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962 ++_PyTrash_delete_nesting;
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963 Py_TRASHCAN_SAFE_END(self);
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964 --_PyTrash_delete_nesting;
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965
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966 /* Explanation of the weirdness around the trashcan macros:
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967
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968 Q. What do the trashcan macros do?
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969
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970 A. Read the comment titled "Trashcan mechanism" in object.h.
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971 For one, this explains why there must be a call to GC-untrack
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972 before the trashcan begin macro. Without understanding the
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973 trashcan code, the answers to the following questions don't make
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974 sense.
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975
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976 Q. Why do we GC-untrack before the trashcan and then immediately
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977 GC-track again afterward?
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978
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979 A. In the case that the base class is GC-aware, the base class
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980 probably GC-untracks the object. If it does that using the
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981 UNTRACK macro, this will crash when the object is already
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982 untracked. Because we don't know what the base class does, the
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983 only safe thing is to make sure the object is tracked when we
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984 call the base class dealloc. But... The trashcan begin macro
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985 requires that the object is *untracked* before it is called. So
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986 the dance becomes:
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987
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988 GC untrack
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989 trashcan begin
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990 GC track
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991
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992 Q. Why did the last question say "immediately GC-track again"?
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993 It's nowhere near immediately.
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994
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995 A. Because the code *used* to re-track immediately. Bad Idea.
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996 self has a refcount of 0, and if gc ever gets its hands on it
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997 (which can happen if any weakref callback gets invoked), it
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998 looks like trash to gc too, and gc also tries to delete self
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999 then. But we're already deleting self. Double dealloction is
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1000 a subtle disaster.
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1001
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1002 Q. Why the bizarre (net-zero) manipulation of
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1003 _PyTrash_delete_nesting around the trashcan macros?
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1004
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1005 A. Some base classes (e.g. list) also use the trashcan mechanism.
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1006 The following scenario used to be possible:
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1007
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1008 - suppose the trashcan level is one below the trashcan limit
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1009
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1010 - subtype_dealloc() is called
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1011
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1012 - the trashcan limit is not yet reached, so the trashcan level
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1013 is incremented and the code between trashcan begin and end is
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1014 executed
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1015
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1016 - this destroys much of the object's contents, including its
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1017 slots and __dict__
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1018
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1019 - basedealloc() is called; this is really list_dealloc(), or
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1020 some other type which also uses the trashcan macros
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1021
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1022 - the trashcan limit is now reached, so the object is put on the
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1023 trashcan's to-be-deleted-later list
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1024
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1025 - basedealloc() returns
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1026
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1027 - subtype_dealloc() decrefs the object's type
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1028
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1029 - subtype_dealloc() returns
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1030
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1031 - later, the trashcan code starts deleting the objects from its
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1032 to-be-deleted-later list
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1033
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1034 - subtype_dealloc() is called *AGAIN* for the same object
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1035
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1036 - at the very least (if the destroyed slots and __dict__ don't
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1037 cause problems) the object's type gets decref'ed a second
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1038 time, which is *BAD*!!!
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1039
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1040 The remedy is to make sure that if the code between trashcan
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1041 begin and end in subtype_dealloc() is called, the code between
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1042 trashcan begin and end in basedealloc() will also be called.
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1043 This is done by decrementing the level after passing into the
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1044 trashcan block, and incrementing it just before leaving the
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1045 block.
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1046
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1047 But now it's possible that a chain of objects consisting solely
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1048 of objects whose deallocator is subtype_dealloc() will defeat
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1049 the trashcan mechanism completely: the decremented level means
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1050 that the effective level never reaches the limit. Therefore, we
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1051 *increment* the level *before* entering the trashcan block, and
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1052 matchingly decrement it after leaving. This means the trashcan
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1053 code will trigger a little early, but that's no big deal.
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1054
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1055 Q. Are there any live examples of code in need of all this
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1056 complexity?
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1057
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1058 A. Yes. See SF bug 668433 for code that crashed (when Python was
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1059 compiled in debug mode) before the trashcan level manipulations
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1060 were added. For more discussion, see SF patches 581742, 575073
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diff changeset
1061 and bug 574207.
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1062 */
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diff changeset
1063 }
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diff changeset
1064
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1065 static PyTypeObject *solid_base(PyTypeObject *type);
18933
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diff changeset
1066
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diff changeset
1067 /* type test with subclassing support */
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diff changeset
1068
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diff changeset
1069 int
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diff changeset
1070 PyType_IsSubtype(PyTypeObject *a, PyTypeObject *b)
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diff changeset
1071 {
61466
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1072 PyObject *mro;
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1073
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1074 mro = a->tp_mro;
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1075 if (mro != NULL) {
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diff changeset
1076 /* Deal with multiple inheritance without recursion
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diff changeset
1077 by walking the MRO tuple */
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diff changeset
1078 Py_ssize_t i, n;
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diff changeset
1079 assert(PyTuple_Check(mro));
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diff changeset
1080 n = PyTuple_GET_SIZE(mro);
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diff changeset
1081 for (i = 0; i < n; i++) {
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diff changeset
1082 if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
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1083 return 1;
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1084 }
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1085 return 0;
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1086 }
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1087 else {
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1088 /* a is not completely initilized yet; follow tp_base */
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1089 do {
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1090 if (a == b)
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1091 return 1;
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1092 a = a->tp_base;
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1093 } while (a != NULL);
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1094 return b == &PyBaseObject_Type;
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1095 }
18933
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1096 }
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1097
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diff changeset
1098 /* 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,
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diff changeset
1099 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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diff changeset
1100 (so we can't use PyObject_GetAttr) but still binding
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1101 it to the instance. The arguments are the object,
19535
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1102 the method name as a C string, and the address of a
19913
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1103 static variable used to cache the interned Python string.
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
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1104
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1105 Two variants:
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
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diff changeset
1106
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1107 - lookup_maybe() returns NULL without raising an exception
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
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diff changeset
1108 when the _PyType_Lookup() call fails;
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diff changeset
1109
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1110 - lookup_method() always raises an exception upon errors.
53905
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1111
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1112 - _PyObject_LookupSpecial() exported for the benefit of other places.
19913
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1113 */
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diff changeset
1114
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1115 static PyObject *
19913
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diff changeset
1116 lookup_maybe(PyObject *self, char *attrstr, PyObject **attrobj)
19535
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1117 {
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1118 PyObject *res;
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1119
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1120 if (*attrobj == NULL) {
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1121 *attrobj = PyUnicode_InternFromString(attrstr);
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1122 if (*attrobj == NULL)
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1123 return NULL;
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1124 }
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1125 res = _PyType_Lookup(Py_TYPE(self), *attrobj);
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1126 if (res != NULL) {
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1127 descrgetfunc f;
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1128 if ((f = Py_TYPE(res)->tp_descr_get) == NULL)
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1129 Py_INCREF(res);
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1130 else
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1131 res = f(res, self, (PyObject *)(Py_TYPE(self)));
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1132 }
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1133 return res;
19535
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1134 }
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Guido van Rossum <guido@python.org>
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1135
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1136 static PyObject *
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diff changeset
1137 lookup_method(PyObject *self, char *attrstr, PyObject **attrobj)
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
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1138 {
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1139 PyObject *res = lookup_maybe(self, attrstr, attrobj);
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1140 if (res == NULL && !PyErr_Occurred())
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1141 PyErr_SetObject(PyExc_AttributeError, *attrobj);
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1142 return res;
19913
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1143 }
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1144
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1145 PyObject *
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1146 _PyObject_LookupSpecial(PyObject *self, char *attrstr, PyObject **attrobj)
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1147 {
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1148 return lookup_maybe(self, attrstr, attrobj);
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1149 }
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1150
19538
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1151 /* A variation of PyObject_CallMethod that uses lookup_method()
61466
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1152 instead of PyObject_GetAttrString(). This uses the same convention
19538
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diff changeset
1153 as lookup_method to cache the interned name string object. */
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1154
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Neil Schemenauer <nascheme@enme.ucalgary.ca>
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1155 static PyObject *
19538
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1156 call_method(PyObject *o, char *name, PyObject **nameobj, char *format, ...)
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1157 {
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1158 va_list va;
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1159 PyObject *args, *func = 0, *retval;
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1160 va_start(va, format);
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1161
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1162 func = lookup_maybe(o, name, nameobj);
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1163 if (func == NULL) {
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1164 va_end(va);
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1165 if (!PyErr_Occurred())
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1166 PyErr_SetObject(PyExc_AttributeError, *nameobj);
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1167 return NULL;
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1168 }
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1169
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1170 if (format && *format)
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1171 args = Py_VaBuildValue(format, va);
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1172 else
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1173 args = PyTuple_New(0);
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1174
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1175 va_end(va);
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1176
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1177 if (args == NULL)
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1178 return NULL;
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1179
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1180 assert(PyTuple_Check(args));
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1181 retval = PyObject_Call(func, args, NULL);
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1182
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1183 Py_DECREF(args);
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1184 Py_DECREF(func);
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1185
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1186 return retval;
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1187 }
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1188
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1189 /* Clone of call_method() that returns NotImplemented when the lookup fails. */
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1190
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Neil Schemenauer <nascheme@enme.ucalgary.ca>
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1191 static PyObject *
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diff changeset
1192 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
1193 {
61466
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diff changeset
1194 va_list va;
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diff changeset
1195 PyObject *args, *func = 0, *retval;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1196 va_start(va, format);
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parents: 59538
diff changeset
1197
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parents: 59538
diff changeset
1198 func = lookup_maybe(o, name, nameobj);
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parents: 59538
diff changeset
1199 if (func == NULL) {
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diff changeset
1200 va_end(va);
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diff changeset
1201 if (!PyErr_Occurred()) {
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parents: 59538
diff changeset
1202 Py_INCREF(Py_NotImplemented);
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parents: 59538
diff changeset
1203 return Py_NotImplemented;
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parents: 59538
diff changeset
1204 }
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diff changeset
1205 return NULL;
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parents: 59538
diff changeset
1206 }
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parents: 59538
diff changeset
1207
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parents: 59538
diff changeset
1208 if (format && *format)
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parents: 59538
diff changeset
1209 args = Py_VaBuildValue(format, va);
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parents: 59538
diff changeset
1210 else
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diff changeset
1211 args = PyTuple_New(0);
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parents: 59538
diff changeset
1212
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parents: 59538
diff changeset
1213 va_end(va);
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parents: 59538
diff changeset
1214
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parents: 59538
diff changeset
1215 if (args == NULL)
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parents: 59538
diff changeset
1216 return NULL;
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parents: 59538
diff changeset
1217
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parents: 59538
diff changeset
1218 assert(PyTuple_Check(args));
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parents: 59538
diff changeset
1219 retval = PyObject_Call(func, args, NULL);
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parents: 59538
diff changeset
1220
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parents: 59538
diff changeset
1221 Py_DECREF(args);
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parents: 59538
diff changeset
1222 Py_DECREF(func);
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parents: 59538
diff changeset
1223
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parents: 59538
diff changeset
1224 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
1225 }
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1226
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1227 /*
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1228 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
1229 "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
1230 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
1231 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
1232 (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
1233
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1234 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
1235
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1236 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
1237 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
1238
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1239 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
1240
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1241 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
1242 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
1243 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
1244
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1245 Monotonicity.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1246 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
1247 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
1248
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1249 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
1250 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
1251 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
1252 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
1253 */
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1254
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1255 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
1256 tail_contains(PyObject *list, int whence, PyObject *o) {
61466
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parents: 59538
diff changeset
1257 Py_ssize_t j, size;
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parents: 59538
diff changeset
1258 size = PyList_GET_SIZE(list);
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diff changeset
1259
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diff changeset
1260 for (j = whence+1; j < size; j++) {
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parents: 59538
diff changeset
1261 if (PyList_GET_ITEM(list, j) == o)
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diff changeset
1262 return 1;
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diff changeset
1263 }
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diff changeset
1264 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
1265 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1266
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1267 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
1268 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
1269 {
61466
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diff changeset
1270 PyObject *name = PyObject_GetAttrString(cls, "__name__");
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parents: 59538
diff changeset
1271 if (name == NULL) {
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parents: 59538
diff changeset
1272 PyErr_Clear();
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diff changeset
1273 Py_XDECREF(name);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1274 name = PyObject_Repr(cls);
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parents: 59538
diff changeset
1275 }
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diff changeset
1276 if (name == NULL)
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diff changeset
1277 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1278 if (!PyUnicode_Check(name)) {
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parents: 59538
diff changeset
1279 Py_DECREF(name);
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diff changeset
1280 return NULL;
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diff changeset
1281 }
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diff changeset
1282 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
1283 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1284
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1285 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
1286 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
1287 {
61466
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diff changeset
1288 Py_ssize_t i, j, n;
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parents: 59538
diff changeset
1289 /* Let's use a quadratic time algorithm,
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parents: 59538
diff changeset
1290 assuming that the bases lists is short.
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diff changeset
1291 */
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diff changeset
1292 n = PyList_GET_SIZE(list);
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parents: 59538
diff changeset
1293 for (i = 0; i < n; i++) {
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parents: 59538
diff changeset
1294 PyObject *o = PyList_GET_ITEM(list, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1295 for (j = i + 1; j < n; j++) {
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parents: 59538
diff changeset
1296 if (PyList_GET_ITEM(list, j) == o) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1297 o = class_name(o);
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parents: 59538
diff changeset
1298 if (o != NULL) {
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parents: 59538
diff changeset
1299 PyErr_Format(PyExc_TypeError,
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parents: 59538
diff changeset
1300 "duplicate base class %U",
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diff changeset
1301 o);
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diff changeset
1302 Py_DECREF(o);
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1303 } else {
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diff changeset
1304 PyErr_SetString(PyExc_TypeError,
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diff changeset
1305 "duplicate base class");
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diff changeset
1306 }
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diff changeset
1307 return -1;
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diff changeset
1308 }
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diff changeset
1309 }
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diff changeset
1310 }
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diff changeset
1311 return 0;
26410
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Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1312 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1313
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1314 /* 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
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 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
1317 insight into error reporting, report the classes that were candidates
61466
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diff changeset
1318 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
1319 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
1320 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
1321 */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1322
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1323 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
1324 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
1325 {
61466
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diff changeset
1326 Py_ssize_t i, n, off, to_merge_size;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
1327 char buf[1000];
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diff changeset
1328 PyObject *k, *v;
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diff changeset
1329 PyObject *set = PyDict_New();
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diff changeset
1330 if (!set) return;
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diff changeset
1331
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diff changeset
1332 to_merge_size = PyList_GET_SIZE(to_merge);
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diff changeset
1333 for (i = 0; i < to_merge_size; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
1334 PyObject *L = PyList_GET_ITEM(to_merge, i);
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diff changeset
1335 if (remain[i] < PyList_GET_SIZE(L)) {
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parents: 59538
diff changeset
1336 PyObject *c = PyList_GET_ITEM(L, remain[i]);
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parents: 59538
diff changeset
1337 if (PyDict_SetItem(set, c, Py_None) < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1338 Py_DECREF(set);
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diff changeset
1339 return;
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parents: 59538
diff changeset
1340 }
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diff changeset
1341 }
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parents: 59538
diff changeset
1342 }
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diff changeset
1343 n = PyDict_Size(set);
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diff changeset
1344
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parents: 59538
diff changeset
1345 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
1346 consistent method resolution\norder (MRO) for bases");
61466
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diff changeset
1347 i = 0;
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diff changeset
1348 while (PyDict_Next(set, &i, &k, &v) && (size_t)off < sizeof(buf)) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1349 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
1350 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
1351 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
1352 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
1353 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
1354 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
1355 } else
61722
7dcd1a269797 Ooops, add missing ";" in my previous commit (r81324, typeobject.c)
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61721
diff changeset
1356 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
1357 off += PyOS_snprintf(buf + off, sizeof(buf) - off, " %s", name_str);
61466
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diff changeset
1358 Py_XDECREF(name);
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diff changeset
1359 if (--n && (size_t)(off+1) < sizeof(buf)) {
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diff changeset
1360 buf[off++] = ',';
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diff changeset
1361 buf[off] = '\0';
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diff changeset
1362 }
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diff changeset
1363 }
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diff changeset
1364 PyErr_SetString(PyExc_TypeError, buf);
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diff changeset
1365 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
1366 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1367
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1368 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
1369 pmerge(PyObject *acc, PyObject* to_merge) {
61466
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diff changeset
1370 Py_ssize_t i, j, to_merge_size, empty_cnt;
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diff changeset
1371 int *remain;
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diff changeset
1372 int ok;
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diff changeset
1373
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diff changeset
1374 to_merge_size = PyList_GET_SIZE(to_merge);
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diff changeset
1375
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diff changeset
1376 /* remain stores an index into each sublist of to_merge.
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diff changeset
1377 remain[i] is the index of the next base in to_merge[i]
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diff changeset
1378 that is not included in acc.
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diff changeset
1379 */
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1380 remain = (int *)PyMem_MALLOC(SIZEOF_INT*to_merge_size);
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1381 if (remain == NULL)
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1382 return -1;
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1383 for (i = 0; i < to_merge_size; i++)
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diff changeset
1384 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
1385
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1386 again:
61466
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1387 empty_cnt = 0;
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1388 for (i = 0; i < to_merge_size; i++) {
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diff changeset
1389 PyObject *candidate;
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diff changeset
1390
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diff changeset
1391 PyObject *cur_list = PyList_GET_ITEM(to_merge, i);
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diff changeset
1392
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diff changeset
1393 if (remain[i] >= PyList_GET_SIZE(cur_list)) {
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diff changeset
1394 empty_cnt++;
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diff changeset
1395 continue;
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1396 }
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diff changeset
1397
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1398 /* Choose next candidate for MRO.
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diff changeset
1399
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1400 The input sequences alone can determine the choice.
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diff changeset
1401 If not, choose the class which appears in the MRO
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diff changeset
1402 of the earliest direct superclass of the new class.
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1403 */
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1404
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1405 candidate = PyList_GET_ITEM(cur_list, remain[i]);
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1406 for (j = 0; j < to_merge_size; j++) {
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diff changeset
1407 PyObject *j_lst = PyList_GET_ITEM(to_merge, j);
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diff changeset
1408 if (tail_contains(j_lst, remain[j], candidate)) {
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diff changeset
1409 goto skip; /* continue outer loop */
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1410 }
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1411 }
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1412 ok = PyList_Append(acc, candidate);
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diff changeset
1413 if (ok < 0) {
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diff changeset
1414 PyMem_Free(remain);
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diff changeset
1415 return -1;
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1416 }
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1417 for (j = 0; j < to_merge_size; j++) {
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diff changeset
1418 PyObject *j_lst = PyList_GET_ITEM(to_merge, j);
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diff changeset
1419 if (remain[j] < PyList_GET_SIZE(j_lst) &&
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diff changeset
1420 PyList_GET_ITEM(j_lst, remain[j]) == candidate) {
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diff changeset
1421 remain[j]++;
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1422 }
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1423 }
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diff changeset
1424 goto again;
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diff changeset
1425 skip: ;
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diff changeset
1426 }
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diff changeset
1427
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diff changeset
1428 if (empty_cnt == to_merge_size) {
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1429 PyMem_FREE(remain);
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1430 return 0;
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1431 }
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diff changeset
1432 set_mro_error(to_merge, remain);
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diff changeset
1433 PyMem_FREE(remain);
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diff changeset
1434 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
1435 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1436
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1437 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1438 mro_implementation(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1439 {
61466
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1440 Py_ssize_t i, n;
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1441 int ok;
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1442 PyObject *bases, *result;
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diff changeset
1443 PyObject *to_merge, *bases_aslist;
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diff changeset
1444
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diff changeset
1445 if (type->tp_dict == NULL) {
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diff changeset
1446 if (PyType_Ready(type) < 0)
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1447 return NULL;
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1448 }
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1449
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1450 /* Find a superclass linearization that honors the constraints
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diff changeset
1451 of the explicit lists of bases and the constraints implied by
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diff changeset
1452 each base class.
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diff changeset
1453
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diff changeset
1454 to_merge is a list of lists, where each list is a superclass
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parents: 59538
diff changeset
1455 linearization implied by a base class. The last element of
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1456 to_merge is the declared list of bases.
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parents: 59538
diff changeset
1457 */
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parents: 59538
diff changeset
1458
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parents: 59538
diff changeset
1459 bases = type->tp_bases;
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parents: 59538
diff changeset
1460 n = PyTuple_GET_SIZE(bases);
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parents: 59538
diff changeset
1461
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diff changeset
1462 to_merge = PyList_New(n+1);
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parents: 59538
diff changeset
1463 if (to_merge == NULL)
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parents: 59538
diff changeset
1464 return NULL;
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diff changeset
1465
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diff changeset
1466 for (i = 0; i < n; i++) {
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parents: 59538
diff changeset
1467 PyObject *base = PyTuple_GET_ITEM(bases, i);
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parents: 59538
diff changeset
1468 PyObject *parentMRO;
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parents: 59538
diff changeset
1469 parentMRO = PySequence_List(((PyTypeObject*)base)->tp_mro);
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parents: 59538
diff changeset
1470 if (parentMRO == NULL) {
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parents: 59538
diff changeset
1471 Py_DECREF(to_merge);
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parents: 59538
diff changeset
1472 return NULL;
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parents: 59538
diff changeset
1473 }
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diff changeset
1474
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parents: 59538
diff changeset
1475 PyList_SET_ITEM(to_merge, i, parentMRO);
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parents: 59538
diff changeset
1476 }
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diff changeset
1477
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diff changeset
1478 bases_aslist = PySequence_List(bases);
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parents: 59538
diff changeset
1479 if (bases_aslist == NULL) {
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diff changeset
1480 Py_DECREF(to_merge);
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diff changeset
1481 return NULL;
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diff changeset
1482 }
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parents: 59538
diff changeset
1483 /* This is just a basic sanity check. */
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parents: 59538
diff changeset
1484 if (check_duplicates(bases_aslist) < 0) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1485 Py_DECREF(to_merge);
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diff changeset
1486 Py_DECREF(bases_aslist);
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parents: 59538
diff changeset
1487 return NULL;
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parents: 59538
diff changeset
1488 }
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parents: 59538
diff changeset
1489 PyList_SET_ITEM(to_merge, n, bases_aslist);
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parents: 59538
diff changeset
1490
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parents: 59538
diff changeset
1491 result = Py_BuildValue("[O]", (PyObject *)type);
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parents: 59538
diff changeset
1492 if (result == NULL) {
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parents: 59538
diff changeset
1493 Py_DECREF(to_merge);
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diff changeset
1494 return NULL;
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diff changeset
1495 }
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diff changeset
1496
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parents: 59538
diff changeset
1497 ok = pmerge(result, to_merge);
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diff changeset
1498 Py_DECREF(to_merge);
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parents: 59538
diff changeset
1499 if (ok < 0) {
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diff changeset
1500 Py_DECREF(result);
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diff changeset
1501 return NULL;
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diff changeset
1502 }
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diff changeset
1503
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diff changeset
1504 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1505 }
09df3254b49d Merge of descr-branch back into trunk.
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diff changeset
1506
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1507 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
1508 mro_external(PyObject *self)
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1509 {
61466
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diff changeset
1510 PyTypeObject *type = (PyTypeObject *)self;
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diff changeset
1511
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diff changeset
1512 return mro_implementation(type);
18933
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parents: 18068
diff changeset
1513 }
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parents: 18068
diff changeset
1514
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1515 static int
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parents: 18068
diff changeset
1516 mro_internal(PyTypeObject *type)
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diff changeset
1517 {
61466
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diff changeset
1518 PyObject *mro, *result, *tuple;
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parents: 59538
diff changeset
1519 int checkit = 0;
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diff changeset
1520
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diff changeset
1521 if (Py_TYPE(type) == &PyType_Type) {
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parents: 59538
diff changeset
1522 result = mro_implementation(type);
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parents: 59538
diff changeset
1523 }
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diff changeset
1524 else {
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parents: 59538
diff changeset
1525 static PyObject *mro_str;
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parents: 59538
diff changeset
1526 checkit = 1;
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parents: 59538
diff changeset
1527 mro = lookup_method((PyObject *)type, "mro", &mro_str);
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parents: 59538
diff changeset
1528 if (mro == NULL)
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parents: 59538
diff changeset
1529 return -1;
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parents: 59538
diff changeset
1530 result = PyObject_CallObject(mro, NULL);
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parents: 59538
diff changeset
1531 Py_DECREF(mro);
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parents: 59538
diff changeset
1532 }
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parents: 59538
diff changeset
1533 if (result == NULL)
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diff changeset
1534 return -1;
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parents: 59538
diff changeset
1535 tuple = PySequence_Tuple(result);
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parents: 59538
diff changeset
1536 Py_DECREF(result);
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parents: 59538
diff changeset
1537 if (tuple == NULL)
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diff changeset
1538 return -1;
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parents: 59538
diff changeset
1539 if (checkit) {
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parents: 59538
diff changeset
1540 Py_ssize_t i, len;
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parents: 59538
diff changeset
1541 PyObject *cls;
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diff changeset
1542 PyTypeObject *solid;
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parents: 59538
diff changeset
1543
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diff changeset
1544 solid = solid_base(type);
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parents: 59538
diff changeset
1545
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parents: 59538
diff changeset
1546 len = PyTuple_GET_SIZE(tuple);
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parents: 59538
diff changeset
1547
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parents: 59538
diff changeset
1548 for (i = 0; i < len; i++) {
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parents: 59538
diff changeset
1549 PyTypeObject *t;
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diff changeset
1550 cls = PyTuple_GET_ITEM(tuple, i);
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parents: 59538
diff changeset
1551 if (!PyType_Check(cls)) {
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parents: 59538
diff changeset
1552 PyErr_Format(PyExc_TypeError,
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parents: 59538
diff changeset
1553 "mro() returned a non-class ('%.500s')",
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1554 Py_TYPE(cls)->tp_name);
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parents: 59538
diff changeset
1555 Py_DECREF(tuple);
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diff changeset
1556 return -1;
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parents: 59538
diff changeset
1557 }
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diff changeset
1558 t = (PyTypeObject*)cls;
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parents: 59538
diff changeset
1559 if (!PyType_IsSubtype(solid, solid_base(t))) {
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parents: 59538
diff changeset
1560 PyErr_Format(PyExc_TypeError,
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parents: 59538
diff changeset
1561 "mro() returned base with unsuitable layout ('%.500s')",
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1562 t->tp_name);
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parents: 59538
diff changeset
1563 Py_DECREF(tuple);
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parents: 59538
diff changeset
1564 return -1;
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parents: 59538
diff changeset
1565 }
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parents: 59538
diff changeset
1566 }
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parents: 59538
diff changeset
1567 }
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parents: 59538
diff changeset
1568 type->tp_mro = tuple;
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parents: 59538
diff changeset
1569
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diff changeset
1570 type_mro_modified(type, type->tp_mro);
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parents: 59538
diff changeset
1571 /* corner case: the old-style super class might have been hidden
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parents: 59538
diff changeset
1572 from the custom MRO */
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parents: 59538
diff changeset
1573 type_mro_modified(type, type->tp_bases);
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parents: 59538
diff changeset
1574
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parents: 59538
diff changeset
1575 PyType_Modified(type);
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parents: 59538
diff changeset
1576
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diff changeset
1577 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1578 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1579
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1580
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1581 /* Calculate the best base amongst multiple base classes.
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1582 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
1583
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1584 static PyTypeObject *
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1585 best_base(PyObject *bases)
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1586 {
61466
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parents: 59538
diff changeset
1587 Py_ssize_t i, n;
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parents: 59538
diff changeset
1588 PyTypeObject *base, *winner, *candidate, *base_i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1589 PyObject *base_proto;
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parents: 59538
diff changeset
1590
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1591 assert(PyTuple_Check(bases));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1592 n = PyTuple_GET_SIZE(bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1593 assert(n > 0);
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parents: 59538
diff changeset
1594 base = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1595 winner = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1596 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1597 base_proto = PyTuple_GET_ITEM(bases, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1598 if (!PyType_Check(base_proto)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1599 PyErr_SetString(
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1600 PyExc_TypeError,
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parents: 59538
diff changeset
1601 "bases must be types");
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1602 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1603 }
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parents: 59538
diff changeset
1604 base_i = (PyTypeObject *)base_proto;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1605 if (base_i->tp_dict == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1606 if (PyType_Ready(base_i) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1607 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1608 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1609 candidate = solid_base(base_i);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1610 if (winner == NULL) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1611 winner = candidate;
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parents: 59538
diff changeset
1612 base = base_i;
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parents: 59538
diff changeset
1613 }
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parents: 59538
diff changeset
1614 else if (PyType_IsSubtype(winner, candidate))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1615 ;
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parents: 59538
diff changeset
1616 else if (PyType_IsSubtype(candidate, winner)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1617 winner = candidate;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1618 base = base_i;
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parents: 59538
diff changeset
1619 }
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parents: 59538
diff changeset
1620 else {
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parents: 59538
diff changeset
1621 PyErr_SetString(
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diff changeset
1622 PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1623 "multiple bases have "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1624 "instance lay-out conflict");
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1625 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1626 }
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parents: 59538
diff changeset
1627 }
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parents: 59538
diff changeset
1628 if (base == NULL)
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parents: 59538
diff changeset
1629 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1630 "a new-style class can't have only classic bases");
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1631 return base;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1632 }
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Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1633
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1634 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1635 extra_ivars(PyTypeObject *type, PyTypeObject *base)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1636 {
61466
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parents: 59538
diff changeset
1637 size_t t_size = type->tp_basicsize;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1638 size_t b_size = base->tp_basicsize;
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parents: 59538
diff changeset
1639
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parents: 59538
diff changeset
1640 assert(t_size >= b_size); /* Else type smaller than base! */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1641 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
1642 /* If itemsize is involved, stricter rules */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1643 return t_size != b_size ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1644 type->tp_itemsize != base->tp_itemsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1645 }
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parents: 59538
diff changeset
1646 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
1647 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
1648 type->tp_flags & Py_TPFLAGS_HEAPTYPE)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1649 t_size -= sizeof(PyObject *);
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parents: 59538
diff changeset
1650 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
1651 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
1652 type->tp_flags & Py_TPFLAGS_HEAPTYPE)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1653 t_size -= sizeof(PyObject *);
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parents: 59538
diff changeset
1654
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1655 return t_size != b_size;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1656 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1657
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1658 static PyTypeObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1659 solid_base(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1660 {
61466
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parents: 59538
diff changeset
1661 PyTypeObject *base;
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parents: 59538
diff changeset
1662
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parents: 59538
diff changeset
1663 if (type->tp_base)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1664 base = solid_base(type->tp_base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1665 else
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1666 base = &PyBaseObject_Type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1667 if (extra_ivars(type, base))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1668 return type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1669 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1670 return base;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1671 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1672
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1673 static void object_dealloc(PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1674 static int object_init(PyObject *, PyObject *, PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1675 static int update_slot(PyTypeObject *, PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1676 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
1677
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1678 /*
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1679 * 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
1680 * 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
1681 * 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
1682 */
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1683 static PyTypeObject *
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1684 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
1685 {
61466
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parents: 59538
diff changeset
1686 while (type->tp_base != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1687 if (type->tp_dictoffset != 0 &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1688 !(type->tp_flags & Py_TPFLAGS_HEAPTYPE))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1689 return type;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1690 type = type->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1691 }
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parents: 59538
diff changeset
1692 return NULL;
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1693 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1694
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1695 static PyObject *
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1696 get_dict_descriptor(PyTypeObject *type)
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1697 {
61466
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parents: 59538
diff changeset
1698 static PyObject *dict_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1699 PyObject *descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1700
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1701 if (dict_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1702 dict_str = PyUnicode_InternFromString("__dict__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1703 if (dict_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1704 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1705 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1706 descr = _PyType_Lookup(type, dict_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1707 if (descr == NULL || !PyDescr_IsData(descr))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1708 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1709
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1710 return descr;
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1711 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1712
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1713 static void
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1714 raise_dict_descr_error(PyObject *obj)
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1715 {
61466
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parents: 59538
diff changeset
1716 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1717 "this __dict__ descriptor does not support "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1718 "'%.200s' objects", Py_TYPE(obj)->tp_name);
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1719 }
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1720
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1721 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
1722 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
1723 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1724 PyObject **dictptr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1725 PyObject *dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1726 PyTypeObject *base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1727
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1728 base = get_builtin_base_with_dict(Py_TYPE(obj));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1729 if (base != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1730 descrgetfunc func;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1731 PyObject *descr = get_dict_descriptor(base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1732 if (descr == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1733 raise_dict_descr_error(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1734 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1735 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1736 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
1737 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1738 raise_dict_descr_error(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1739 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1740 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1741 return func(descr, obj, (PyObject *)(Py_TYPE(obj)));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1742 }
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parents: 59538
diff changeset
1743
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1744 dictptr = _PyObject_GetDictPtr(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1745 if (dictptr == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1746 PyErr_SetString(PyExc_AttributeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1747 "This object has no __dict__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1748 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1749 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1750 dict = *dictptr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1751 if (dict == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1752 *dictptr = dict = PyDict_New();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1753 Py_XINCREF(dict);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1754 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
1755 }
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1756
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1757 static int
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1758 subtype_setdict(PyObject *obj, PyObject *value, void *context)
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1759 {
61466
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parents: 59538
diff changeset
1760 PyObject **dictptr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1761 PyObject *dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1762 PyTypeObject *base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1763
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1764 base = get_builtin_base_with_dict(Py_TYPE(obj));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1765 if (base != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1766 descrsetfunc func;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1767 PyObject *descr = get_dict_descriptor(base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1768 if (descr == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1769 raise_dict_descr_error(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1770 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1771 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1772 func = Py_TYPE(descr)->tp_descr_set;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1773 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1774 raise_dict_descr_error(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1775 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1776 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1777 return func(descr, obj, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1778 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1779
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1780 dictptr = _PyObject_GetDictPtr(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1781 if (dictptr == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1782 PyErr_SetString(PyExc_AttributeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1783 "This object has no __dict__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1784 return -1;
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parents: 59538
diff changeset
1785 }
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parents: 59538
diff changeset
1786 if (value != NULL && !PyDict_Check(value)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1787 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1788 "__dict__ must be set to a dictionary, "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1789 "not a '%.200s'", Py_TYPE(value)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1790 return -1;
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parents: 59538
diff changeset
1791 }
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parents: 59538
diff changeset
1792 dict = *dictptr;
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parents: 59538
diff changeset
1793 Py_XINCREF(value);
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parents: 59538
diff changeset
1794 *dictptr = value;
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parents: 59538
diff changeset
1795 Py_XDECREF(dict);
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parents: 59538
diff changeset
1796 return 0;
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1797 }
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1798
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1799 static PyObject *
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1800 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
1801 {
61466
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diff changeset
1802 PyObject **weaklistptr;
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parents: 59538
diff changeset
1803 PyObject *result;
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parents: 59538
diff changeset
1804
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parents: 59538
diff changeset
1805 if (Py_TYPE(obj)->tp_weaklistoffset == 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1806 PyErr_SetString(PyExc_AttributeError,
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parents: 59538
diff changeset
1807 "This object has no __weakref__");
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parents: 59538
diff changeset
1808 return NULL;
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parents: 59538
diff changeset
1809 }
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parents: 59538
diff changeset
1810 assert(Py_TYPE(obj)->tp_weaklistoffset > 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1811 assert(Py_TYPE(obj)->tp_weaklistoffset + sizeof(PyObject *) <=
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1812 (size_t)(Py_TYPE(obj)->tp_basicsize));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1813 weaklistptr = (PyObject **)
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parents: 59538
diff changeset
1814 ((char *)obj + Py_TYPE(obj)->tp_weaklistoffset);
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parents: 59538
diff changeset
1815 if (*weaklistptr == NULL)
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parents: 59538
diff changeset
1816 result = Py_None;
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parents: 59538
diff changeset
1817 else
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parents: 59538
diff changeset
1818 result = *weaklistptr;
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diff changeset
1819 Py_INCREF(result);
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parents: 59538
diff changeset
1820 return result;
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1821 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1822
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
1823 /* 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
1824
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1825 static PyGetSetDef subtype_getsets_full[] = {
61466
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diff changeset
1826 {"__dict__", subtype_dict, subtype_setdict,
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diff changeset
1827 PyDoc_STR("dictionary for instance variables (if defined)")},
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diff changeset
1828 {"__weakref__", subtype_getweakref, NULL,
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parents: 59538
diff changeset
1829 PyDoc_STR("list of weak references to the object (if defined)")},
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parents: 59538
diff changeset
1830 {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
1831 };
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1832
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
1833 static PyGetSetDef subtype_getsets_dict_only[] = {
61466
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parents: 59538
diff changeset
1834 {"__dict__", subtype_dict, subtype_setdict,
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parents: 59538
diff changeset
1835 PyDoc_STR("dictionary for instance variables (if defined)")},
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parents: 59538
diff changeset
1836 {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
1837 };
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1838
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1839 static PyGetSetDef subtype_getsets_weakref_only[] = {
61466
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parents: 59538
diff changeset
1840 {"__weakref__", subtype_getweakref, NULL,
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diff changeset
1841 PyDoc_STR("list of weak references to the object (if defined)")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1842 {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
1843 };
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1844
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1845 static int
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1846 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
1847 {
61466
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diff changeset
1848 if (!PyUnicode_Check(s)) {
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diff changeset
1849 PyErr_Format(PyExc_TypeError,
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parents: 59538
diff changeset
1850 "__slots__ items must be strings, not '%.200s'",
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diff changeset
1851 Py_TYPE(s)->tp_name);
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1852 return 0;
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1853 }
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1854 if (!PyUnicode_IsIdentifier(s)) {
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1855 PyErr_SetString(PyExc_TypeError,
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diff changeset
1856 "__slots__ must be identifiers");
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1857 return 0;
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1858 }
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1859 return 1;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1860 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1861
41554
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1862 /* Forward */
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1863 static int
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1864 object_init(PyObject *self, PyObject *args, PyObject *kwds);
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1865
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1866 static int
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1867 type_init(PyObject *cls, PyObject *args, PyObject *kwds)
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diff changeset
1868 {
61466
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1869 int res;
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1870
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1871 assert(args != NULL && PyTuple_Check(args));
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1872 assert(kwds == NULL || PyDict_Check(kwds));
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1873
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1874 if (kwds != NULL && PyDict_Check(kwds) && PyDict_Size(kwds) != 0) {
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1875 PyErr_SetString(PyExc_TypeError,
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1876 "type.__init__() takes no keyword arguments");
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1877 return -1;
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1878 }
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1879
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1880 if (args != NULL && PyTuple_Check(args) &&
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1881 (PyTuple_GET_SIZE(args) != 1 && PyTuple_GET_SIZE(args) != 3)) {
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1882 PyErr_SetString(PyExc_TypeError,
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1883 "type.__init__() takes 1 or 3 arguments");
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1884 return -1;
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1885 }
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1886
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1887 /* Call object.__init__(self) now. */
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1888 /* XXX Could call super(type, cls).__init__() but what's the point? */
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1889 args = PyTuple_GetSlice(args, 0, 0);
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1890 res = object_init(cls, args, NULL);
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1891 Py_DECREF(args);
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1892 return res;
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1893 }
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1894
19616
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
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diff changeset
1895 static PyObject *
18933
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1896 type_new(PyTypeObject *metatype, PyObject *args, PyObject *kwds)
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1897 {
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1898 PyObject *name, *bases, *dict;
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1899 static char *kwlist[] = {"name", "bases", "dict", 0};
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1900 PyObject *slots, *tmp, *newslots;
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1901 PyTypeObject *type, *base, *tmptype, *winner;
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1902 PyHeapTypeObject *et;
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1903 PyMemberDef *mp;
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1904 Py_ssize_t i, nbases, nslots, slotoffset, add_dict, add_weak;
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1905 int j, may_add_dict, may_add_weak;
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1906
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1907 assert(args != NULL && PyTuple_Check(args));
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1908 assert(kwds == NULL || PyDict_Check(kwds));
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1909
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1910 /* Special case: type(x) should return x->ob_type */
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1911 {
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1912 const Py_ssize_t nargs = PyTuple_GET_SIZE(args);
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1913 const Py_ssize_t nkwds = kwds == NULL ? 0 : PyDict_Size(kwds);
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1914
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1915 if (PyType_CheckExact(metatype) && nargs == 1 && nkwds == 0) {
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1916 PyObject *x = PyTuple_GET_ITEM(args, 0);
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1917 Py_INCREF(Py_TYPE(x));
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1918 return (PyObject *) Py_TYPE(x);
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1919 }
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1920
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1921 /* SF bug 475327 -- if that didn't trigger, we need 3
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1922 arguments. but PyArg_ParseTupleAndKeywords below may give
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1923 a msg saying type() needs exactly 3. */
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1924 if (nargs + nkwds != 3) {
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1925 PyErr_SetString(PyExc_TypeError,
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1926 "type() takes 1 or 3 arguments");
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1927 return NULL;
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1928 }
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1929 }
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1930
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1931 /* Check arguments: (name, bases, dict) */
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1932 if (!PyArg_ParseTupleAndKeywords(args, kwds, "UO!O!:type", kwlist,
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1933 &name,
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1934 &PyTuple_Type, &bases,
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1935 &PyDict_Type, &dict))
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1936 return NULL;
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1937
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1938 /* Determine the proper metatype to deal with this,
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1939 and check for metatype conflicts while we're at it.
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1940 Note that if some other metatype wins to contract,
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1941 it's possible that its instances are not types. */
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1942 nbases = PyTuple_GET_SIZE(bases);
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1943 winner = metatype;
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1944 for (i = 0; i < nbases; i++) {
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1945 tmp = PyTuple_GET_ITEM(bases, i);
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1946 tmptype = Py_TYPE(tmp);
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1947 if (PyType_IsSubtype(winner, tmptype))
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1948 continue;
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1949 if (PyType_IsSubtype(tmptype, winner)) {
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1950 winner = tmptype;
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1951 continue;
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1952 }
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1953 PyErr_SetString(PyExc_TypeError,
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1954 "metaclass conflict: "
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1955 "the metaclass of a derived class "
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1956 "must be a (non-strict) subclass "
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1957 "of the metaclasses of all its bases");
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1958 return NULL;
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1959 }
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1960 if (winner != metatype) {
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1961 if (winner->tp_new != type_new) /* Pass it to the winner */
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1962 return winner->tp_new(winner, args, kwds);
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1963 metatype = winner;
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1964 }
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1965
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1966 /* Adjust for empty tuple bases */
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1967 if (nbases == 0) {
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1968 bases = PyTuple_Pack(1, &PyBaseObject_Type);
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1969 if (bases == NULL)
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1970 return NULL;
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1971 nbases = 1;
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1972 }
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1973 else
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1974 Py_INCREF(bases);
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1975
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1976 /* XXX From here until type is allocated, "return NULL" leaks bases! */
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1977
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1978 /* Calculate best base, and check that all bases are type objects */
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1979 base = best_base(bases);
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1980 if (base == NULL) {
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1981 Py_DECREF(bases);
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1982 return NULL;
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1983 }
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1984 if (!PyType_HasFeature(base, Py_TPFLAGS_BASETYPE)) {
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diff changeset
1985 PyErr_Format(PyExc_TypeError,
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diff changeset
1986 "type '%.100s' is not an acceptable base type",
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diff changeset
1987 base->tp_name);
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diff changeset
1988 Py_DECREF(bases);
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diff changeset
1989 return NULL;
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diff changeset
1990 }
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diff changeset
1991
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diff changeset
1992 /* Check for a __slots__ sequence variable in dict, and count it */
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diff changeset
1993 slots = PyDict_GetItemString(dict, "__slots__");
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diff changeset
1994 nslots = 0;
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diff changeset
1995 add_dict = 0;
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diff changeset
1996 add_weak = 0;
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diff changeset
1997 may_add_dict = base->tp_dictoffset == 0;
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diff changeset
1998 may_add_weak = base->tp_weaklistoffset == 0 && base->tp_itemsize == 0;
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diff changeset
1999 if (slots == NULL) {
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diff changeset
2000 if (may_add_dict) {
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diff changeset
2001 add_dict++;
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diff changeset
2002 }
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diff changeset
2003 if (may_add_weak) {
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diff changeset
2004 add_weak++;
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diff changeset
2005 }
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diff changeset
2006 }
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diff changeset
2007 else {
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parents: 59538
diff changeset
2008 /* Have slots */
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diff changeset
2009
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parents: 59538
diff changeset
2010 /* Make it into a tuple */
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parents: 59538
diff changeset
2011 if (PyUnicode_Check(slots))
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diff changeset
2012 slots = PyTuple_Pack(1, slots);
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diff changeset
2013 else
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parents: 59538
diff changeset
2014 slots = PySequence_Tuple(slots);
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parents: 59538
diff changeset
2015 if (slots == NULL) {
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parents: 59538
diff changeset
2016 Py_DECREF(bases);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2017 return NULL;
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parents: 59538
diff changeset
2018 }
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parents: 59538
diff changeset
2019 assert(PyTuple_Check(slots));
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diff changeset
2020
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parents: 59538
diff changeset
2021 /* Are slots allowed? */
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parents: 59538
diff changeset
2022 nslots = PyTuple_GET_SIZE(slots);
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parents: 59538
diff changeset
2023 if (nslots > 0 && base->tp_itemsize != 0) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2024 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2025 "nonempty __slots__ "
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2026 "not supported for subtype of '%s'",
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2027 base->tp_name);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2028 bad_slots:
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parents: 59538
diff changeset
2029 Py_DECREF(bases);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2030 Py_DECREF(slots);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2031 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2032 }
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parents: 59538
diff changeset
2033
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parents: 59538
diff changeset
2034 /* Check for valid slot names and two special cases */
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parents: 59538
diff changeset
2035 for (i = 0; i < nslots; i++) {
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parents: 59538
diff changeset
2036 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
2037 if (!valid_identifier(tmp))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2038 goto bad_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2039 assert(PyUnicode_Check(tmp));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2040 if (PyUnicode_CompareWithASCIIString(tmp, "__dict__") == 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2041 if (!may_add_dict || add_dict) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2042 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2043 "__dict__ slot disallowed: "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2044 "we already got one");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2045 goto bad_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2046 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2047 add_dict++;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2048 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2049 if (PyUnicode_CompareWithASCIIString(tmp, "__weakref__") == 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2050 if (!may_add_weak || add_weak) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2051 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2052 "__weakref__ slot disallowed: "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2053 "either we already got one, "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2054 "or __itemsize__ != 0");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2055 goto bad_slots;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2056 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2057 add_weak++;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2058 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2059 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2060
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2061 /* Copy slots into a list, mangle names and sort them.
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2062 Sorted names are needed for __class__ assignment.
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2063 Convert them back to tuple at the end.
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2064 */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2065 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
2066 if (newslots == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2067 goto bad_slots;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2068 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
2069 tmp = PyTuple_GET_ITEM(slots, i);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2070 if ((add_dict &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2071 PyUnicode_CompareWithASCIIString(tmp, "__dict__") == 0) ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2072 (add_weak &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2073 PyUnicode_CompareWithASCIIString(tmp, "__weakref__") == 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2074 continue;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2075 tmp =_Py_Mangle(name, tmp);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2076 if (!tmp)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2077 goto bad_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2078 PyList_SET_ITEM(newslots, j, tmp);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2079 j++;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2080 }
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parents: 59538
diff changeset
2081 assert(j == nslots - add_dict - add_weak);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2082 nslots = j;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2083 Py_DECREF(slots);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2084 if (PyList_Sort(newslots) == -1) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2085 Py_DECREF(bases);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2086 Py_DECREF(newslots);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2087 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2088 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2089 slots = PyList_AsTuple(newslots);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2090 Py_DECREF(newslots);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2091 if (slots == NULL) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2092 Py_DECREF(bases);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2093 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2094 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2095
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2096 /* Secondary bases may provide weakrefs or dict */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2097 if (nbases > 1 &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2098 ((may_add_dict && !add_dict) ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2099 (may_add_weak && !add_weak))) {
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parents: 59538
diff changeset
2100 for (i = 0; i < nbases; i++) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2101 tmp = PyTuple_GET_ITEM(bases, i);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2102 if (tmp == (PyObject *)base)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2103 continue; /* Skip primary base */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2104 assert(PyType_Check(tmp));
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2105 tmptype = (PyTypeObject *)tmp;
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parents: 59538
diff changeset
2106 if (may_add_dict && !add_dict &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2107 tmptype->tp_dictoffset != 0)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2108 add_dict++;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2109 if (may_add_weak && !add_weak &&
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2110 tmptype->tp_weaklistoffset != 0)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2111 add_weak++;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2112 if (may_add_dict && !add_dict)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2113 continue;
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parents: 59538
diff changeset
2114 if (may_add_weak && !add_weak)
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diff changeset
2115 continue;
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diff changeset
2116 /* Nothing more to check */
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diff changeset
2117 break;
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diff changeset
2118 }
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diff changeset
2119 }
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diff changeset
2120 }
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diff changeset
2121
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diff changeset
2122 /* XXX From here until type is safely allocated,
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diff changeset
2123 "return NULL" may leak slots! */
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diff changeset
2124
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diff changeset
2125 /* Allocate the type object */
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diff changeset
2126 type = (PyTypeObject *)metatype->tp_alloc(metatype, nslots);
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diff changeset
2127 if (type == NULL) {
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diff changeset
2128 Py_XDECREF(slots);
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diff changeset
2129 Py_DECREF(bases);
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diff changeset
2130 return NULL;
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diff changeset
2131 }
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diff changeset
2132
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diff changeset
2133 /* Keep name and slots alive in the extended type object */
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diff changeset
2134 et = (PyHeapTypeObject *)type;
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diff changeset
2135 Py_INCREF(name);
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diff changeset
2136 et->ht_name = name;
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diff changeset
2137 et->ht_slots = slots;
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diff changeset
2138
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diff changeset
2139 /* Initialize tp_flags */
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diff changeset
2140 type->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HEAPTYPE |
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diff changeset
2141 Py_TPFLAGS_BASETYPE;
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diff changeset
2142 if (base->tp_flags & Py_TPFLAGS_HAVE_GC)
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diff changeset
2143 type->tp_flags |= Py_TPFLAGS_HAVE_GC;
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diff changeset
2144
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diff changeset
2145 /* Initialize essential fields */
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diff changeset
2146 type->tp_as_number = &et->as_number;
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diff changeset
2147 type->tp_as_sequence = &et->as_sequence;
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diff changeset
2148 type->tp_as_mapping = &et->as_mapping;
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diff changeset
2149 type->tp_as_buffer = &et->as_buffer;
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diff changeset
2150 type->tp_name = _PyUnicode_AsString(name);
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diff changeset
2151 if (!type->tp_name) {
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diff changeset
2152 Py_DECREF(type);
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diff changeset
2153 return NULL;
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diff changeset
2154 }
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diff changeset
2155
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diff changeset
2156 /* Set tp_base and tp_bases */
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diff changeset
2157 type->tp_bases = bases;
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diff changeset
2158 Py_INCREF(base);
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diff changeset
2159 type->tp_base = base;
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parents: 59538
diff changeset
2160
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diff changeset
2161 /* Initialize tp_dict from passed-in dict */
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diff changeset
2162 type->tp_dict = dict = PyDict_Copy(dict);
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diff changeset
2163 if (dict == NULL) {
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2164 Py_DECREF(type);
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diff changeset
2165 return NULL;
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2166 }
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diff changeset
2167
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diff changeset
2168 /* Set __module__ in the dict */
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diff changeset
2169 if (PyDict_GetItemString(dict, "__module__") == NULL) {
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diff changeset
2170 tmp = PyEval_GetGlobals();
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diff changeset
2171 if (tmp != NULL) {
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diff changeset
2172 tmp = PyDict_GetItemString(tmp, "__name__");
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diff changeset
2173 if (tmp != NULL) {
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diff changeset
2174 if (PyDict_SetItemString(dict, "__module__",
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diff changeset
2175 tmp) < 0)
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diff changeset
2176 return NULL;
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diff changeset
2177 }
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diff changeset
2178 }
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diff changeset
2179 }
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diff changeset
2180
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diff changeset
2181 /* Set tp_doc to a copy of dict['__doc__'], if the latter is there
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diff changeset
2182 and is a string. The __doc__ accessor will first look for tp_doc;
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diff changeset
2183 if that fails, it will still look into __dict__.
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diff changeset
2184 */
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diff changeset
2185 {
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diff changeset
2186 PyObject *doc = PyDict_GetItemString(dict, "__doc__");
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diff changeset
2187 if (doc != NULL && PyUnicode_Check(doc)) {
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parents: 59538
diff changeset
2188 Py_ssize_t len;
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diff changeset
2189 char *doc_str;
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parents: 59538
diff changeset
2190 char *tp_doc;
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diff changeset
2191
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diff changeset
2192 doc_str = _PyUnicode_AsString(doc);
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diff changeset
2193 if (doc_str == NULL) {
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diff changeset
2194 Py_DECREF(type);
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diff changeset
2195 return NULL;
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diff changeset
2196 }
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parents: 59538
diff changeset
2197 /* Silently truncate the docstring if it contains null bytes. */
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parents: 59538
diff changeset
2198 len = strlen(doc_str);
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parents: 59538
diff changeset
2199 tp_doc = (char *)PyObject_MALLOC(len + 1);
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parents: 59538
diff changeset
2200 if (tp_doc == NULL) {
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parents: 59538
diff changeset
2201 Py_DECREF(type);
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parents: 59538
diff changeset
2202 return NULL;
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diff changeset
2203 }
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diff changeset
2204 memcpy(tp_doc, doc_str, len + 1);
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diff changeset
2205 type->tp_doc = tp_doc;
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diff changeset
2206 }
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diff changeset
2207 }
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diff changeset
2208
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diff changeset
2209 /* Special-case __new__: if it's a plain function,
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parents: 59538
diff changeset
2210 make it a static function */
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diff changeset
2211 tmp = PyDict_GetItemString(dict, "__new__");
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diff changeset
2212 if (tmp != NULL && PyFunction_Check(tmp)) {
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parents: 59538
diff changeset
2213 tmp = PyStaticMethod_New(tmp);
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parents: 59538
diff changeset
2214 if (tmp == NULL) {
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parents: 59538
diff changeset
2215 Py_DECREF(type);
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diff changeset
2216 return NULL;
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diff changeset
2217 }
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diff changeset
2218 PyDict_SetItemString(dict, "__new__", tmp);
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diff changeset
2219 Py_DECREF(tmp);
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2220 }
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diff changeset
2221
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diff changeset
2222 /* Add descriptors for custom slots from __slots__, or for __dict__ */
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diff changeset
2223 mp = PyHeapType_GET_MEMBERS(et);
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diff changeset
2224 slotoffset = base->tp_basicsize;
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diff changeset
2225 if (slots != NULL) {
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diff changeset
2226 for (i = 0; i < nslots; i++, mp++) {
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diff changeset
2227 mp->name = _PyUnicode_AsString(
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diff changeset
2228 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
2229 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
2230 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
2231 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
2232 }
61466
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2233 mp->type = T_OBJECT_EX;
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2234 mp->offset = slotoffset;
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2235
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2236 /* __dict__ and __weakref__ are already filtered out */
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diff changeset
2237 assert(strcmp(mp->name, "__dict__") != 0);
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diff changeset
2238 assert(strcmp(mp->name, "__weakref__") != 0);
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diff changeset
2239
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2240 slotoffset += sizeof(PyObject *);
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2241 }
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2242 }
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2243 if (add_dict) {
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2244 if (base->tp_itemsize)
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diff changeset
2245 type->tp_dictoffset = -(long)sizeof(PyObject *);
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diff changeset
2246 else
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diff changeset
2247 type->tp_dictoffset = slotoffset;
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diff changeset
2248 slotoffset += sizeof(PyObject *);
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diff changeset
2249 }
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diff changeset
2250 if (add_weak) {
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diff changeset
2251 assert(!base->tp_itemsize);
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diff changeset
2252 type->tp_weaklistoffset = slotoffset;
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diff changeset
2253 slotoffset += sizeof(PyObject *);
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diff changeset
2254 }
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diff changeset
2255 type->tp_basicsize = slotoffset;
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diff changeset
2256 type->tp_itemsize = base->tp_itemsize;
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diff changeset
2257 type->tp_members = PyHeapType_GET_MEMBERS(et);
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diff changeset
2258
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diff changeset
2259 if (type->tp_weaklistoffset && type->tp_dictoffset)
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parents: 59538
diff changeset
2260 type->tp_getset = subtype_getsets_full;
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diff changeset
2261 else if (type->tp_weaklistoffset && !type->tp_dictoffset)
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diff changeset
2262 type->tp_getset = subtype_getsets_weakref_only;
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diff changeset
2263 else if (!type->tp_weaklistoffset && type->tp_dictoffset)
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diff changeset
2264 type->tp_getset = subtype_getsets_dict_only;
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diff changeset
2265 else
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diff changeset
2266 type->tp_getset = NULL;
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diff changeset
2267
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diff changeset
2268 /* Special case some slots */
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diff changeset
2269 if (type->tp_dictoffset != 0 || nslots > 0) {
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diff changeset
2270 if (base->tp_getattr == NULL && base->tp_getattro == NULL)
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diff changeset
2271 type->tp_getattro = PyObject_GenericGetAttr;
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diff changeset
2272 if (base->tp_setattr == NULL && base->tp_setattro == NULL)
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diff changeset
2273 type->tp_setattro = PyObject_GenericSetAttr;
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diff changeset
2274 }
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diff changeset
2275 type->tp_dealloc = subtype_dealloc;
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diff changeset
2276
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diff changeset
2277 /* Enable GC unless there are really no instance variables possible */
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diff changeset
2278 if (!(type->tp_basicsize == sizeof(PyObject) &&
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diff changeset
2279 type->tp_itemsize == 0))
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diff changeset
2280 type->tp_flags |= Py_TPFLAGS_HAVE_GC;
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diff changeset
2281
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diff changeset
2282 /* Always override allocation strategy to use regular heap */
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diff changeset
2283 type->tp_alloc = PyType_GenericAlloc;
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diff changeset
2284 if (type->tp_flags & Py_TPFLAGS_HAVE_GC) {
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diff changeset
2285 type->tp_free = PyObject_GC_Del;
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diff changeset
2286 type->tp_traverse = subtype_traverse;
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diff changeset
2287 type->tp_clear = subtype_clear;
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diff changeset
2288 }
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diff changeset
2289 else
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diff changeset
2290 type->tp_free = PyObject_Del;
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diff changeset
2291
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diff changeset
2292 /* Initialize the rest */
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diff changeset
2293 if (PyType_Ready(type) < 0) {
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diff changeset
2294 Py_DECREF(type);
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diff changeset
2295 return NULL;
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diff changeset
2296 }
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diff changeset
2297
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diff changeset
2298 /* Put the proper slots in place */
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diff changeset
2299 fixup_slot_dispatchers(type);
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diff changeset
2300
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diff changeset
2301 return (PyObject *)type;
18933
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2302 }
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2303
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diff changeset
2304 /* Internal API to look for a name through the MRO.
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diff changeset
2305 This returns a borrowed reference, and doesn't set an exception! */
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2306 PyObject *
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2307 _PyType_Lookup(PyTypeObject *type, PyObject *name)
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2308 {
61466
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diff changeset
2309 Py_ssize_t i, n;
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diff changeset
2310 PyObject *mro, *res, *base, *dict;
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diff changeset
2311 unsigned int h;
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diff changeset
2312
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diff changeset
2313 if (MCACHE_CACHEABLE_NAME(name) &&
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diff changeset
2314 PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) {
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diff changeset
2315 /* fast path */
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diff changeset
2316 h = MCACHE_HASH_METHOD(type, name);
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diff changeset
2317 if (method_cache[h].version == type->tp_version_tag &&
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diff changeset
2318 method_cache[h].name == name)
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diff changeset
2319 return method_cache[h].value;
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diff changeset
2320 }
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diff changeset
2321
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diff changeset
2322 /* Look in tp_dict of types in MRO */
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diff changeset
2323 mro = type->tp_mro;
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diff changeset
2324
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diff changeset
2325 /* If mro is NULL, the type is either not yet initialized
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diff changeset
2326 by PyType_Ready(), or already cleared by type_clear().
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diff changeset
2327 Either way the safest thing to do is to return NULL. */
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diff changeset
2328 if (mro == NULL)
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diff changeset
2329 return NULL;
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diff changeset
2330
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diff changeset
2331 res = NULL;
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diff changeset
2332 assert(PyTuple_Check(mro));
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diff changeset
2333 n = PyTuple_GET_SIZE(mro);
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diff changeset
2334 for (i = 0; i < n; i++) {
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diff changeset
2335 base = PyTuple_GET_ITEM(mro, i);
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diff changeset
2336 assert(PyType_Check(base));
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diff changeset
2337 dict = ((PyTypeObject *)base)->tp_dict;
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diff changeset
2338 assert(dict && PyDict_Check(dict));
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diff changeset
2339 res = PyDict_GetItem(dict, name);
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diff changeset
2340 if (res != NULL)
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diff changeset
2341 break;
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2342 }
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diff changeset
2343
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diff changeset
2344 if (MCACHE_CACHEABLE_NAME(name) && assign_version_tag(type)) {
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diff changeset
2345 h = MCACHE_HASH_METHOD(type, name);
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diff changeset
2346 method_cache[h].version = type->tp_version_tag;
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diff changeset
2347 method_cache[h].value = res; /* borrowed */
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diff changeset
2348 Py_INCREF(name);
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diff changeset
2349 Py_DECREF(method_cache[h].name);
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diff changeset
2350 method_cache[h].name = name;
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2351 }
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2352 return res;
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2353 }
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2354
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2355 /* This is similar to PyObject_GenericGetAttr(),
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2356 but uses _PyType_Lookup() instead of just looking in type->tp_dict. */
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2357 static PyObject *
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2358 type_getattro(PyTypeObject *type, PyObject *name)
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diff changeset
2359 {
61466
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diff changeset
2360 PyTypeObject *metatype = Py_TYPE(type);
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2361 PyObject *meta_attribute, *attribute;
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2362 descrgetfunc meta_get;
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2363
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diff changeset
2364 /* Initialize this type (we'll assume the metatype is initialized) */
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diff changeset
2365 if (type->tp_dict == NULL) {
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2366 if (PyType_Ready(type) < 0)
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2367 return NULL;
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2368 }
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2369
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diff changeset
2370 /* No readable descriptor found yet */
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2371 meta_get = NULL;
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2372
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diff changeset
2373 /* Look for the attribute in the metatype */
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diff changeset
2374 meta_attribute = _PyType_Lookup(metatype, name);
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diff changeset
2375
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2376 if (meta_attribute != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2377 meta_get = Py_TYPE(meta_attribute)->tp_descr_get;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2378
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2379 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
2380 /* Data descriptors implement tp_descr_set to intercept
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2381 * writes. Assume the attribute is not overridden in
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2382 * type's tp_dict (and bases): call the descriptor now.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2383 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2384 return meta_get(meta_attribute, (PyObject *)type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2385 (PyObject *)metatype);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2386 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2387 Py_INCREF(meta_attribute);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2388 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2389
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2390 /* 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
2391 * type and its bases */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2392 attribute = _PyType_Lookup(type, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2393 if (attribute != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2394 /* Implement descriptor functionality, if any */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2395 descrgetfunc local_get = Py_TYPE(attribute)->tp_descr_get;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2396
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2397 Py_XDECREF(meta_attribute);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2398
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2399 if (local_get != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2400 /* 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
2401 * found on the target object itself (or a base) */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2402 return local_get(attribute, (PyObject *)NULL,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2403 (PyObject *)type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2404 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2405
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2406 Py_INCREF(attribute);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2407 return attribute;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2408 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2409
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2410 /* 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
2411 * descriptor from the metatype, if any */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2412 if (meta_get != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2413 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2414 res = meta_get(meta_attribute, (PyObject *)type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2415 (PyObject *)metatype);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2416 Py_DECREF(meta_attribute);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2417 return res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2418 }
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parents: 59538
diff changeset
2419
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2420 /* If an ordinary attribute was found on the metatype, return it now */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2421 if (meta_attribute != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2422 return meta_attribute;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2423 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2424
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2425 /* Give up */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2426 PyErr_Format(PyExc_AttributeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2427 "type object '%.50s' has no attribute '%U'",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2428 type->tp_name, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2429 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2430 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2431
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2432 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2433 type_setattro(PyTypeObject *type, PyObject *name, PyObject *value)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2434 {
61466
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parents: 59538
diff changeset
2435 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2436 PyErr_Format(
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2437 PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2438 "can't set attributes of built-in/extension type '%s'",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2439 type->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2440 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2441 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2442 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
2443 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2444 return update_slot(type, name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2445 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2446
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2447 static void
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2448 type_dealloc(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2449 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2450 PyHeapTypeObject *et;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2451
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2452 /* Assert this is a heap-allocated type object */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2453 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2454 _PyObject_GC_UNTRACK(type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2455 PyObject_ClearWeakRefs((PyObject *)type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2456 et = (PyHeapTypeObject *)type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2457 Py_XDECREF(type->tp_base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2458 Py_XDECREF(type->tp_dict);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2459 Py_XDECREF(type->tp_bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2460 Py_XDECREF(type->tp_mro);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2461 Py_XDECREF(type->tp_cache);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2462 Py_XDECREF(type->tp_subclasses);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2463 /* A type's tp_doc is heap allocated, unlike the tp_doc slots
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2464 * of most other objects. It's okay to cast it to char *.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2465 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2466 PyObject_Free((char *)type->tp_doc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2467 Py_XDECREF(et->ht_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2468 Py_XDECREF(et->ht_slots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2469 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
2470 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2471
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2472 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
2473 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
2474 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2475 PyObject *list, *raw, *ref;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2476 Py_ssize_t i, n;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2477
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2478 list = PyList_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2479 if (list == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2480 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2481 raw = type->tp_subclasses;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2482 if (raw == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2483 return list;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2484 assert(PyList_Check(raw));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2485 n = PyList_GET_SIZE(raw);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2486 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2487 ref = PyList_GET_ITEM(raw, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2488 assert(PyWeakref_CheckRef(ref));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2489 ref = PyWeakref_GET_OBJECT(ref);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2490 if (ref != Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2491 if (PyList_Append(list, ref) < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2492 Py_DECREF(list);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2493 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2494 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2495 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2496 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2497 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
2498 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2499
42420
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2500 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
2501 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
2502 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2503 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
2504 }
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2505
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2506 static PyMethodDef type_methods[] = {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2507 {"mro", (PyCFunction)mro_external, METH_NOARGS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2508 PyDoc_STR("mro() -> list\nreturn a type's method resolution order")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2509 {"__subclasses__", (PyCFunction)type_subclasses, METH_NOARGS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2510 PyDoc_STR("__subclasses__() -> list of immediate subclasses")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2511 {"__prepare__", (PyCFunction)type_prepare,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2512 METH_VARARGS | METH_KEYWORDS | METH_CLASS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2513 PyDoc_STR("__prepare__() -> dict\n"
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2514 "used to create the namespace for the class statement")},
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2515 {"__instancecheck__", type___instancecheck__, METH_O,
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parents: 59538
diff changeset
2516 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
2517 {"__subclasscheck__", type___subclasscheck__, METH_O,
64076
e3df34544db9 Issue #8983: Corrected docstrings.
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 63949
diff changeset
2518 PyDoc_STR("__subclasscheck__() -> check if a class is a subclass")},
61466
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2519 {0}
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2520 };
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Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2521
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23830
diff changeset
2522 PyDoc_STRVAR(type_doc,
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2523 "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
2524 "type(name, bases, dict) -> a new type");
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2525
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2526 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
2527 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
2528 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2529 /* 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
2530 for heaptypes. */
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parents: 59538
diff changeset
2531 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
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diff changeset
2532
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diff changeset
2533 Py_VISIT(type->tp_dict);
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diff changeset
2534 Py_VISIT(type->tp_cache);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2535 Py_VISIT(type->tp_mro);
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diff changeset
2536 Py_VISIT(type->tp_bases);
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diff changeset
2537 Py_VISIT(type->tp_base);
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diff changeset
2538
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
2539 /* 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
2540 ((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
2541 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
2542 and slots is a tuple of strings. */
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diff changeset
2543
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diff changeset
2544 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
2545 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2546
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2547 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
2548 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
2549 {
61466
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diff changeset
2550 /* 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
2551 for heaptypes. */
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parents: 59538
diff changeset
2552 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2553
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2554 /* 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
2555 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
2556 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
2557 tp_clear handler). None of the other fields need to be
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2558 cleared, and here's why:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2559
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2560 tp_dict:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2561 It is a dict, so the collector will call its tp_clear.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2562
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parents: 59538
diff changeset
2563 tp_cache:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2564 Not used; if it were, it would be a dict.
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parents: 59538
diff changeset
2565
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parents: 59538
diff changeset
2566 tp_bases, tp_base:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2567 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
2568 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
2569 class's dict; the cycle will be broken that way.
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parents: 59538
diff changeset
2570
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2571 tp_subclasses:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2572 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
2573 lists have their own tp_clear.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2574
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2575 slots (in PyHeapTypeObject):
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2576 A tuple of strings can't be part of a cycle.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2577 */
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parents: 59538
diff changeset
2578
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parents: 59538
diff changeset
2579 Py_CLEAR(type->tp_mro);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2580
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2581 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
2582 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2583
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2584 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
2585 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
2586 {
61466
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parents: 59538
diff changeset
2587 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
2588 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2589
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
2590 PyTypeObject PyType_Type = {
61466
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parents: 59538
diff changeset
2591 PyVarObject_HEAD_INIT(&PyType_Type, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2592 "type", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2593 sizeof(PyHeapTypeObject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2594 sizeof(PyMemberDef), /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2595 (destructor)type_dealloc, /* tp_dealloc */
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parents: 59538
diff changeset
2596 0, /* tp_print */
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parents: 59538
diff changeset
2597 0, /* tp_getattr */
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parents: 59538
diff changeset
2598 0, /* tp_setattr */
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parents: 59538
diff changeset
2599 0, /* tp_reserved */
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parents: 59538
diff changeset
2600 (reprfunc)type_repr, /* tp_repr */
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diff changeset
2601 0, /* tp_as_number */
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diff changeset
2602 0, /* tp_as_sequence */
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diff changeset
2603 0, /* tp_as_mapping */
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parents: 59538
diff changeset
2604 0, /* tp_hash */
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parents: 59538
diff changeset
2605 (ternaryfunc)type_call, /* tp_call */
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diff changeset
2606 0, /* tp_str */
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diff changeset
2607 (getattrofunc)type_getattro, /* tp_getattro */
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parents: 59538
diff changeset
2608 (setattrofunc)type_setattro, /* tp_setattro */
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parents: 59538
diff changeset
2609 0, /* tp_as_buffer */
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diff changeset
2610 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
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diff changeset
2611 Py_TPFLAGS_BASETYPE | Py_TPFLAGS_TYPE_SUBCLASS, /* tp_flags */
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parents: 59538
diff changeset
2612 type_doc, /* tp_doc */
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parents: 59538
diff changeset
2613 (traverseproc)type_traverse, /* tp_traverse */
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parents: 59538
diff changeset
2614 (inquiry)type_clear, /* tp_clear */
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parents: 59538
diff changeset
2615 0, /* tp_richcompare */
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parents: 59538
diff changeset
2616 offsetof(PyTypeObject, tp_weaklist), /* tp_weaklistoffset */
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parents: 59538
diff changeset
2617 0, /* tp_iter */
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diff changeset
2618 0, /* tp_iternext */
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parents: 59538
diff changeset
2619 type_methods, /* tp_methods */
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parents: 59538
diff changeset
2620 type_members, /* tp_members */
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parents: 59538
diff changeset
2621 type_getsets, /* tp_getset */
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parents: 59538
diff changeset
2622 0, /* tp_base */
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diff changeset
2623 0, /* tp_dict */
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diff changeset
2624 0, /* tp_descr_get */
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parents: 59538
diff changeset
2625 0, /* tp_descr_set */
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parents: 59538
diff changeset
2626 offsetof(PyTypeObject, tp_dict), /* tp_dictoffset */
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parents: 59538
diff changeset
2627 type_init, /* tp_init */
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diff changeset
2628 0, /* tp_alloc */
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diff changeset
2629 type_new, /* tp_new */
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diff changeset
2630 PyObject_GC_Del, /* tp_free */
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parents: 59538
diff changeset
2631 (inquiry)type_is_gc, /* tp_is_gc */
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2632 };
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2633
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diff changeset
2634
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2635 /* The base type of all types (eventually)... except itself. */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2636
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2637 /* You may wonder why object.__new__() only complains about arguments
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2638 when object.__init__() is not overridden, and vice versa.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2639
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2640 Consider the use cases:
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2641
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2642 1. When neither is overridden, we want to hear complaints about
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2643 excess (i.e., any) arguments, since their presence could
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2644 indicate there's a bug.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2645
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2646 2. When defining an Immutable type, we are likely to override only
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2647 __new__(), since __init__() is called too late to initialize an
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2648 Immutable object. Since __new__() defines the signature for the
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2649 type, it would be a pain to have to override __init__() just to
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2650 stop it from complaining about excess arguments.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2651
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2652 3. When defining a Mutable type, we are likely to override only
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2653 __init__(). So here the converse reasoning applies: we don't
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2654 want to have to override __new__() just to stop it from
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2655 complaining.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2656
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2657 4. When __init__() is overridden, and the subclass __init__() calls
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2658 object.__init__(), the latter should complain about excess
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2659 arguments; ditto for __new__().
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2660
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2661 Use cases 2 and 3 make it unattractive to unconditionally check for
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2662 excess arguments. The best solution that addresses all four use
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2663 cases is as follows: __init__() complains about excess arguments
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2664 unless __new__() is overridden and __init__() is not overridden
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2665 (IOW, if __init__() is overridden or __new__() is not overridden);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2666 symmetrically, __new__() complains about excess arguments unless
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2667 __init__() is overridden and __new__() is not overridden
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2668 (IOW, if __new__() is overridden or __init__() is not overridden).
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2669
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2670 However, for backwards compatibility, this breaks too much code.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2671 Therefore, in 2.6, we'll *warn* about excess arguments when both
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2672 methods are overridden; for all other cases we'll use the above
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2673 rules.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2674
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2675 */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2676
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2677 /* Forward */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2678 static PyObject *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2679 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2680
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2681 static int
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2682 excess_args(PyObject *args, PyObject *kwds)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2683 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2684 return PyTuple_GET_SIZE(args) ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2685 (kwds && PyDict_Check(kwds) && PyDict_Size(kwds));
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2686 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2687
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2688 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2689 object_init(PyObject *self, PyObject *args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2690 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2691 int err = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2692 if (excess_args(args, kwds)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2693 PyTypeObject *type = Py_TYPE(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2694 if (type->tp_init != object_init &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2695 type->tp_new != object_new)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2696 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2697 err = PyErr_WarnEx(PyExc_DeprecationWarning,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2698 "object.__init__() takes no parameters",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2699 1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2700 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2701 else if (type->tp_init != object_init ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2702 type->tp_new == object_new)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2703 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2704 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2705 "object.__init__() takes no parameters");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2706 err = -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2707 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2708 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2709 return err;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2710 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2711
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2712 static PyObject *
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2713 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2714 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2715 int err = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2716 if (excess_args(args, kwds)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2717 if (type->tp_new != object_new &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2718 type->tp_init != object_init)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2719 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2720 err = PyErr_WarnEx(PyExc_DeprecationWarning,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2721 "object.__new__() takes no parameters",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2722 1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2723 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2724 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
2725 type->tp_init == object_init)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2726 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2727 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2728 "object.__new__() takes no parameters");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2729 err = -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2730 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2731 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2732 if (err < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2733 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2734
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2735 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
2736 static PyObject *comma = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2737 PyObject *abstract_methods = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2738 PyObject *builtins;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2739 PyObject *sorted;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2740 PyObject *sorted_methods = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2741 PyObject *joined = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2742
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2743 /* Compute ", ".join(sorted(type.__abstractmethods__))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2744 into joined. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2745 abstract_methods = type_abstractmethods(type, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2746 if (abstract_methods == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2747 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2748 builtins = PyEval_GetBuiltins();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2749 if (builtins == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2750 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2751 sorted = PyDict_GetItemString(builtins, "sorted");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2752 if (sorted == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2753 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2754 sorted_methods = PyObject_CallFunctionObjArgs(sorted,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2755 abstract_methods,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2756 NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2757 if (sorted_methods == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2758 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2759 if (comma == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2760 comma = PyUnicode_InternFromString(", ");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2761 if (comma == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2762 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2763 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2764 joined = PyObject_CallMethod(comma, "join",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2765 "O", sorted_methods);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2766 if (joined == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2767 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2768
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2769 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2770 "Can't instantiate abstract class %s "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2771 "with abstract methods %U",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2772 type->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2773 joined);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2774 error:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2775 Py_XDECREF(joined);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2776 Py_XDECREF(sorted_methods);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2777 Py_XDECREF(abstract_methods);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2778 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2779 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2780 return type->tp_alloc(type, 0);
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2781 }
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2782
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2783 static void
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2784 object_dealloc(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2785 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2786 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
2787 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2788
19194
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2789 static PyObject *
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2790 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
2791 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2792 PyTypeObject *type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2793 PyObject *mod, *name, *rtn;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2794
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2795 type = Py_TYPE(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2796 mod = type_module(type, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2797 if (mod == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2798 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2799 else if (!PyUnicode_Check(mod)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2800 Py_DECREF(mod);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2801 mod = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2802 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2803 name = type_name(type, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2804 if (name == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2805 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2806 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
2807 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
2808 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2809 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
2810 type->tp_name, self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2811 Py_XDECREF(mod);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2812 Py_DECREF(name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2813 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
2814 }
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2815
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2816 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2817 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
2818 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2819 unaryfunc f;
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 f = Py_TYPE(self)->tp_repr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2822 if (f == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2823 f = object_repr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2824 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
2825 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2826
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2827 static PyObject *
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2828 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
2829 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2830 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2831
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2832 switch (op) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2833
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2834 case Py_EQ:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2835 /* 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
2836 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
2837 comparison. See issue #1393. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2838 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
2839 Py_INCREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2840 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2841
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2842 case Py_NE:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2843 /* By default, != returns the opposite of ==,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2844 unless the latter returns NotImplemented. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2845 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
2846 if (res != NULL && res != Py_NotImplemented) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2847 int ok = PyObject_IsTrue(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2848 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2849 if (ok < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2850 res = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2851 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2852 if (ok)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2853 res = Py_False;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2854 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2855 res = Py_True;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2856 Py_INCREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2857 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2858 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2859 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2860
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2861 default:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2862 res = Py_NotImplemented;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2863 Py_INCREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2864 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2865 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2866
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2867 return res;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2868 }
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2869
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2870 static PyObject *
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2871 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
2872 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2873 Py_INCREF(Py_TYPE(self));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2874 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
2875 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2876
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2877 static int
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2878 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
2879 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2880 return a == b ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2881 (a != NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2882 b != NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2883 a->tp_basicsize == b->tp_basicsize &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2884 a->tp_itemsize == b->tp_itemsize &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2885 a->tp_dictoffset == b->tp_dictoffset &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2886 a->tp_weaklistoffset == b->tp_weaklistoffset &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2887 ((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
2888 (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
2889 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2890
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2891 static int
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2892 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
2893 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2894 PyTypeObject *base = a->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2895 Py_ssize_t size;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2896 PyObject *slots_a, *slots_b;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2897
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2898 if (base != b->tp_base)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2899 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2900 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
2901 return 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2902 size = base->tp_basicsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2903 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
2904 size += sizeof(PyObject *);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2905 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
2906 size += sizeof(PyObject *);
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 /* Check slots compliance */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2909 slots_a = ((PyHeapTypeObject *)a)->ht_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2910 slots_b = ((PyHeapTypeObject *)b)->ht_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2911 if (slots_a && slots_b) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2912 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
2913 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2914 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
2915 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2916 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
2917 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2918
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2919 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
2920 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
2921 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2922 PyTypeObject *newbase, *oldbase;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2923
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2924 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
2925 newto->tp_free != oldto->tp_free)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2926 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2927 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2928 "%s assignment: "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2929 "'%s' deallocator differs from '%s'",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2930 attr,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2931 newto->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2932 oldto->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2933 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2934 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2935 newbase = newto;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2936 oldbase = oldto;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2937 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
2938 newbase = newbase->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2939 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
2940 oldbase = oldbase->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2941 if (newbase != oldbase &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2942 (newbase->tp_base != oldbase->tp_base ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2943 !same_slots_added(newbase, oldbase))) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2944 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2945 "%s assignment: "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2946 "'%s' object layout differs from '%s'",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2947 attr,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2948 newto->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2949 oldto->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2950 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2951 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2952
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2953 return 1;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2954 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2955
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2956 static int
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2957 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
2958 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2959 PyTypeObject *oldto = Py_TYPE(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2960 PyTypeObject *newto;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2961
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2962 if (value == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2963 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2964 "can't delete __class__ attribute");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2965 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2966 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2967 if (!PyType_Check(value)) {
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 "__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
2970 Py_TYPE(value)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2971 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2972 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2973 newto = (PyTypeObject *)value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2974 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
2975 !(oldto->tp_flags & Py_TPFLAGS_HEAPTYPE))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2976 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2977 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2978 "__class__ assignment: only for heap types");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2979 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2980 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2981 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
2982 Py_INCREF(newto);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2983 Py_TYPE(self) = newto;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2984 Py_DECREF(oldto);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2985 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2986 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2987 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2988 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2989 }
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2990 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2991
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2992 static PyGetSetDef object_getsets[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2993 {"__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
2994 PyDoc_STR("the object's class")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2995 {0}
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2996 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2997
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2998
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2999 /* 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
3000 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
3001 - pickle protocols < 2
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3002 - 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
3003 - 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
3004 */
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3005
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3006 static PyObject *
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3007 import_copyreg(void)
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3008 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3009 static PyObject *copyreg_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3010
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3011 if (!copyreg_str) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3012 copyreg_str = PyUnicode_InternFromString("copyreg");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3013 if (copyreg_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3014 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3015 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3016
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3017 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
3018 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3019
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3020 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3021 slotnames(PyObject *cls)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3022 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3023 PyObject *clsdict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3024 PyObject *copyreg;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3025 PyObject *slotnames;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3026
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3027 if (!PyType_Check(cls)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3028 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3029 return Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3030 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3031
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3032 clsdict = ((PyTypeObject *)cls)->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3033 slotnames = PyDict_GetItemString(clsdict, "__slotnames__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3034 if (slotnames != NULL && PyList_Check(slotnames)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3035 Py_INCREF(slotnames);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3036 return slotnames;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3037 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3038
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3039 copyreg = import_copyreg();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3040 if (copyreg == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3041 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3042
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3043 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
3044 Py_DECREF(copyreg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3045 if (slotnames != NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3046 slotnames != Py_None &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3047 !PyList_Check(slotnames))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3048 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3049 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3050 "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
3051 Py_DECREF(slotnames);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3052 slotnames = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3053 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3054
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3055 return slotnames;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3056 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3057
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3058 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3059 reduce_2(PyObject *obj)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3060 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3061 PyObject *cls, *getnewargs;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3062 PyObject *args = NULL, *args2 = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3063 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
3064 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
3065 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
3066 Py_ssize_t i, n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3067
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3068 cls = PyObject_GetAttrString(obj, "__class__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3069 if (cls == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3070 return NULL;
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 getnewargs = PyObject_GetAttrString(obj, "__getnewargs__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3073 if (getnewargs != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3074 args = PyObject_CallObject(getnewargs, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3075 Py_DECREF(getnewargs);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3076 if (args != NULL && !PyTuple_Check(args)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3077 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3078 "__getnewargs__ should return a tuple, "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3079 "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
3080 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3081 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3082 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3083 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3084 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3085 args = PyTuple_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3086 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3087 if (args == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3088 goto end;
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 getstate = PyObject_GetAttrString(obj, "__getstate__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3091 if (getstate != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3092 state = PyObject_CallObject(getstate, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3093 Py_DECREF(getstate);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3094 if (state == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3095 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3096 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3097 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3098 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3099 state = PyObject_GetAttrString(obj, "__dict__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3100 if (state == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3101 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3102 state = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3103 Py_INCREF(state);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3104 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3105 names = slotnames(cls);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3106 if (names == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3107 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3108 if (names != Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3109 assert(PyList_Check(names));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3110 slots = PyDict_New();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3111 if (slots == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3112 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3113 n = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3114 /* 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
3115 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
3116 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
3117 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
3118 PyObject *name, *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3119 name = PyList_GET_ITEM(names, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3120 value = PyObject_GetAttr(obj, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3121 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3122 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3123 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3124 int err = PyDict_SetItem(slots, name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3125 value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3126 Py_DECREF(value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3127 if (err)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3128 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3129 n++;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3130 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3131 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3132 if (n) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3133 state = Py_BuildValue("(NO)", state, slots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3134 if (state == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3135 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3136 }
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 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3139
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3140 if (!PyList_Check(obj)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3141 listitems = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3142 Py_INCREF(listitems);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3143 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3144 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3145 listitems = PyObject_GetIter(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3146 if (listitems == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3147 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3148 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3149
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3150 if (!PyDict_Check(obj)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3151 dictitems = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3152 Py_INCREF(dictitems);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3153 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3154 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3155 PyObject *items = PyObject_CallMethod(obj, "items", "");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3156 if (items == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3157 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3158 dictitems = PyObject_GetIter(items);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3159 Py_DECREF(items);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3160 if (dictitems == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3161 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3162 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3163
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3164 copyreg = import_copyreg();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3165 if (copyreg == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3166 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3167 newobj = PyObject_GetAttrString(copyreg, "__newobj__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3168 if (newobj == NULL)
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
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3171 n = PyTuple_GET_SIZE(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3172 args2 = PyTuple_New(n+1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3173 if (args2 == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3174 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3175 PyTuple_SET_ITEM(args2, 0, cls);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3176 cls = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3177 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3178 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
3179 Py_INCREF(v);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3180 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
3181 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3182
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3183 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
3184
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3185 end:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3186 Py_XDECREF(cls);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3187 Py_XDECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3188 Py_XDECREF(args2);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3189 Py_XDECREF(slots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3190 Py_XDECREF(state);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3191 Py_XDECREF(names);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3192 Py_XDECREF(listitems);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3193 Py_XDECREF(dictitems);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3194 Py_XDECREF(copyreg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3195 Py_XDECREF(newobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3196 return res;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3197 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3198
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3199 /*
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3200 * 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
3201 * were implemented in the same function:
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3202 * - 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
3203 * 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
3204 * 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
3205 * - 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
3206 * __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
3207 * and eventual segfault.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3208 *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3209 * 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
3210 * 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
3211 * 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
3212 * function.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3213 */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3214 static PyObject *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3215 _common_reduce(PyObject *self, int proto)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3216 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3217 PyObject *copyreg, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3218
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3219 if (proto >= 2)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3220 return reduce_2(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3221
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3222 copyreg = import_copyreg();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3223 if (!copyreg)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3224 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3225
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3226 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
3227 Py_DECREF(copyreg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3228
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3229 return res;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3230 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3231
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3232 static PyObject *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3233 object_reduce(PyObject *self, PyObject *args)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3234 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3235 int proto = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3236
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3237 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
3238 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3239
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3240 return _common_reduce(self, proto);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3241 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3242
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3243 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3244 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
3245 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3246 PyObject *reduce, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3247 int proto = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3248
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3249 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
3250 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3251
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3252 reduce = PyObject_GetAttrString(self, "__reduce__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3253 if (reduce == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3254 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3255 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3256 PyObject *cls, *clsreduce, *objreduce;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3257 int override;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3258 cls = PyObject_GetAttrString(self, "__class__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3259 if (cls == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3260 Py_DECREF(reduce);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3261 return NULL;
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 clsreduce = PyObject_GetAttrString(cls, "__reduce__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3264 Py_DECREF(cls);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3265 if (clsreduce == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3266 Py_DECREF(reduce);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3267 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3268 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3269 objreduce = PyDict_GetItemString(PyBaseObject_Type.tp_dict,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3270 "__reduce__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3271 override = (clsreduce != objreduce);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3272 Py_DECREF(clsreduce);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3273 if (override) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3274 res = PyObject_CallObject(reduce, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3275 Py_DECREF(reduce);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3276 return res;
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 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3279 Py_DECREF(reduce);
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
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3282 return _common_reduce(self, proto);
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3283 }
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3284
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
3285 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
3286 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
3287 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3288 Py_INCREF(Py_NotImplemented);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3289 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
3290 }
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
3291
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
3292 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
3293 "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
3294 "\n"
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Christian Heimes <christian@cheimes.de>
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diff changeset
3295 "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>
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diff changeset
3296 "It should return True, False or NotImplemented. If it returns\n"
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Christian Heimes <christian@cheimes.de>
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diff changeset
3297 "NotImplemented, the normal algorithm is used. Otherwise, it\n"
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Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
3298 "overrides the normal algorithm (and the outcome is cached).\n");
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5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
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diff changeset
3299
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3300 /*
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3301 from PEP 3101, this code implements:
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3302
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3303 class object:
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3304 def __format__(self, format_spec):
61466
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diff changeset
3305 return format(str(self), format_spec)
42817
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3306 */
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3307 static PyObject *
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3308 object_format(PyObject *self, PyObject *args)
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3309 {
61466
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diff changeset
3310 PyObject *format_spec;
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diff changeset
3311 PyObject *self_as_str = NULL;
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parents: 59538
diff changeset
3312 PyObject *result = NULL;
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diff changeset
3313
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diff changeset
3314 if (!PyArg_ParseTuple(args, "U:__format__", &format_spec))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
3315 return NULL;
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diff changeset
3316
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diff changeset
3317 self_as_str = PyObject_Str(self);
62088
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Benjamin Peterson <benjamin@python.org>
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diff changeset
3318 if (self_as_str != NULL)
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Benjamin Peterson <benjamin@python.org>
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diff changeset
3319 result = PyObject_Format(self_as_str, format_spec);
61466
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diff changeset
3320
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diff changeset
3321 Py_XDECREF(self_as_str);
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diff changeset
3322
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diff changeset
3323 return result;
42817
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3324 }
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3325
47466
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Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3326 static PyObject *
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3327 object_sizeof(PyObject *self, PyObject *args)
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Martin v. Löwis <martin@v.loewis.de>
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diff changeset
3328 {
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diff changeset
3329 Py_ssize_t res, isize;
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diff changeset
3330
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diff changeset
3331 res = 0;
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diff changeset
3332 isize = self->ob_type->tp_itemsize;
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diff changeset
3333 if (isize > 0)
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diff changeset
3334 res = Py_SIZE(self->ob_type) * isize;
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diff changeset
3335 res += self->ob_type->tp_basicsize;
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diff changeset
3336
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diff changeset
3337 return PyLong_FromSsize_t(res);
47466
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Martin v. Löwis <martin@v.loewis.de>
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diff changeset
3338 }
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Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3339
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3340 static PyMethodDef object_methods[] = {
61466
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diff changeset
3341 {"__reduce_ex__", object_reduce_ex, METH_VARARGS,
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parents: 59538
diff changeset
3342 PyDoc_STR("helper for pickle")},
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diff changeset
3343 {"__reduce__", object_reduce, METH_VARARGS,
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diff changeset
3344 PyDoc_STR("helper for pickle")},
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diff changeset
3345 {"__subclasshook__", object_subclasshook, METH_CLASS | METH_VARARGS,
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diff changeset
3346 object_subclasshook_doc},
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3347 {"__format__", object_format, METH_VARARGS,
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diff changeset
3348 PyDoc_STR("default object formatter")},
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diff changeset
3349 {"__sizeof__", object_sizeof, METH_NOARGS,
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diff changeset
3350 PyDoc_STR("__sizeof__() -> size of object in memory, in bytes")},
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parents: 59538
diff changeset
3351 {0}
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3352 };
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3353
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3354
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diff changeset
3355 PyTypeObject PyBaseObject_Type = {
61466
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diff changeset
3356 PyVarObject_HEAD_INIT(&PyType_Type, 0)
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parents: 59538
diff changeset
3357 "object", /* tp_name */
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diff changeset
3358 sizeof(PyObject), /* tp_basicsize */
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diff changeset
3359 0, /* tp_itemsize */
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diff changeset
3360 object_dealloc, /* tp_dealloc */
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diff changeset
3361 0, /* tp_print */
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parents: 59538
diff changeset
3362 0, /* tp_getattr */
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diff changeset
3363 0, /* tp_setattr */
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diff changeset
3364 0, /* tp_reserved */
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parents: 59538
diff changeset
3365 object_repr, /* tp_repr */
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parents: 59538
diff changeset
3366 0, /* tp_as_number */
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diff changeset
3367 0, /* tp_as_sequence */
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diff changeset
3368 0, /* tp_as_mapping */
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diff changeset
3369 (hashfunc)_Py_HashPointer, /* tp_hash */
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diff changeset
3370 0, /* tp_call */
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
3371 object_str, /* tp_str */
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diff changeset
3372 PyObject_GenericGetAttr, /* tp_getattro */
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diff changeset
3373 PyObject_GenericSetAttr, /* tp_setattro */
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diff changeset
3374 0, /* tp_as_buffer */
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parents: 59538
diff changeset
3375 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
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diff changeset
3376 PyDoc_STR("The most base type"), /* tp_doc */
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diff changeset
3377 0, /* tp_traverse */
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diff changeset
3378 0, /* tp_clear */
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parents: 59538
diff changeset
3379 object_richcompare, /* tp_richcompare */
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parents: 59538
diff changeset
3380 0, /* tp_weaklistoffset */
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parents: 59538
diff changeset
3381 0, /* tp_iter */
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parents: 59538
diff changeset
3382 0, /* tp_iternext */
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parents: 59538
diff changeset
3383 object_methods, /* tp_methods */
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parents: 59538
diff changeset
3384 0, /* tp_members */
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parents: 59538
diff changeset
3385 object_getsets, /* tp_getset */
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diff changeset
3386 0, /* tp_base */
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diff changeset
3387 0, /* tp_dict */
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diff changeset
3388 0, /* tp_descr_get */
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diff changeset
3389 0, /* tp_descr_set */
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diff changeset
3390 0, /* tp_dictoffset */
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parents: 59538
diff changeset
3391 object_init, /* tp_init */
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diff changeset
3392 PyType_GenericAlloc, /* tp_alloc */
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diff changeset
3393 object_new, /* tp_new */
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diff changeset
3394 PyObject_Del, /* tp_free */
18933
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parents: 18068
diff changeset
3395 };
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parents: 18068
diff changeset
3396
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3397
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
3398 /* Add the methods from tp_methods to the __dict__ in a type object */
18933
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parents: 18068
diff changeset
3399
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parents: 18068
diff changeset
3400 static int
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diff changeset
3401 add_methods(PyTypeObject *type, PyMethodDef *meth)
09df3254b49d Merge of descr-branch back into trunk.
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diff changeset
3402 {
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diff changeset
3403 PyObject *dict = type->tp_dict;
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diff changeset
3404
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diff changeset
3405 for (; meth->ml_name != NULL; meth++) {
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diff changeset
3406 PyObject *descr;
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diff changeset
3407 if (PyDict_GetItemString(dict, meth->ml_name) &&
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diff changeset
3408 !(meth->ml_flags & METH_COEXIST))
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diff changeset
3409 continue;
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diff changeset
3410 if (meth->ml_flags & METH_CLASS) {
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diff changeset
3411 if (meth->ml_flags & METH_STATIC) {
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diff changeset
3412 PyErr_SetString(PyExc_ValueError,
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diff changeset
3413 "method cannot be both class and static");
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diff changeset
3414 return -1;
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3415 }
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diff changeset
3416 descr = PyDescr_NewClassMethod(type, meth);
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diff changeset
3417 }
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diff changeset
3418 else if (meth->ml_flags & METH_STATIC) {
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diff changeset
3419 PyObject *cfunc = PyCFunction_New(meth, NULL);
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diff changeset
3420 if (cfunc == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3421 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3422 descr = PyStaticMethod_New(cfunc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3423 Py_DECREF(cfunc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3424 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3425 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3426 descr = PyDescr_NewMethod(type, meth);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3427 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3428 if (descr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3429 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3430 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
3431 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3432 Py_DECREF(descr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3433 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3434 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3435 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3436
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3437 static int
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
3438 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
3439 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3440 PyObject *dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3441
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3442 for (; memb->name != NULL; memb++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3443 PyObject *descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3444 if (PyDict_GetItemString(dict, memb->name))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3445 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3446 descr = PyDescr_NewMember(type, memb);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3447 if (descr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3448 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3449 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
3450 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3451 Py_DECREF(descr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3452 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3453 return 0;
18933
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
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3456 static int
20015
ca7af2a5d915 Add optional docstrings to getset descriptors. Fortunately, there's
Guido van Rossum <guido@python.org>
parents: 20012
diff changeset
3457 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
3458 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3459 PyObject *dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3460
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3461 for (; gsp->name != NULL; gsp++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3462 PyObject *descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3463 if (PyDict_GetItemString(dict, gsp->name))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3464 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3465 descr = PyDescr_NewGetSet(type, gsp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3467 if (descr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3468 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3469 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
3470 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3471 Py_DECREF(descr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3472 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3473 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3474 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3475
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3476 static void
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3477 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
3478 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3479
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3480 /* 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
3481 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
3482 (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
3483 (!type->tp_traverse && !type->tp_clear)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3484 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
3485 if (type->tp_traverse == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3486 type->tp_traverse = base->tp_traverse;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3487 if (type->tp_clear == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3488 type->tp_clear = base->tp_clear;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3489 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3490 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3491 /* 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
3492 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
3493 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
3494 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
3495 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
3496 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
3497 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
3498 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
3499 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
3500 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
3501 if (base != &PyBaseObject_Type ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3502 (type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3503 if (type->tp_new == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3504 type->tp_new = base->tp_new;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3505 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3506 }
62806
a7c8b4a6678b cleanup basicsize logic #3268
Benjamin Peterson <benjamin@python.org>
parents: 62088
diff changeset
3507 if (type->tp_basicsize == 0)
a7c8b4a6678b cleanup basicsize logic #3268
Benjamin Peterson <benjamin@python.org>
parents: 62088
diff changeset
3508 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
3509
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3510 /* 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
3511
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3512 #undef COPYVAL
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3513 #define COPYVAL(SLOT) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3514 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
3515
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3516 COPYVAL(tp_itemsize);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3517 COPYVAL(tp_weaklistoffset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3518 COPYVAL(tp_dictoffset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3519
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3520 /* Setup fast subclass flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3521 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
3522 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
3523 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
3524 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
3525 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
3526 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
3527 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
3528 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
3529 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
3530 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
3531 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
3532 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
3533 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
3534 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
3535 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
3536 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
3537 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3538
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
3539 static char *hash_name_op[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3540 "__eq__",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3541 "__hash__",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3542 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
3543 };
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3544
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3545 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
3546 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
3547 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3548 char **p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3549 PyObject *dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3550
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3551 assert(dict != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3552 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
3553 if (PyDict_GetItemString(dict, *p) != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3554 return 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3555 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3556 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
3557 }
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3558
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3559 static void
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3560 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
3561 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3562 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
3563
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3564 #undef SLOTDEFINED
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3565 #undef COPYSLOT
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3566 #undef COPYNUM
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3567 #undef COPYSEQ
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3568 #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
3569 #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
3570
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3571 #define SLOTDEFINED(SLOT) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3572 (base->SLOT != 0 && \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3573 (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
3574
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3575 #define COPYSLOT(SLOT) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3576 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
3577
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3578 #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
3579 #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
3580 #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
3581 #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
3582
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3583 /* 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
3584 if type doesn't provide the space. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3585
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3586 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
3587 basebase = base->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3588 if (basebase->tp_as_number == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3589 basebase = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3590 COPYNUM(nb_add);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3591 COPYNUM(nb_subtract);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3592 COPYNUM(nb_multiply);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3593 COPYNUM(nb_remainder);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3594 COPYNUM(nb_divmod);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3595 COPYNUM(nb_power);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3596 COPYNUM(nb_negative);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3597 COPYNUM(nb_positive);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3598 COPYNUM(nb_absolute);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3599 COPYNUM(nb_bool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3600 COPYNUM(nb_invert);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3601 COPYNUM(nb_lshift);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3602 COPYNUM(nb_rshift);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3603 COPYNUM(nb_and);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3604 COPYNUM(nb_xor);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3605 COPYNUM(nb_or);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3606 COPYNUM(nb_int);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3607 COPYNUM(nb_float);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3608 COPYNUM(nb_inplace_add);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3609 COPYNUM(nb_inplace_subtract);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3610 COPYNUM(nb_inplace_multiply);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3611 COPYNUM(nb_inplace_remainder);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3612 COPYNUM(nb_inplace_power);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3613 COPYNUM(nb_inplace_lshift);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3614 COPYNUM(nb_inplace_rshift);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3615 COPYNUM(nb_inplace_and);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3616 COPYNUM(nb_inplace_xor);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3617 COPYNUM(nb_inplace_or);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3618 COPYNUM(nb_true_divide);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3619 COPYNUM(nb_floor_divide);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3620 COPYNUM(nb_inplace_true_divide);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3621 COPYNUM(nb_inplace_floor_divide);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3622 COPYNUM(nb_index);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3623 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3624
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3625 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
3626 basebase = base->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3627 if (basebase->tp_as_sequence == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3628 basebase = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3629 COPYSEQ(sq_length);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3630 COPYSEQ(sq_concat);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3631 COPYSEQ(sq_repeat);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3632 COPYSEQ(sq_item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3633 COPYSEQ(sq_ass_item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3634 COPYSEQ(sq_contains);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3635 COPYSEQ(sq_inplace_concat);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3636 COPYSEQ(sq_inplace_repeat);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3637 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3638
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3639 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
3640 basebase = base->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3641 if (basebase->tp_as_mapping == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3642 basebase = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3643 COPYMAP(mp_length);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3644 COPYMAP(mp_subscript);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3645 COPYMAP(mp_ass_subscript);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3646 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3647
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3648 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
3649 basebase = base->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3650 if (basebase->tp_as_buffer == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3651 basebase = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3652 COPYBUF(bf_getbuffer);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3653 COPYBUF(bf_releasebuffer);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3654 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3655
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3656 basebase = base->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3657
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3658 COPYSLOT(tp_dealloc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3659 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
3660 type->tp_getattr = base->tp_getattr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3661 type->tp_getattro = base->tp_getattro;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3662 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3663 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
3664 type->tp_setattr = base->tp_setattr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3665 type->tp_setattro = base->tp_setattro;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3666 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3667 /* tp_reserved is ignored */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3668 COPYSLOT(tp_repr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3669 /* tp_hash see tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3670 COPYSLOT(tp_call);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3671 COPYSLOT(tp_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3672 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3673 /* Copy comparison-related slots only when
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3674 not overriding them anywhere */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
3675 if (type->tp_richcompare == NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3676 type->tp_hash == NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3677 !overrides_hash(type))
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3678 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3679 type->tp_richcompare = base->tp_richcompare;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3680 type->tp_hash = base->tp_hash;
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 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3684 COPYSLOT(tp_iter);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3685 COPYSLOT(tp_iternext);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3686 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3687 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3688 COPYSLOT(tp_descr_get);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3689 COPYSLOT(tp_descr_set);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3690 COPYSLOT(tp_dictoffset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3691 COPYSLOT(tp_init);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3692 COPYSLOT(tp_alloc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3693 COPYSLOT(tp_is_gc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3694 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
3695 (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
3696 /* They agree about gc. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3697 COPYSLOT(tp_free);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3698 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3699 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
3700 type->tp_free == NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3701 base->tp_free == PyObject_Free) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3702 /* 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
3703 * 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
3704 * 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
3705 * default non-gc tp_free.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3706 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3707 type->tp_free = PyObject_GC_Del;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3708 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3709 /* 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
3710 * 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
3711 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3712 }
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3713 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3714
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
3715 static int add_operators(PyTypeObject *);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3716
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3717 int
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 19036
diff changeset
3718 PyType_Ready(PyTypeObject *type)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3719 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3720 PyObject *dict, *bases;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3721 PyTypeObject *base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3722 Py_ssize_t i, n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3723
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3724 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
3725 assert(type->tp_dict != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3726 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3727 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3728 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
3729
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3730 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
3731
28389
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3732 #ifdef Py_TRACE_REFS
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3733 /* 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
3734 * 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
3735 * 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
3736 * 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
3737 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3738 _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
3739 #endif
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3740
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3741 /* 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
3742 base = type->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3743 if (base == NULL && type != &PyBaseObject_Type) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3744 base = type->tp_base = &PyBaseObject_Type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3745 Py_INCREF(base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3746 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3747
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3748 /* 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
3749 * &PyBaseObject_Type.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3750 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3751
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3752 /* Initialize the base class */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3753 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
3754 if (PyType_Ready(base) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3755 goto error;
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
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3758 /* 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
3759 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
3760 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
3761 /* 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
3762 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
3763 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
3764 know that. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3765 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
3766 Py_TYPE(type) = Py_TYPE(base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3767
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3768 /* Initialize tp_bases */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3769 bases = type->tp_bases;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3770 if (bases == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3771 if (base == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3772 bases = PyTuple_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3773 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3774 bases = PyTuple_Pack(1, base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3775 if (bases == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3776 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3777 type->tp_bases = bases;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3778 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3779
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3780 /* Initialize tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3781 dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3782 if (dict == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3783 dict = PyDict_New();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3784 if (dict == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3785 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3786 type->tp_dict = dict;
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
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3789 /* 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
3790 if (add_operators(type) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3791 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3792 if (type->tp_methods != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3793 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
3794 goto error;
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 if (type->tp_members != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3797 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
3798 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3799 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3800 if (type->tp_getset != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3801 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
3802 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3803 }
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 /* Calculate method resolution order */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3806 if (mro_internal(type) < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3807 goto error;
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 /* Inherit special flags from dominant base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3811 if (type->tp_base != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3812 inherit_special(type, type->tp_base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3813
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3814 /* Initialize tp_dict properly */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3815 bases = type->tp_mro;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3816 assert(bases != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3817 assert(PyTuple_Check(bases));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3818 n = PyTuple_GET_SIZE(bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3819 for (i = 1; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3820 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
3821 if (PyType_Check(b))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3822 inherit_slots(type, (PyTypeObject *)b);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3823 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3824
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3825 /* Sanity check for tp_free. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3826 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
3827 (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
3828 /* 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
3829 * 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
3830 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3831 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
3832 "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
3833 "tp_free slot",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3834 type->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3835 goto error;
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 /* 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
3839 the tp_doc slot.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3840 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3841 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
3842 if (type->tp_doc != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3843 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
3844 if (doc == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3845 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3846 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
3847 Py_DECREF(doc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3848 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3849 PyDict_SetItemString(type->tp_dict,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3850 "__doc__", Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3851 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3852 }
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 /* Hack for tp_hash and __hash__.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3855 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
3856 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
3857 tp_dict['__hash__'] equal to None.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3858 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
3859 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3860 if (type->tp_hash == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3861 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
3862 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
3863 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3864 type->tp_hash = PyObject_HashNotImplemented;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3865 }
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 /* Some more special stuff */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3869 base = type->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3870 if (base != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3871 if (type->tp_as_number == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3872 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
3873 if (type->tp_as_sequence == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3874 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
3875 if (type->tp_as_mapping == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3876 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
3877 if (type->tp_as_buffer == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3878 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
3879 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3880
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3881 /* 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
3882 bases = type->tp_bases;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3883 n = PyTuple_GET_SIZE(bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3884 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3885 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
3886 if (PyType_Check(b) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3887 add_subclass((PyTypeObject *)b, type) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3888 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3889 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3890
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3891 /* 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
3892 tp_reserved) but not tp_richcompare. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3893 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
3894 int error;
63949
fa2d9720a66c Issue #9425: Create PyErr_WarnFormat() function
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63114
diff changeset
3895 error = PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
fa2d9720a66c Issue #9425: Create PyErr_WarnFormat() function
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63114
diff changeset
3896 "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
3897 "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
3898 type->tp_name);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3899 if (error == -1)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3900 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3901 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3902
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3903 /* All done -- set the ready flag */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3904 assert(type->tp_dict != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3905 type->tp_flags =
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3906 (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
3907 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
3908
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3909 error:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3910 type->tp_flags &= ~Py_TPFLAGS_READYING;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3911 return -1;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3912 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3913
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3914 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
3915 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
3916 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3917 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3918 int result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3919 PyObject *list, *ref, *newobj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3920
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3921 list = base->tp_subclasses;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3922 if (list == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3923 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
3924 if (list == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3925 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3926 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3927 assert(PyList_Check(list));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3928 newobj = PyWeakref_NewRef((PyObject *)type, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3929 i = PyList_GET_SIZE(list);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3930 while (--i >= 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3931 ref = PyList_GET_ITEM(list, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3932 assert(PyWeakref_CheckRef(ref));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3933 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
3934 return PyList_SetItem(list, i, newobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3935 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3936 result = PyList_Append(list, newobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3937 Py_DECREF(newobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3938 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
3939 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3940
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3941 static void
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3942 remove_subclass(PyTypeObject *base, PyTypeObject *type)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3943 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3944 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3945 PyObject *list, *ref;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3946
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3947 list = base->tp_subclasses;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3948 if (list == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3949 return;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3950 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3951 assert(PyList_Check(list));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3952 i = PyList_GET_SIZE(list);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3953 while (--i >= 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3954 ref = PyList_GET_ITEM(list, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3955 assert(PyWeakref_CheckRef(ref));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3956 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
3957 /* this can't fail, right? */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3958 PySequence_DelItem(list, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3959 return;
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 }
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3962 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3963
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3964 static int
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3965 check_num_args(PyObject *ob, int n)
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3966 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3967 if (!PyTuple_CheckExact(ob)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3968 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3969 "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
3970 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3971 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3972 if (n == PyTuple_GET_SIZE(ob))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3973 return 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3974 PyErr_Format(
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3975 PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3976 "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
3977 return 0;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3978 }
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3979
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3980 /* 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
3981
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3982 /* 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
3983 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
3984 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
3985 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
3986 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
3987
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3988 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
3989 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
3990 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3991 lenfunc func = (lenfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3992 Py_ssize_t res;
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 if (!check_num_args(args, 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3995 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3996 res = (*func)(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3997 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3998 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3999 return PyLong_FromLong((long)res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4000 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4001
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4002 static PyObject *
30670
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4003 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
4004 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4005 inquiry func = (inquiry)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4006 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4007
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4008 if (!check_num_args(args, 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4009 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4010 res = (*func)(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4011 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4012 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4013 return PyBool_FromLong((long)res);
30670
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4014 }
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4015
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4016 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4017 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
4018 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4019 binaryfunc func = (binaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4020 PyObject *other;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4021
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4022 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4023 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4024 other = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4025 return (*func)(self, other);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4026 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4027
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4028 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
4029 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
4030 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4031 binaryfunc func = (binaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4032 PyObject *other;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4033
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4034 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4035 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4036 other = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4037 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
4038 }
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4039
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4040 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4041 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
4042 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4043 binaryfunc func = (binaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4044 PyObject *other;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4045
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4046 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4047 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4048 other = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4049 if (!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
4050 Py_INCREF(Py_NotImplemented);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4051 return Py_NotImplemented;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4052 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4053 return (*func)(other, self);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4054 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4055
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4056 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4057 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
4058 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4059 ternaryfunc func = (ternaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4060 PyObject *other;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4061 PyObject *third = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4062
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4063 /* 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
4064
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4065 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
4066 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4067 return (*func)(self, other, third);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4068 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4069
20168
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4070 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
4071 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
4072 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4073 ternaryfunc func = (ternaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4074 PyObject *other;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4075 PyObject *third = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4076
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4077 /* 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
4078
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4079 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
4080 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4081 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
4082 }
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4083
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4084 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4085 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
4086 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4087 unaryfunc func = (unaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4088
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4089 if (!check_num_args(args, 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4090 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4091 return (*func)(self);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4092 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4093
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4094 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
4095 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
4096 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4097 ssizeargfunc func = (ssizeargfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4098 PyObject* o;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4099 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4100
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4101 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
4102 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4103 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
4104 if (i == -1 && PyErr_Occurred())
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 return (*func)(self, i);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4107 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4108
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4109 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
4110 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
4111 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4112 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4113
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4114 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
4115 if (i == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4116 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4117 if (i < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4118 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
4119 if (sq && sq->sq_length) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4120 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
4121 if (n < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4122 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4123 i += n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4124 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4125 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4126 return i;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4127 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4128
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4129 static PyObject *
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4130 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
4131 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4132 ssizeargfunc func = (ssizeargfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4133 PyObject *arg;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4134 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4135
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4136 if (PyTuple_GET_SIZE(args) == 1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4137 arg = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4138 i = getindex(self, arg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4139 if (i == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4140 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4141 return (*func)(self, i);
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 check_num_args(args, 1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4144 assert(PyErr_Occurred());
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4145 return NULL;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4146 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4147
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4148 static PyObject *
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4149 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
4150 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4151 ssizeobjargproc func = (ssizeobjargproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4152 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4153 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4154 PyObject *arg, *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4155
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4156 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
4157 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4158 i = getindex(self, arg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4159 if (i == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4160 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4161 res = (*func)(self, i, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4162 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4163 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4164 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4165 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4166 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4167
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4168 static PyObject *
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4169 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
4170 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4171 ssizeobjargproc func = (ssizeobjargproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4172 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4173 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4174 PyObject *arg;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4175
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4176 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4177 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4178 arg = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4179 i = getindex(self, arg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4180 if (i == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4181 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4182 res = (*func)(self, i, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4183 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4184 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4185 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4186 return Py_None;
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4187 }
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4188
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4189 /* 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
4190 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4191 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
4192 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4193 objobjproc func = (objobjproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4194 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4195 PyObject *value;
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 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4198 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4199 value = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4200 res = (*func)(self, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4201 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4202 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4203 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4204 return PyBool_FromLong(res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4205 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4206
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4207 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4208 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
4209 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4210 objobjargproc func = (objobjargproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4211 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4212 PyObject *key, *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4213
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4214 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
4215 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4216 res = (*func)(self, key, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4217 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4218 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4219 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4220 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4221 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4222
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4223 static PyObject *
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4224 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
4225 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4226 objobjargproc func = (objobjargproc)wrapped;
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 *key;
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 key = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4233 res = (*func)(self, key, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4234 if (res == -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 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4237 return Py_None;
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4238 }
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4239
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4240 /* 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
4241 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
4242 static int
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4243 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
4244 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4245 PyTypeObject *type = Py_TYPE(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4246 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
4247 type = type->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4248 /* 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
4249 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
4250 if (type && type->tp_setattro != func) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4251 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4252 "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
4253 what,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4254 type->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4255 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4256 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4257 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
4258 }
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4259
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4260 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4261 wrap_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
4262 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4263 setattrofunc func = (setattrofunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4264 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4265 PyObject *name, *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4266
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4267 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
4268 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4269 if (!hackcheck(self, func, "__setattr__"))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4270 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4271 res = (*func)(self, name, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4272 if (res < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4273 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4274 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4275 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4276 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4277
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4278 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4279 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
4280 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4281 setattrofunc func = (setattrofunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4282 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4283 PyObject *name;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4284
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4285 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4286 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4287 name = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4288 if (!hackcheck(self, func, "__delattr__"))
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 res = (*func)(self, name, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4291 if (res < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4292 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4293 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4294 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4295 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4296
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4297 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4298 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
4299 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4300 hashfunc func = (hashfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4301 long res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4302
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4303 if (!check_num_args(args, 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4304 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4305 res = (*func)(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4306 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4307 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4308 return PyLong_FromLong(res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4309 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4310
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4311 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
4312 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
4313 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4314 ternaryfunc func = (ternaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4315
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4316 return (*func)(self, args, kwds);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4317 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4318
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4319 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4320 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
4321 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4322 richcmpfunc func = (richcmpfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4323 PyObject *other;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4324
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4325 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4326 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4327 other = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4328 return (*func)(self, other, op);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4329 }
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 #undef RICHCMP_WRAPPER
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4332 #define RICHCMP_WRAPPER(NAME, OP) \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4333 static PyObject * \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4334 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
4335 { \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4336 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
4337 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4338
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
4339 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
4340 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
4341 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
4342 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
4343 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
4344 RICHCMP_WRAPPER(ge, Py_GE)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4345
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4346 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4347 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
4348 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4349 unaryfunc func = (unaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4350 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4351
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4352 if (!check_num_args(args, 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4353 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4354 res = (*func)(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4355 if (res == NULL && !PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4356 PyErr_SetNone(PyExc_StopIteration);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4357 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4358 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4359
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4360 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4361 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
4362 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4363 descrgetfunc func = (descrgetfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4364 PyObject *obj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4365 PyObject *type = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4366
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4367 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
4368 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4369 if (obj == Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4370 obj = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4371 if (type == Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4372 type = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4373 if (type == NULL &&obj == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4374 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4375 "__get__(None, None) is invalid");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4376 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4377 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4378 return (*func)(self, obj, type);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4379 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4380
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4381 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
4382 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
4383 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4384 descrsetfunc func = (descrsetfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4385 PyObject *obj, *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4386 int ret;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4387
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4388 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
4389 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4390 ret = (*func)(self, obj, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4391 if (ret < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4392 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4393 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4394 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4395 }
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
4396
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4397 static PyObject *
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4398 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
4399 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4400 descrsetfunc func = (descrsetfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4401 PyObject *obj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4402 int ret;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4403
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4404 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4405 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4406 obj = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4407 ret = (*func)(self, obj, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4408 if (ret < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4409 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4410 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4411 return Py_None;
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4412 }
18933
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 *
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
4415 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
4416 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4417 initproc func = (initproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4418
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4419 if (func(self, args, kwds) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4420 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4421 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4422 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4423 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4424
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4425 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
4426 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
4427 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4428 PyTypeObject *type, *subtype, *staticbase;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4429 PyObject *arg0, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4430
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4431 if (self == NULL || !PyType_Check(self))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4432 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
4433 type = (PyTypeObject *)self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4434 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
4435 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4436 "%s.__new__(): not enough arguments",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4437 type->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4438 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4439 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4440 arg0 = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4441 if (!PyType_Check(arg0)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4442 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4443 "%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
4444 type->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4445 Py_TYPE(arg0)->tp_name);
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 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4448 subtype = (PyTypeObject *)arg0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4449 if (!PyType_IsSubtype(subtype, type)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4450 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4451 "%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
4452 type->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4453 subtype->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4454 subtype->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4455 type->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4456 return NULL;
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
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4459 /* 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
4460 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
4461 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
4462 staticbase = subtype;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4463 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
4464 staticbase = staticbase->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4465 /* 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
4466 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
4467 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
4468 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4469 "%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
4470 type->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4471 subtype->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4472 staticbase == NULL ? "?" : staticbase->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4473 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4474 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4475
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4476 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
4477 if (args == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4478 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4479 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
4480 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4481 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4482 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4483
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
4484 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
4485 {"__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
4486 PyDoc_STR("T.__new__(S, ...) -> "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4487 "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
4488 {0}
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4489 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4490
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4491 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
4492 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
4493 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4494 PyObject *func;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4495
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4496 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
4497 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4498 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
4499 if (func == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4500 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4501 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
4502 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4503 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4504 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4505 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4506 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
4507 }
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4508
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4509 /* Slot wrappers that call the corresponding __foo__ slot. See comments
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4510 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
4511
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4512 #define SLOT0(FUNCNAME, OPSTR) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4513 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4514 FUNCNAME(PyObject *self) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4515 { \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4516 static PyObject *cache_str; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4517 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
4518 }
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4519
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4520 #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
4521 static PyObject * \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4522 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
4523 { \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4524 static PyObject *cache_str; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4525 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
4526 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4527
27124
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4528 /* 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
4529 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
4530 static int
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4531 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
4532 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4533 PyObject *a, *b;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4534 int ok;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4535
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4536 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
4537 if (b == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4538 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4539 /* 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
4540 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4541 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4542
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4543 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
4544 if (a == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4545 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4546 Py_DECREF(b);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4547 /* 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
4548 return 1;
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
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4551 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
4552 Py_DECREF(a);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4553 Py_DECREF(b);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4554 if (ok < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4555 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4556 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4557 }
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 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
4560 }
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4561
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4562
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4563 #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
4564 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4565 FUNCNAME(PyObject *self, PyObject *other) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4566 { \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4567 static PyObject *cache_str, *rcache_str; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4568 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
4569 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
4570 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
4571 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
4572 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
4573 PyObject *r; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4574 if (do_other && \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4575 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
4576 method_is_overloaded(self, other, ROPSTR)) { \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4577 r = call_maybe( \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4578 other, ROPSTR, &rcache_str, "(O)", self); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4579 if (r != Py_NotImplemented) \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4580 return r; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4581 Py_DECREF(r); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4582 do_other = 0; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4583 } \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4584 r = call_maybe( \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4585 self, OPSTR, &cache_str, "(O)", other); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4586 if (r != Py_NotImplemented || \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4587 Py_TYPE(other) == Py_TYPE(self)) \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4588 return r; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4589 Py_DECREF(r); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4590 } \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4591 if (do_other) { \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4592 return call_maybe( \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4593 other, ROPSTR, &rcache_str, "(O)", self); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4594 } \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4595 Py_INCREF(Py_NotImplemented); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4596 return Py_NotImplemented; \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4597 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4598
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4599 #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
4600 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
4601
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4602 #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
4603 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4604 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
4605 { \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4606 static PyObject *cache_str; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4607 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
4608 "(" ARGCODES ")", arg1, arg2); \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4609 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4610
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4611 static Py_ssize_t
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4612 slot_sq_length(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4613 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4614 static PyObject *len_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4615 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
4616 Py_ssize_t len;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4617
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4618 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4619 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4620 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
4621 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4622 if (len < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4623 if (!PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4624 PyErr_SetString(PyExc_ValueError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4625 "__len__() should return >= 0");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4626 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4627 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4628 return len;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4629 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4630
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4631 /* 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
4632 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
4633 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4634 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
4635 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4636 static PyObject *getitem_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4637 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
4638 descrgetfunc f;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4639
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4640 if (getitem_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4641 getitem_str = PyUnicode_InternFromString("__getitem__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4642 if (getitem_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4643 return NULL;
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 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
4646 if (func != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4647 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
4648 Py_INCREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4649 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4650 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
4651 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4652 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4653 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4654 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4655 ival = PyLong_FromSsize_t(i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4656 if (ival != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4657 args = PyTuple_New(1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4658 if (args != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4659 PyTuple_SET_ITEM(args, 0, ival);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4660 retval = PyObject_Call(func, args, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4661 Py_XDECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4662 Py_XDECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4663 return retval;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4664 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4665 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4666 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4667 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4668 PyErr_SetObject(PyExc_AttributeError, getitem_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4669 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4670 Py_XDECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4671 Py_XDECREF(ival);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4672 Py_XDECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4673 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
4674 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4675
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4676 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4677 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
4678 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4679 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4680 static PyObject *delitem_str, *setitem_str;
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 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4683 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
4684 "(n)", index);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4685 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4686 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
4687 "(nO)", index, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4688 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4689 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4690 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4691 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4692 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4693
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4694 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4695 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
4696 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4697 PyObject *func, *res, *args;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4698 int result = -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4699
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4700 static PyObject *contains_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4701
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4702 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
4703 if (func != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4704 args = PyTuple_Pack(1, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4705 if (args == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4706 res = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4707 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4708 res = PyObject_Call(func, args, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4709 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4710 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4711 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4712 if (res != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4713 result = PyObject_IsTrue(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4714 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4715 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4716 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4717 else if (! PyErr_Occurred()) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4718 /* Possible results: -1 and 1 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4719 result = (int)_PySequence_IterSearch(self, value,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4720 PY_ITERSEARCH_CONTAINS);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4721 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4722 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4723 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4724
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4725 #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
4726
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4727 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
4728
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4729 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4730 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
4731 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4732 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4733 static PyObject *delitem_str, *setitem_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4734
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4735 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4736 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
4737 "(O)", key);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4738 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4739 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
4740 "(OO)", key, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4741 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4742 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4743 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4744 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4745 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4746
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4747 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
4748 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
4749 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
4750 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
4751 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
4752
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
4753 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
4754
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4755 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
4756 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
4757
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4758 static PyObject *
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4759 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
4760 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4761 static PyObject *pow_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4762
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4763 if (modulus == Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4764 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
4765 /* 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
4766 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
4767 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
4768 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
4769 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
4770 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
4771 "(OO)", other, modulus);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4772 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4773 Py_INCREF(Py_NotImplemented);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4774 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
4775 }
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4776
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4777 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
4778 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
4779 SLOT0(slot_nb_absolute, "__abs__")
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4780
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4781 static int
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4782 slot_nb_bool(PyObject *self)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4783 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4784 PyObject *func, *args;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4785 static PyObject *bool_str, *len_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4786 int result = -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4787 int using_len = 0;
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 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
4790 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4791 if (PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4792 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4793 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
4794 if (func == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4795 return PyErr_Occurred() ? -1 : 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4796 using_len = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4797 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4798 args = PyTuple_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4799 if (args != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4800 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
4801 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4802 if (temp != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4803 if (using_len) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4804 /* enforced by slot_nb_len */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4805 result = PyObject_IsTrue(temp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4806 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4807 else if (PyBool_Check(temp)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4808 result = PyObject_IsTrue(temp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4809 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4810 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4811 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4812 "__bool__ should return "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4813 "bool, returned %s",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4814 Py_TYPE(temp)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4815 result = -1;
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 Py_DECREF(temp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4818 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4819 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4820 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4821 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4822 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4823
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4824
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39603
diff changeset
4825 static PyObject *
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4826 slot_nb_index(PyObject *self)
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4827 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4828 static PyObject *index_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4829 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
4830 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4831
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4832
19082
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_invert, "__invert__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4834 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
4835 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
4836 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
4837 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
4838 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
4839
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4840 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
4841 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
4842 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
4843 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
4844 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
4845 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
4846 /* 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
4847 static PyObject *
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4848 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
4849 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4850 static PyObject *cache_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4851 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
4852 }
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4853 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
4854 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
4855 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
4856 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
4857 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
4858 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
4859 "__floordiv__", "__rfloordiv__")
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4860 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
4861 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
4862 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
4863
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4864 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4865 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
4866 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4867 PyObject *func, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4868 static PyObject *repr_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4869
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4870 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
4871 if (func != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4872 res = PyEval_CallObject(func, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4873 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4874 return res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4875 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4876 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4877 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
4878 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
4879 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4880
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4881 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4882 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
4883 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4884 PyObject *func, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4885 static PyObject *str_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4886
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4887 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
4888 if (func != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4889 res = PyEval_CallObject(func, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4890 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4891 return res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4892 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4893 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4894 PyObject *ress;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4895 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4896 res = slot_tp_repr(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4897 if (!res)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4898 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4899 ress = _PyUnicode_AsDefaultEncodedString(res, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4900 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4901 return ress;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4902 }
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4903 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4904
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4905 static long
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4906 slot_tp_hash(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4907 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4908 PyObject *func, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4909 static PyObject *hash_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4910 long h;
61873
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4911 int overflow;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4912
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4913 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
4914
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4915 if (func == Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4916 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4917 func = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4918 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4919
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4920 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4921 return PyObject_HashNotImplemented(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4922 }
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 res = PyEval_CallObject(func, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4925 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4926 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4927 return -1;
61873
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4928
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4929 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
4930 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
4931 "__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
4932 return -1;
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4933 }
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4934 /* Transform the PyLong `res` to a C long `h`. For an existing
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4935 hashable Python object x, hash(x) will always lie within the range
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4936 of a C long. Therefore our transformation must preserve values
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4937 that already lie within this range, to ensure that if x.__hash__()
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4938 returns hash(y) then hash(x) == hash(y). */
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4939 h = PyLong_AsLongAndOverflow(res, &overflow);
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4940 if (overflow)
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4941 /* res was not within the range of a C long, so we're free to
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4942 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
4943 long.__hash__ will do nicely. */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4944 h = PyLong_Type.tp_hash(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4945 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
4946 if (h == -1 && !PyErr_Occurred())
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4947 h = -2;
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4948 return h;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4949 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4950
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4951 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4952 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
4953 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4954 static PyObject *call_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4955 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
4956 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4957
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4958 if (meth == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4959 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4960
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4961 res = PyObject_Call(meth, args, kwds);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4962
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4963 Py_DECREF(meth);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4964 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4965 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4966
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
4967 /* 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
4968
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
4969 - 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
4970 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
4971
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
4972 - 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
4973
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
4974 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
4975 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
4976 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
4977
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4978 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4979 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
4980 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4981 static PyObject *getattribute_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4982 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
4983 "(O)", name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4984 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4985
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4986 static PyObject *
49742
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4987 call_attribute(PyObject *self, PyObject *attr, PyObject *name)
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
4988 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4989 PyObject *res, *descr = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4990 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
4991
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4992 if (f != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4993 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
4994 if (descr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4995 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4996 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4997 attr = descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4998 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4999 res = PyObject_CallFunctionObjArgs(attr, name, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5000 Py_XDECREF(descr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5001 return res;
49742
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5002 }
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5003
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5004 static PyObject *
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5005 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
5006 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5007 PyTypeObject *tp = Py_TYPE(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5008 PyObject *getattr, *getattribute, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5009 static PyObject *getattribute_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5010 static PyObject *getattr_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5011
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5012 if (getattr_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5013 getattr_str = PyUnicode_InternFromString("__getattr__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5014 if (getattr_str == 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 if (getattribute_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5018 getattribute_str =
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5019 PyUnicode_InternFromString("__getattribute__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5020 if (getattribute_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5021 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5022 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5023 /* 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
5024 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
5025 __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
5026 _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
5027 call_attribute. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5028 getattr = _PyType_Lookup(tp, getattr_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5029 if (getattr == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5030 /* 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
5031 tp->tp_getattro = slot_tp_getattro;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5032 return slot_tp_getattro(self, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5033 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5034 Py_INCREF(getattr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5035 /* 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
5036 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
5037 __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
5038 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
5039 needed, with call_attribute. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5040 getattribute = _PyType_Lookup(tp, getattribute_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5041 if (getattribute == NULL ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5042 (Py_TYPE(getattribute) == &PyWrapperDescr_Type &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5043 ((PyWrapperDescrObject *)getattribute)->d_wrapped ==
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5044 (void *)PyObject_GenericGetAttr))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5045 res = PyObject_GenericGetAttr(self, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5046 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5047 Py_INCREF(getattribute);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5048 res = call_attribute(self, getattribute, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5049 Py_DECREF(getattribute);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5050 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5051 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
5052 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5053 res = call_attribute(self, getattr, name);
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 Py_DECREF(getattr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5056 return res;
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5057 }
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5058
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5059 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5060 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
5061 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5062 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5063 static PyObject *delattr_str, *setattr_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5064
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5065 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5066 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
5067 "(O)", name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5068 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5069 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
5070 "(OO)", name, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5071 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5072 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5073 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5074 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5075 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5076
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5077 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
5078 "__lt__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5079 "__le__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5080 "__eq__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5081 "__ne__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5082 "__gt__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5083 "__ge__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5084 };
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5085
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5086 static PyObject *
57273
c5099818e0d4 Issue #6970: Remove redundant calls made when comparing objects.
Mark Dickinson <dickinsm@gmail.com>
parents: 55399
diff changeset
5087 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
5088 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5089 PyObject *func, *args, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5090 static PyObject *op_str[6];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5091
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5092 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
5093 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5094 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5095 Py_INCREF(Py_NotImplemented);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5096 return Py_NotImplemented;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5097 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5098 args = PyTuple_Pack(1, other);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5099 if (args == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5100 res = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5101 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5102 res = PyObject_Call(func, args, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5103 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5104 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5105 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5106 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5107 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5108
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5109 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5110 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
5111 {
61466
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parents: 59538
diff changeset
5112 PyObject *func, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5113 static PyObject *iter_str, *getitem_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5114
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5115 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
5116 if (func != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5117 PyObject *args;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5118 args = res = PyTuple_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5119 if (args != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5120 res = PyObject_Call(func, args, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5121 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5122 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5123 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5124 return res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5125 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5126 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5127 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
5128 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5129 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5130 "'%.200s' object is not iterable",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5131 Py_TYPE(self)->tp_name);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5132 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5133 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5134 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5135 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
5136 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5137
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5138 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5139 slot_tp_iternext(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5140 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5141 static PyObject *next_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5142 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
5143 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5144
19339
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5145 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
5146 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
5147 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5148 PyTypeObject *tp = Py_TYPE(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5149 PyObject *get;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5150 static PyObject *get_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5151
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5152 if (get_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5153 get_str = PyUnicode_InternFromString("__get__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5154 if (get_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5155 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5156 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5157 get = _PyType_Lookup(tp, get_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5158 if (get == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5159 /* Avoid further slowdowns */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5160 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
5161 tp->tp_descr_get = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5162 Py_INCREF(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5163 return self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5164 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5165 if (obj == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5166 obj = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5167 if (type == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5168 type = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5169 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
5170 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5171
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5172 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5173 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
5174 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5175 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5176 static PyObject *del_str, *set_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5177
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5178 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5179 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
5180 "(O)", target);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5181 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5182 res = call_method(self, "__set__", &set_str,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5183 "(OO)", target, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5184 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5185 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5186 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5187 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5188 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5189
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5190 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5191 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
5192 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5193 static PyObject *init_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5194 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
5195 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5196
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5197 if (meth == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5198 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5199 res = PyObject_Call(meth, args, kwds);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5200 Py_DECREF(meth);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5201 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5202 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5203 if (res != Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5204 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5205 "__init__() should return None, not '%.200s'",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5206 Py_TYPE(res)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5207 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5208 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5209 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5210 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5211 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5212 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5213
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5214 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5215 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
5216 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5217 static PyObject *new_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5218 PyObject *func;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5219 PyObject *newargs, *x;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5220 Py_ssize_t i, n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5221
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5222 if (new_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5223 new_str = PyUnicode_InternFromString("__new__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5224 if (new_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5225 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5226 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5227 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
5228 if (func == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5229 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5230 assert(PyTuple_Check(args));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5231 n = PyTuple_GET_SIZE(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5232 newargs = PyTuple_New(n+1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5233 if (newargs == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5234 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5235 Py_INCREF(type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5236 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
5237 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5238 x = PyTuple_GET_ITEM(args, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5239 Py_INCREF(x);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5240 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
5241 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5242 x = PyObject_Call(func, newargs, kwds);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5243 Py_DECREF(newargs);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5244 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5245 return x;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5246 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5247
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5248 static void
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5249 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
5250 {
61466
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parents: 59538
diff changeset
5251 static PyObject *del_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5252 PyObject *del, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5253 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
5254
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5255 /* Temporarily resurrect the object. */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5256 assert(self->ob_refcnt == 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5257 self->ob_refcnt = 1;
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parents: 59538
diff changeset
5258
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5259 /* Save the current exception, if any. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5260 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
5261
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5262 /* Execute __del__ method, if any. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5263 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
5264 if (del != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5265 res = PyEval_CallObject(del, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5266 if (res == NULL)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5267 PyErr_WriteUnraisable(del);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5268 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5269 Py_DECREF(res);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5270 Py_DECREF(del);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5271 }
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parents: 59538
diff changeset
5272
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5273 /* Restore the saved exception. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5274 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
5275
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5276 /* 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
5277 * cause a recursive call.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5278 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5279 assert(self->ob_refcnt > 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5280 if (--self->ob_refcnt == 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5281 return; /* this is the normal path out */
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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 /* __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
5284 * never happened.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5285 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5286 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5287 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
5288 _Py_NewReference(self);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5289 self->ob_refcnt = refcnt;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5290 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5291 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
5292 _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
5293 /* 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
5294 * we need to undo that. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5295 _Py_DEC_REFTOTAL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5296 /* 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
5297 * chain, so no more to do there.
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5298 * 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
5299 * _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
5300 * undone.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5301 */
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5302 #ifdef COUNT_ALLOCS
61466
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diff changeset
5303 --Py_TYPE(self)->tp_frees;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5304 --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
5305 #endif
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5306 }
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5307
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5308
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5309 /* 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
5310 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
5311 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
5312 sequences and mappings.
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5313 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
5314 __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
5315 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
5316 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
5317 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
5318
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5319 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
5320
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5321 #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
5322 #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
5323 #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
5324 #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
5325 #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
5326 #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
5327 #undef UNSLOT
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5328 #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
5329 #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
5330 #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
5331
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5332 #define TPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
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parents: 59538
diff changeset
5333 {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
5334 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
5335 #define FLSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC, FLAGS) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5336 {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
5337 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
5338 #define ETSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5339 {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
5340 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
5341 #define SQSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5342 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
5343 #define MPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
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parents: 59538
diff changeset
5344 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
5345 #define NBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5346 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
5347 #define UNSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
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parents: 59538
diff changeset
5348 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
5349 "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
5350 #define IBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
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parents: 59538
diff changeset
5351 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
5352 "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
5353 #define BINSLOT(NAME, SLOT, FUNCTION, DOC) \
61466
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parents: 59538
diff changeset
5354 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
5355 "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
5356 #define RBINSLOT(NAME, SLOT, FUNCTION, DOC) \
61466
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parents: 59538
diff changeset
5357 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
5358 "x." NAME "(y) <==> y" DOC "x")
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5359 #define BINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \
61466
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parents: 59538
diff changeset
5360 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
5361 "x." NAME "(y) <==> " DOC)
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5362 #define RBINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \
61466
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parents: 59538
diff changeset
5363 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5364 "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
5365
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5366 static slotdef slotdefs[] = {
61466
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parents: 59538
diff changeset
5367 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
5368 "x.__len__() <==> len(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5369 /* 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
5370 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
5371 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
5372 user-defined methods has unexpected side-effects, as shown by
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parents: 59538
diff changeset
5373 test_descr.notimplemented() */
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parents: 59538
diff changeset
5374 SQSLOT("__add__", sq_concat, NULL, wrap_binaryfunc,
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parents: 59538
diff changeset
5375 "x.__add__(y) <==> x+y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5376 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
5377 "x.__mul__(n) <==> x*n"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5378 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
5379 "x.__rmul__(n) <==> n*x"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5380 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
5381 "x.__getitem__(y) <==> x[y]"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5382 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
5383 "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
5384 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
5385 "x.__delitem__(y) <==> del x[y]"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5386 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
5387 "x.__contains__(y) <==> y in x"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5388 SQSLOT("__iadd__", sq_inplace_concat, NULL,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5389 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
5390 SQSLOT("__imul__", sq_inplace_repeat, NULL,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5391 wrap_indexargfunc, "x.__imul__(y) <==> x*=y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5392
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5393 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
5394 "x.__len__() <==> len(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5395 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
5396 wrap_binaryfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5397 "x.__getitem__(y) <==> x[y]"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5398 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
5399 wrap_objobjargproc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5400 "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
5401 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
5402 wrap_delitem,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5403 "x.__delitem__(y) <==> del x[y]"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5404
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5405 BINSLOT("__add__", nb_add, slot_nb_add,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5406 "+"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5407 RBINSLOT("__radd__", nb_add, slot_nb_add,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5408 "+"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5409 BINSLOT("__sub__", nb_subtract, slot_nb_subtract,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5410 "-"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5411 RBINSLOT("__rsub__", nb_subtract, slot_nb_subtract,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5412 "-"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5413 BINSLOT("__mul__", nb_multiply, slot_nb_multiply,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5414 "*"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5415 RBINSLOT("__rmul__", nb_multiply, slot_nb_multiply,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5416 "*"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5417 BINSLOT("__mod__", nb_remainder, slot_nb_remainder,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5418 "%"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5419 RBINSLOT("__rmod__", nb_remainder, slot_nb_remainder,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5420 "%"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5421 BINSLOTNOTINFIX("__divmod__", nb_divmod, slot_nb_divmod,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5422 "divmod(x, y)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5423 RBINSLOTNOTINFIX("__rdivmod__", nb_divmod, slot_nb_divmod,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5424 "divmod(y, x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5425 NBSLOT("__pow__", nb_power, slot_nb_power, wrap_ternaryfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5426 "x.__pow__(y[, z]) <==> pow(x, y[, z])"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5427 NBSLOT("__rpow__", nb_power, slot_nb_power, wrap_ternaryfunc_r,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5428 "y.__rpow__(x[, z]) <==> pow(x, y[, z])"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5429 UNSLOT("__neg__", nb_negative, slot_nb_negative, wrap_unaryfunc, "-x"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5430 UNSLOT("__pos__", nb_positive, slot_nb_positive, wrap_unaryfunc, "+x"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5431 UNSLOT("__abs__", nb_absolute, slot_nb_absolute, wrap_unaryfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5432 "abs(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5433 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
5434 "x != 0"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5435 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
5436 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
5437 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
5438 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
5439 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
5440 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
5441 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
5442 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
5443 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
5444 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
5445 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
5446 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
5447 "int(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5448 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
5449 "float(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5450 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
5451 "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
5452 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
5453 wrap_binaryfunc, "+"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5454 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
5455 wrap_binaryfunc, "-"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5456 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
5457 wrap_binaryfunc, "*"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5458 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
5459 wrap_binaryfunc, "%"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5460 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
5461 wrap_binaryfunc, "**"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5462 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
5463 wrap_binaryfunc, "<<"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5464 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
5465 wrap_binaryfunc, ">>"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5466 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
5467 wrap_binaryfunc, "&"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5468 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
5469 wrap_binaryfunc, "^"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5470 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
5471 wrap_binaryfunc, "|"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5472 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
5473 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
5474 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
5475 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
5476 IBSLOT("__ifloordiv__", nb_inplace_floor_divide,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5477 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
5478 IBSLOT("__itruediv__", nb_inplace_true_divide,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5479 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
5480
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5481 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
5482 "x.__str__() <==> str(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5483 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
5484 "x.__repr__() <==> repr(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5485 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
5486 "x.__hash__() <==> hash(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5487 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
5488 "x.__call__(...) <==> x(...)", PyWrapperFlag_KEYWORDS),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5489 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
5490 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
5491 TPSLOT("__getattribute__", tp_getattr, NULL, NULL, ""),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5492 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
5493 TPSLOT("__getattr__", tp_getattr, NULL, NULL, ""),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5494 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
5495 "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
5496 TPSLOT("__setattr__", tp_setattr, NULL, NULL, ""),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5497 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
5498 "x.__delattr__('name') <==> del x.name"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5499 TPSLOT("__delattr__", tp_setattr, NULL, NULL, ""),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5500 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
5501 "x.__lt__(y) <==> x<y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5502 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
5503 "x.__le__(y) <==> x<=y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5504 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
5505 "x.__eq__(y) <==> x==y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5506 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
5507 "x.__ne__(y) <==> x!=y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5508 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
5509 "x.__gt__(y) <==> x>y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5510 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
5511 "x.__ge__(y) <==> x>=y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5512 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
5513 "x.__iter__() <==> iter(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5514 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
5515 "x.__next__() <==> next(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5516 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
5517 "descr.__get__(obj[, type]) -> value"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5518 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
5519 "descr.__set__(obj, value)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5520 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
5521 wrap_descr_delete, "descr.__delete__(obj)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5522 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
5523 "x.__init__(...) initializes x; "
64076
e3df34544db9 Issue #8983: Corrected docstrings.
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 63949
diff changeset
5524 "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
5525 PyWrapperFlag_KEYWORDS),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5526 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
5527 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
5528 {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
5529 };
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5530
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5531 /* 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
5532 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
5533 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
5534 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
5535 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
5536 static void **
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5537 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
5538 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5539 char *ptr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5540 long offset = ioffset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5541
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5542 /* 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
5543 assert(offset >= 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5544 assert((size_t)offset < offsetof(PyHeapTypeObject, as_buffer));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5545 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
5546 ptr = (char *)type->tp_as_sequence;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5547 offset -= offsetof(PyHeapTypeObject, as_sequence);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5548 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5549 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
5550 ptr = (char *)type->tp_as_mapping;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5551 offset -= offsetof(PyHeapTypeObject, as_mapping);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5552 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5553 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
5554 ptr = (char *)type->tp_as_number;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5555 offset -= offsetof(PyHeapTypeObject, as_number);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5556 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5557 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5558 ptr = (char *)type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5559 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5560 if (ptr != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5561 ptr += offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5562 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
5563 }
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
5564
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5565 /* 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
5566 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
5567 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
5568 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
5569 #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
5570
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5571 /* 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
5572 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
5573 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
5574 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
5575 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5576 /* XXX Maybe this could be optimized more -- but is it worth it? */
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parents: 59538
diff changeset
5577
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parents: 59538
diff changeset
5578 /* pname and ptrs act as a little cache */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5579 static PyObject *pname;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5580 static slotdef *ptrs[MAX_EQUIV];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5581 slotdef *p, **pp;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5582 void **res, **ptr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5583
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5584 if (pname != name) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5585 /* Collect all slotdefs that match name into ptrs. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5586 pname = name;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5587 pp = ptrs;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5588 for (p = slotdefs; p->name_strobj; p++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5589 if (p->name_strobj == name)
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parents: 59538
diff changeset
5590 *pp++ = p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5591 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5592 *pp = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5593 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5594
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5595 /* 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
5596 a filled-in slot, return its value. Otherwise return NULL. */
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parents: 59538
diff changeset
5597 res = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5598 for (pp = ptrs; *pp; pp++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5599 ptr = slotptr(type, (*pp)->offset);
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parents: 59538
diff changeset
5600 if (ptr == NULL || *ptr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5601 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5602 if (res != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5603 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5604 res = ptr;
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parents: 59538
diff changeset
5605 }
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parents: 59538
diff changeset
5606 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
5607 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5608
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5609 /* 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
5610 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
5611 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
5612 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
5613 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
5614 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
5615 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
5616 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
5617 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5618 PyObject *descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5619 PyWrapperDescrObject *d;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5620 void *generic = NULL, *specific = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5621 int use_generic = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5622 int offset = p->offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5623 void **ptr = slotptr(type, offset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5624
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5625 if (ptr == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5626 do {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5627 ++p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5628 } while (p->offset == offset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5629 return p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5630 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5631 do {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5632 descr = _PyType_Lookup(type, p->name_strobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5633 if (descr == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5634 if (ptr == (void**)&type->tp_iternext) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5635 specific = _PyObject_NextNotImplemented;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5636 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5637 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5638 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5639 if (Py_TYPE(descr) == &PyWrapperDescr_Type) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5640 void **tptr = resolve_slotdups(type, p->name_strobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5641 if (tptr == NULL || tptr == ptr)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5642 generic = p->function;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5643 d = (PyWrapperDescrObject *)descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5644 if (d->d_base->wrapper == p->wrapper &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5645 PyType_IsSubtype(type, PyDescr_TYPE(d)))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5646 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5647 if (specific == NULL ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5648 specific == d->d_wrapped)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5649 specific = d->d_wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5650 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5651 use_generic = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5652 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5653 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5654 else if (Py_TYPE(descr) == &PyCFunction_Type &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5655 PyCFunction_GET_FUNCTION(descr) ==
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5656 (PyCFunction)tp_new_wrapper &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5657 ptr == (void**)&type->tp_new)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5658 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5659 /* The __new__ wrapper is not a wrapper descriptor,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5660 so must be special-cased differently.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5661 If we don't do this, creating an instance will
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5662 always use slot_tp_new which will look up
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5663 __new__ in the MRO which will call tp_new_wrapper
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5664 which will look through the base classes looking
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5665 for a static base and call its tp_new (usually
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5666 PyType_GenericNew), after performing various
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5667 sanity checks and constructing a new argument
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5668 list. Cut all that nonsense short -- this speeds
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5669 up instance creation tremendously. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5670 specific = (void *)type->tp_new;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5671 /* XXX I'm not 100% sure that there isn't a hole
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5672 in this reasoning that requires additional
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5673 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
5674 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
5675 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5676 else if (descr == Py_None &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5677 ptr == (void**)&type->tp_hash) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5678 /* 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
5679 to prevent inheritance of the default
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5680 implementation from object.__hash__ */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5681 specific = PyObject_HashNotImplemented;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5682 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5683 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5684 use_generic = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5685 generic = p->function;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5686 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5687 } while ((++p)->offset == offset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5688 if (specific && !use_generic)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5689 *ptr = specific;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5690 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5691 *ptr = generic;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5692 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
5693 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5694
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5695 /* 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
5696 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
5697 static int
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5698 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
5699 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5700 slotdef **pp = (slotdef **)data;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5701
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5702 for (; *pp; pp++)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5703 update_one_slot(type, *pp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5704 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
5705 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5706
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5707 /* 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
5708 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
5709 static int
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5710 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
5711 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5712 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
5713 int c = a->offset - b->offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5714 if (c != 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5715 return c;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5716 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5717 /* 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
5718 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
5719 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
5720 }
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5721
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5722 /* 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
5723 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
5724 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
5725 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
5726 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5727 slotdef *p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5728 static int initialized = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5729
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5730 if (initialized)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5731 return;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5732 for (p = slotdefs; p->name; p++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5733 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
5734 if (!p->name_strobj)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5735 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
5736 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5737 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
5738 slotdef_cmp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5739 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
5740 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5741
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5742 /* 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
5743 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
5744 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
5745 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5746 slotdef *ptrs[MAX_EQUIV];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5747 slotdef *p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5748 slotdef **pp;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5749 int offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5750
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5751 /* 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
5752 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
5753 update_subclasses() recursion below, but carefully:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5754 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
5755 recursing into subclasses. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5756 PyType_Modified(type);
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 init_slotdefs();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5759 pp = ptrs;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5760 for (p = slotdefs; p->name; p++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5761 /* XXX assume name is interned! */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5762 if (p->name_strobj == name)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5763 *pp++ = p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5764 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5765 *pp = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5766 for (pp = ptrs; *pp; pp++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5767 p = *pp;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5768 offset = p->offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5769 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
5770 --p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5771 *pp = p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5772 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5773 if (ptrs[0] == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5774 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
5775 return update_subclasses(type, name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5776 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
5777 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5778
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5779 /* 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
5780 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
5781 dict. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5782 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
5783 fixup_slot_dispatchers(PyTypeObject *type)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5784 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5785 slotdef *p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5786
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5787 init_slotdefs();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5788 for (p = slotdefs; p->name; )
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5789 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
5790 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5791
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5792 static void
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5793 update_all_slots(PyTypeObject* type)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5794 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5795 slotdef *p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5796
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5797 init_slotdefs();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5798 for (p = slotdefs; p->name; p++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5799 /* 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
5800 update_slot(type, p->name_strobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5801 }
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5802 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5803
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5804 /* 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
5805 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
5806 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
5807
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5808 static int
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5809 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
5810 update_callback callback, void *data)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5811 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5812 if (callback(type, data) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5813 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5814 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
5815 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5816
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5817 static int
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5818 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
5819 update_callback callback, void *data)
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 PyTypeObject *subclass;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5822 PyObject *ref, *subclasses, *dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5823 Py_ssize_t i, n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5824
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5825 subclasses = type->tp_subclasses;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5826 if (subclasses == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5827 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5828 assert(PyList_Check(subclasses));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5829 n = PyList_GET_SIZE(subclasses);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5830 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5831 ref = PyList_GET_ITEM(subclasses, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5832 assert(PyWeakref_CheckRef(ref));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5833 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5834 assert(subclass != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5835 if ((PyObject *)subclass == Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5836 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5837 assert(PyType_Check(subclass));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5838 /* Avoid recursing down into unaffected classes */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5839 dict = subclass->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5840 if (dict != NULL && PyDict_Check(dict) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5841 PyDict_GetItem(dict, name) != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5842 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5843 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
5844 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5845 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5846 return 0;
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5847 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5848
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5849 /* 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
5850 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
5851 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
5852 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
5853 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
5854 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
5855 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
5856 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
5857 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
5858
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5859 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
5860 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
5861 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
5862 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
5863 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
5864 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
5865 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
5866 wins.
23830
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
5867
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
5868 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
5869 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
5870 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
5871 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
5872 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
5873 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
5874 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
5875 (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
5876 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
5877 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
5878
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5879 static int
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5880 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
5881 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5882 PyObject *dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5883 slotdef *p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5884 PyObject *descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5885 void **ptr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5886
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5887 init_slotdefs();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5888 for (p = slotdefs; p->name; p++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5889 if (p->wrapper == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5890 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5891 ptr = slotptr(type, p->offset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5892 if (!ptr || !*ptr)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5893 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5894 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
5895 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5896 if (*ptr == PyObject_HashNotImplemented) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5897 /* 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
5898 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
5899 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
5900 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
5901 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5902 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5903 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5904 descr = PyDescr_NewWrapper(type, p, *ptr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5905 if (descr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5906 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5907 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
5908 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5909 Py_DECREF(descr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5910 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5911 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5912 if (type->tp_new != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5913 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
5914 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5915 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5916 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
5917 }
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5918
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5919
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5920 /* Cooperative 'super' */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5921
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5922 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5923 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5924 PyTypeObject *type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5925 PyObject *obj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5926 PyTypeObject *obj_type;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5927 } superobject;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5928
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
5929 static PyMemberDef super_members[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5930 {"__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
5931 "the class invoking super()"},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5932 {"__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
5933 "the instance invoking super(); may be None"},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5934 {"__self_class__", T_OBJECT, offsetof(superobject, obj_type), READONLY,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5935 "the type of the instance invoking super(); may be None"},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5936 {0}
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5937 };
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5938
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5939 static void
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5940 super_dealloc(PyObject *self)
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5941 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5942 superobject *su = (superobject *)self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5943
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5944 _PyObject_GC_UNTRACK(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5945 Py_XDECREF(su->obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5946 Py_XDECREF(su->type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5947 Py_XDECREF(su->obj_type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5948 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
5949 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5950
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5951 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
5952 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
5953 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5954 superobject *su = (superobject *)self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5955
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5956 if (su->obj_type)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5957 return PyUnicode_FromFormat(
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5958 "<super: <class '%s'>, <%s object>>",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5959 su->type ? su->type->tp_name : "NULL",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5960 su->obj_type->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5961 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5962 return PyUnicode_FromFormat(
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5963 "<super: <class '%s'>, NULL>",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5964 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
5965 }
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5966
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5967 static PyObject *
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5968 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
5969 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5970 superobject *su = (superobject *)self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5971 int skip = su->obj_type == NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5972
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5973 if (!skip) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5974 /* We want __class__ to return the class of the super object
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5975 (i.e. super, or a subclass), not the class of su->obj. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5976 skip = (PyUnicode_Check(name) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5977 PyUnicode_GET_SIZE(name) == 9 &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5978 PyUnicode_CompareWithASCIIString(name, "__class__") == 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5979 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5980
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5981 if (!skip) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5982 PyObject *mro, *res, *tmp, *dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5983 PyTypeObject *starttype;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5984 descrgetfunc f;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5985 Py_ssize_t i, n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5986
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5987 starttype = su->obj_type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5988 mro = starttype->tp_mro;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5989
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5990 if (mro == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5991 n = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5992 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5993 assert(PyTuple_Check(mro));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5994 n = PyTuple_GET_SIZE(mro);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5995 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5996 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5997 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
5998 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5999 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6000 i++;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6001 res = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6002 for (; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6003 tmp = PyTuple_GET_ITEM(mro, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6004 if (PyType_Check(tmp))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6005 dict = ((PyTypeObject *)tmp)->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6006 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6007 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6008 res = PyDict_GetItem(dict, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6009 if (res != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6010 Py_INCREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6011 f = Py_TYPE(res)->tp_descr_get;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6012 if (f != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6013 tmp = f(res,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6014 /* Only pass 'obj' param if
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6015 this is instance-mode super
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6016 (See SF ID #743627)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6017 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6018 (su->obj == (PyObject *)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6019 su->obj_type
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6020 ? (PyObject *)NULL
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6021 : su->obj),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6022 (PyObject *)starttype);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6023 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6024 res = tmp;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6025 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6026 return res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6027 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6028 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6029 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6030 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
6031 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6032
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6033 static PyTypeObject *
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6034 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
6035 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6036 /* Check that a super() call makes sense. Return a type object.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6037
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6038 obj can be a new-style class, or an instance of one:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6039
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6040 - If it is a class, it must be a subclass of 'type'. This case is
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6041 used for class methods; the return value is obj.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6042
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6043 - If it is an instance, it must be an instance of 'type'. This is
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6044 the normal case; the return value is obj.__class__.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6045
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6046 But... when obj is an instance, we want to allow for the case where
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6047 Py_TYPE(obj) is not a subclass of type, but obj.__class__ is!
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6048 This will allow using super() with a proxy for obj.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6049 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6050
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6051 /* Check for first bullet above (special case) */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6052 if (PyType_Check(obj) && PyType_IsSubtype((PyTypeObject *)obj, type)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6053 Py_INCREF(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6054 return (PyTypeObject *)obj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6055 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6056
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6057 /* Normal case */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6058 if (PyType_IsSubtype(Py_TYPE(obj), type)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6059 Py_INCREF(Py_TYPE(obj));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6060 return Py_TYPE(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6061 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6062 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6063 /* Try the slow way */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6064 static PyObject *class_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6065 PyObject *class_attr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6066
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6067 if (class_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6068 class_str = PyUnicode_FromString("__class__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6069 if (class_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6070 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6071 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6072
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6073 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
6074
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6075 if (class_attr != NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6076 PyType_Check(class_attr) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6077 (PyTypeObject *)class_attr != Py_TYPE(obj))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6078 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6079 int ok = PyType_IsSubtype(
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6080 (PyTypeObject *)class_attr, type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6081 if (ok)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6082 return (PyTypeObject *)class_attr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6083 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6084
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6085 if (class_attr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6086 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6087 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6088 Py_DECREF(class_attr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6089 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6090
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6091 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6092 "super(type, obj): "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6093 "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
6094 return NULL;
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6095 }
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6096
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6097 static PyObject *
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6098 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
6099 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6100 superobject *su = (superobject *)self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6101 superobject *newobj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6102
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6103 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
6104 /* 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
6105 Py_INCREF(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6106 return self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6107 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6108 if (Py_TYPE(su) != &PySuper_Type)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6109 /* 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
6110 call its type */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6111 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
6112 su->type, obj, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6113 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6114 /* Inline the common case */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6115 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
6116 if (obj_type == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6117 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6118 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
6119 NULL, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6120 if (newobj == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6121 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6122 Py_INCREF(su->type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6123 Py_INCREF(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6124 newobj->type = su->type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6125 newobj->obj = obj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6126 newobj->obj_type = obj_type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6127 return (PyObject *)newobj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6128 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6129 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6130
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6131 static int
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6132 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
6133 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6134 superobject *su = (superobject *)self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6135 PyTypeObject *type = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6136 PyObject *obj = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6137 PyTypeObject *obj_type = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6138
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6139 if (!_PyArg_NoKeywords("super", kwds))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6140 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6141 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
6142 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6143
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6144 if (type == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6145 /* 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
6146 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
6147 PyFrameObject *f = PyThreadState_GET()->frame;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6148 PyCodeObject *co = f->f_code;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6149 int i, n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6150 if (co == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6151 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6152 "super(): no code object");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6153 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6154 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6155 if (co->co_argcount == 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6156 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6157 "super(): no arguments");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6158 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6159 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6160 obj = f->f_localsplus[0];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6161 if (obj == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6162 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6163 "super(): arg[0] deleted");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6164 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6165 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6166 if (co->co_freevars == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6167 n = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6168 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6169 assert(PyTuple_Check(co->co_freevars));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6170 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
6171 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6172 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6173 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
6174 assert(PyUnicode_Check(name));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6175 if (!PyUnicode_CompareWithASCIIString(name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6176 "__class__")) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6177 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
6178 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
6179 PyObject *cell = f->f_localsplus[index];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6180 if (cell == NULL || !PyCell_Check(cell)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6181 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6182 "super(): bad __class__ cell");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6183 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6184 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6185 type = (PyTypeObject *) PyCell_GET(cell);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6186 if (type == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6187 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6188 "super(): empty __class__ cell");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6189 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6190 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6191 if (!PyType_Check(type)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6192 PyErr_Format(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6193 "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
6194 Py_TYPE(type)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6195 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6196 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6197 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6198 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6199 }
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6200 if (type == NULL) {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6201 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6202 "super(): __class__ cell not found");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6203 return -1;
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6204 }
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6205 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6206
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6207 if (obj == Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6208 obj = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6209 if (obj != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6210 obj_type = supercheck(type, obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6211 if (obj_type == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6212 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6213 Py_INCREF(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6214 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6215 Py_INCREF(type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6216 su->type = type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6217 su->obj = obj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6218 su->obj_type = obj_type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6219 return 0;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6220 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6221
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23830
diff changeset
6222 PyDoc_STRVAR(super_doc,
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6223 "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
6224 "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
6225 "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
6226 "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
6227 "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
6228 "class C(B):\n"
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6229 " def meth(self, arg):\n"
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6230 " super().meth(arg)\n"
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6231 "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
6232 "class C(B):\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6233 " @classmethod\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6234 " def cmeth(cls, arg):\n"
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6235 " 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
6236
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6237 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
6238 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
6239 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6240 superobject *su = (superobject *)self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6241
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6242 Py_VISIT(su->obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6243 Py_VISIT(su->type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6244 Py_VISIT(su->obj_type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6245
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6246 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
6247 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6248
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6249 PyTypeObject PySuper_Type = {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6250 PyVarObject_HEAD_INIT(&PyType_Type, 0)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6251 "super", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6252 sizeof(superobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6253 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6254 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6255 super_dealloc, /* tp_dealloc */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6256 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6257 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6258 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6259 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6260 super_repr, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6261 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6262 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6263 0, /* tp_as_mapping */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
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6264 0, /* tp_hash */
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6265 0, /* tp_call */
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6266 0, /* tp_str */
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parents: 59538
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6267 super_getattro, /* tp_getattro */
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parents: 59538
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6268 0, /* tp_setattro */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
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6269 0, /* tp_as_buffer */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
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6270 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
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6271 Py_TPFLAGS_BASETYPE, /* tp_flags */
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6272 super_doc, /* tp_doc */
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6273 super_traverse, /* tp_traverse */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
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6274 0, /* tp_clear */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
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6275 0, /* tp_richcompare */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
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6276 0, /* tp_weaklistoffset */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
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6277 0, /* tp_iter */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
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6278 0, /* tp_iternext */
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Antoine Pitrou <solipsis@pitrou.net>
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6279 0, /* tp_methods */
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Antoine Pitrou <solipsis@pitrou.net>
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6280 super_members, /* tp_members */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
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6281 0, /* tp_getset */
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Antoine Pitrou <solipsis@pitrou.net>
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6282 0, /* tp_base */
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Antoine Pitrou <solipsis@pitrou.net>
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6283 0, /* tp_dict */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
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6284 super_descr_get, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
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6285 0, /* tp_descr_set */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
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6286 0, /* tp_dictoffset */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6287 super_init, /* tp_init */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6288 PyType_GenericAlloc, /* tp_alloc */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6289 PyType_GenericNew, /* tp_new */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6290 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
6291 };