Mercurial > cpython-lru_cache-weakref

annotate Objects/typeobject.c @ 67555:aeccbd16970f

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use PyErr_SetString instead of PyErr_Format
author Benjamin Peterson <benjamin@python.org>
date Wed, 12 Jan 2011 18:56:07 +0000
parents 236e11ba18c5
children 3674dcb41a94
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6
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Guido van Rossum <guido@python.org>
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1 /* Type object implementation */
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2
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3 #include "Python.h"
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4 #include "frameobject.h"
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5 #include "structmember.h"
6
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6
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7 #include <ctype.h>
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8
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9
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10 /* Support type attribute cache */
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11
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12 /* The cache can keep references to the names alive for longer than
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13 they normally would. This is why the maximum size is limited to
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14 MCACHE_MAX_ATTR_SIZE, since it might be a problem if very large
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15 strings are used as attribute names. */
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16 #define MCACHE_MAX_ATTR_SIZE 100
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17 #define MCACHE_SIZE_EXP 10
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18 #define MCACHE_HASH(version, name_hash) \
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19 (((unsigned int)(version) * (unsigned int)(name_hash)) \
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20 >> (8*sizeof(unsigned int) - MCACHE_SIZE_EXP))
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21 #define MCACHE_HASH_METHOD(type, name) \
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22 MCACHE_HASH((type)->tp_version_tag, \
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23 ((PyUnicodeObject *)(name))->hash)
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24 #define MCACHE_CACHEABLE_NAME(name) \
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25 PyUnicode_CheckExact(name) && \
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26 PyUnicode_GET_SIZE(name) <= MCACHE_MAX_ATTR_SIZE
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27
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28 struct method_cache_entry {
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29 unsigned int version;
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30 PyObject *name; /* reference to exactly a str or None */
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31 PyObject *value; /* borrowed */
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32 };
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33
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34 static struct method_cache_entry method_cache[1 << MCACHE_SIZE_EXP];
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35 static unsigned int next_version_tag = 0;
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36
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37 unsigned int
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38 PyType_ClearCache(void)
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39 {
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40 Py_ssize_t i;
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41 unsigned int cur_version_tag = next_version_tag - 1;
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42
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43 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) {
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44 method_cache[i].version = 0;
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45 Py_CLEAR(method_cache[i].name);
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46 method_cache[i].value = NULL;
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47 }
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48 next_version_tag = 0;
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49 /* mark all version tags as invalid */
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50 PyType_Modified(&PyBaseObject_Type);
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51 return cur_version_tag;
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52 }
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53
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54 void
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55 PyType_Modified(PyTypeObject *type)
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56 {
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57 /* Invalidate any cached data for the specified type and all
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58 subclasses. This function is called after the base
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59 classes, mro, or attributes of the type are altered.
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60
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61 Invariants:
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62
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63 - Py_TPFLAGS_VALID_VERSION_TAG is never set if
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64 Py_TPFLAGS_HAVE_VERSION_TAG is not set (e.g. on type
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65 objects coming from non-recompiled extension modules)
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66
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67 - before Py_TPFLAGS_VALID_VERSION_TAG can be set on a type,
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68 it must first be set on all super types.
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69
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70 This function clears the Py_TPFLAGS_VALID_VERSION_TAG of a
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71 type (so it must first clear it on all subclasses). The
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72 tp_version_tag value is meaningless unless this flag is set.
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73 We don't assign new version tags eagerly, but only as
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74 needed.
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75 */
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76 PyObject *raw, *ref;
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77 Py_ssize_t i, n;
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78
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79 if (!PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG))
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80 return;
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81
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82 raw = type->tp_subclasses;
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83 if (raw != NULL) {
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84 n = PyList_GET_SIZE(raw);
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85 for (i = 0; i < n; i++) {
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86 ref = PyList_GET_ITEM(raw, i);
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87 ref = PyWeakref_GET_OBJECT(ref);
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88 if (ref != Py_None) {
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89 PyType_Modified((PyTypeObject *)ref);
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90 }
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91 }
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92 }
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93 type->tp_flags &= ~Py_TPFLAGS_VALID_VERSION_TAG;
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94 }
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95
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96 static void
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97 type_mro_modified(PyTypeObject *type, PyObject *bases) {
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98 /*
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99 Check that all base classes or elements of the mro of type are
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100 able to be cached. This function is called after the base
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101 classes or mro of the type are altered.
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102
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103 Unset HAVE_VERSION_TAG and VALID_VERSION_TAG if the type
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104 inherits from an old-style class, either directly or if it
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105 appears in the MRO of a new-style class. No support either for
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106 custom MROs that include types that are not officially super
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107 types.
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108
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109 Called from mro_internal, which will subsequently be called on
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110 each subclass when their mro is recursively updated.
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111 */
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112 Py_ssize_t i, n;
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113 int clear = 0;
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114
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115 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG))
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116 return;
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117
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118 n = PyTuple_GET_SIZE(bases);
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119 for (i = 0; i < n; i++) {
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120 PyObject *b = PyTuple_GET_ITEM(bases, i);
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121 PyTypeObject *cls;
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122
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123 if (!PyType_Check(b) ) {
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124 clear = 1;
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125 break;
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126 }
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127
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128 cls = (PyTypeObject *)b;
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129
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130 if (!PyType_HasFeature(cls, Py_TPFLAGS_HAVE_VERSION_TAG) ||
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131 !PyType_IsSubtype(type, cls)) {
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132 clear = 1;
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133 break;
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134 }
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135 }
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136
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137 if (clear)
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138 type->tp_flags &= ~(Py_TPFLAGS_HAVE_VERSION_TAG|
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139 Py_TPFLAGS_VALID_VERSION_TAG);
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140 }
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141
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142 static int
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143 assign_version_tag(PyTypeObject *type)
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144 {
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145 /* Ensure that the tp_version_tag is valid and set
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146 Py_TPFLAGS_VALID_VERSION_TAG. To respect the invariant, this
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147 must first be done on all super classes. Return 0 if this
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148 cannot be done, 1 if Py_TPFLAGS_VALID_VERSION_TAG.
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149 */
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150 Py_ssize_t i, n;
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151 PyObject *bases;
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152
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153 if (PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG))
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154 return 1;
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155 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG))
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156 return 0;
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157 if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
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158 return 0;
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159
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160 type->tp_version_tag = next_version_tag++;
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161 /* for stress-testing: next_version_tag &= 0xFF; */
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162
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163 if (type->tp_version_tag == 0) {
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164 /* wrap-around or just starting Python - clear the whole
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165 cache by filling names with references to Py_None.
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166 Values are also set to NULL for added protection, as they
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167 are borrowed reference */
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168 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) {
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169 method_cache[i].value = NULL;
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170 Py_XDECREF(method_cache[i].name);
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171 method_cache[i].name = Py_None;
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172 Py_INCREF(Py_None);
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173 }
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174 /* mark all version tags as invalid */
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175 PyType_Modified(&PyBaseObject_Type);
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176 return 1;
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177 }
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178 bases = type->tp_bases;
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179 n = PyTuple_GET_SIZE(bases);
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180 for (i = 0; i < n; i++) {
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181 PyObject *b = PyTuple_GET_ITEM(bases, i);
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182 assert(PyType_Check(b));
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183 if (!assign_version_tag((PyTypeObject *)b))
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184 return 0;
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185 }
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186 type->tp_flags |= Py_TPFLAGS_VALID_VERSION_TAG;
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187 return 1;
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188 }
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189
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190
20012
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191 static PyMemberDef type_members[] = {
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192 {"__basicsize__", T_PYSSIZET, offsetof(PyTypeObject,tp_basicsize),READONLY},
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193 {"__itemsize__", T_PYSSIZET, offsetof(PyTypeObject, tp_itemsize), READONLY},
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194 {"__flags__", T_LONG, offsetof(PyTypeObject, tp_flags), READONLY},
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195 {"__weakrefoffset__", T_LONG,
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196 offsetof(PyTypeObject, tp_weaklistoffset), READONLY},
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197 {"__base__", T_OBJECT, offsetof(PyTypeObject, tp_base), READONLY},
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198 {"__dictoffset__", T_LONG,
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199 offsetof(PyTypeObject, tp_dictoffset), READONLY},
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200 {"__mro__", T_OBJECT, offsetof(PyTypeObject, tp_mro), READONLY},
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201 {0}
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202 };
6
fc6fcd7df4f7 Initial revision
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203
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204 static PyObject *
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205 type_name(PyTypeObject *type, void *context)
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206 {
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207 const char *s;
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208
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209 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) {
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210 PyHeapTypeObject* et = (PyHeapTypeObject*)type;
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211
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212 Py_INCREF(et->ht_name);
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213 return et->ht_name;
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214 }
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215 else {
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216 s = strrchr(type->tp_name, '.');
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217 if (s == NULL)
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218 s = type->tp_name;
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219 else
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220 s++;
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221 return PyUnicode_FromString(s);
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222 }
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223 }
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224
26421
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225 static int
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226 type_set_name(PyTypeObject *type, PyObject *value, void *context)
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227 {
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228 PyHeapTypeObject* et;
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229 char *tp_name;
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230 PyObject *tmp;
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231
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232 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
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233 PyErr_Format(PyExc_TypeError,
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234 "can't set %s.__name__", type->tp_name);
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235 return -1;
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236 }
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237 if (!value) {
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238 PyErr_Format(PyExc_TypeError,
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239 "can't delete %s.__name__", type->tp_name);
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240 return -1;
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241 }
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242 if (!PyUnicode_Check(value)) {
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243 PyErr_Format(PyExc_TypeError,
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244 "can only assign string to %s.__name__, not '%s'",
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245 type->tp_name, Py_TYPE(value)->tp_name);
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246 return -1;
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247 }
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248
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249 /* Check absence of null characters */
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250 tmp = PyUnicode_FromStringAndSize("\0", 1);
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251 if (tmp == NULL)
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252 return -1;
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253 if (PyUnicode_Contains(value, tmp) != 0) {
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254 Py_DECREF(tmp);
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255 PyErr_Format(PyExc_ValueError,
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256 "__name__ must not contain null bytes");
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257 return -1;
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258 }
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259 Py_DECREF(tmp);
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260
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261 tp_name = _PyUnicode_AsString(value);
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262 if (tp_name == NULL)
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263 return -1;
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264
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265 et = (PyHeapTypeObject*)type;
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266
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267 Py_INCREF(value);
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268
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269 Py_DECREF(et->ht_name);
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270 et->ht_name = value;
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271
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272 type->tp_name = tp_name;
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273
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274 return 0;
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275 }
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276
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277 static PyObject *
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278 type_module(PyTypeObject *type, void *context)
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279 {
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280 PyObject *mod;
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281 char *s;
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282
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283 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) {
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284 mod = PyDict_GetItemString(type->tp_dict, "__module__");
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285 if (!mod) {
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286 PyErr_Format(PyExc_AttributeError, "__module__");
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287 return 0;
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288 }
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289 Py_XINCREF(mod);
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290 return mod;
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291 }
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292 else {
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293 s = strrchr(type->tp_name, '.');
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294 if (s != NULL)
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295 return PyUnicode_FromStringAndSize(
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296 type->tp_name, (Py_ssize_t)(s - type->tp_name));
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297 return PyUnicode_FromString("builtins");
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298 }
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299 }
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300
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301 static int
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302 type_set_module(PyTypeObject *type, PyObject *value, void *context)
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303 {
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304 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
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305 PyErr_Format(PyExc_TypeError,
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306 "can't set %s.__module__", type->tp_name);
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307 return -1;
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308 }
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309 if (!value) {
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310 PyErr_Format(PyExc_TypeError,
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311 "can't delete %s.__module__", type->tp_name);
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312 return -1;
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313 }
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314
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315 PyType_Modified(type);
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316
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317 return PyDict_SetItemString(type->tp_dict, "__module__", value);
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318 }
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319
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320 static PyObject *
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321 type_abstractmethods(PyTypeObject *type, void *context)
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322 {
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323 PyObject *mod = NULL;
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324 /* type itself has an __abstractmethods__ descriptor (this). Don't return
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325 that. */
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326 if (type != &PyType_Type)
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327 mod = PyDict_GetItemString(type->tp_dict, "__abstractmethods__");
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328 if (!mod) {
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329 PyErr_SetString(PyExc_AttributeError, "__abstractmethods__");
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330 return NULL;
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331 }
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332 Py_XINCREF(mod);
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333 return mod;
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334 }
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335
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336 static int
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337 type_set_abstractmethods(PyTypeObject *type, PyObject *value, void *context)
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338 {
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339 /* __abstractmethods__ should only be set once on a type, in
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340 abc.ABCMeta.__new__, so this function doesn't do anything
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341 special to update subclasses.
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342 */
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343 int res;
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344 if (value != NULL) {
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345 res = PyDict_SetItemString(type->tp_dict, "__abstractmethods__", value);
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346 }
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347 else {
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348 res = PyDict_DelItemString(type->tp_dict, "__abstractmethods__");
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349 if (res && PyErr_ExceptionMatches(PyExc_KeyError)) {
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350 PyErr_SetString(PyExc_AttributeError, "__abstractmethods__");
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351 return -1;
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352 }
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353 }
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354 if (res == 0) {
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355 PyType_Modified(type);
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356 if (value && PyObject_IsTrue(value)) {
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357 type->tp_flags |= Py_TPFLAGS_IS_ABSTRACT;
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358 }
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359 else {
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360 type->tp_flags &= ~Py_TPFLAGS_IS_ABSTRACT;
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361 }
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362 }
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363 return res;
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364 }
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365
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366 static PyObject *
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367 type_get_bases(PyTypeObject *type, void *context)
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368 {
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369 Py_INCREF(type->tp_bases);
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370 return type->tp_bases;
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371 }
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372
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373 static PyTypeObject *best_base(PyObject *);
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374 static int mro_internal(PyTypeObject *);
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375 static int compatible_for_assignment(PyTypeObject *, PyTypeObject *, char *);
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376 static int add_subclass(PyTypeObject*, PyTypeObject*);
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377 static void remove_subclass(PyTypeObject *, PyTypeObject *);
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378 static void update_all_slots(PyTypeObject *);
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379
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380 typedef int (*update_callback)(PyTypeObject *, void *);
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381 static int update_subclasses(PyTypeObject *type, PyObject *name,
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382 update_callback callback, void *data);
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383 static int recurse_down_subclasses(PyTypeObject *type, PyObject *name,
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384 update_callback callback, void *data);
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385
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386 static int
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387 mro_subclasses(PyTypeObject *type, PyObject* temp)
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388 {
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389 PyTypeObject *subclass;
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390 PyObject *ref, *subclasses, *old_mro;
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391 Py_ssize_t i, n;
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392
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393 subclasses = type->tp_subclasses;
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394 if (subclasses == NULL)
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395 return 0;
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396 assert(PyList_Check(subclasses));
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397 n = PyList_GET_SIZE(subclasses);
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398 for (i = 0; i < n; i++) {
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399 ref = PyList_GET_ITEM(subclasses, i);
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400 assert(PyWeakref_CheckRef(ref));
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401 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref);
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402 assert(subclass != NULL);
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403 if ((PyObject *)subclass == Py_None)
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404 continue;
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405 assert(PyType_Check(subclass));
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406 old_mro = subclass->tp_mro;
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407 if (mro_internal(subclass) < 0) {
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408 subclass->tp_mro = old_mro;
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409 return -1;
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410 }
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411 else {
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412 PyObject* tuple;
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413 tuple = PyTuple_Pack(2, subclass, old_mro);
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414 Py_DECREF(old_mro);
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415 if (!tuple)
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416 return -1;
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417 if (PyList_Append(temp, tuple) < 0)
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418 return -1;
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419 Py_DECREF(tuple);
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420 }
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421 if (mro_subclasses(subclass, temp) < 0)
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422 return -1;
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423 }
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424 return 0;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
425 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
426
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
427 static int
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
428 type_set_bases(PyTypeObject *type, PyObject *value, void *context)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
429 {
61466
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430 Py_ssize_t i;
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431 int r = 0;
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432 PyObject *ob, *temp;
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433 PyTypeObject *new_base, *old_base;
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434 PyObject *old_bases, *old_mro;
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435
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436 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
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437 PyErr_Format(PyExc_TypeError,
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438 "can't set %s.__bases__", type->tp_name);
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439 return -1;
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440 }
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441 if (!value) {
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442 PyErr_Format(PyExc_TypeError,
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443 "can't delete %s.__bases__", type->tp_name);
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444 return -1;
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445 }
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446 if (!PyTuple_Check(value)) {
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447 PyErr_Format(PyExc_TypeError,
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448 "can only assign tuple to %s.__bases__, not %s",
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449 type->tp_name, Py_TYPE(value)->tp_name);
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450 return -1;
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451 }
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452 if (PyTuple_GET_SIZE(value) == 0) {
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453 PyErr_Format(PyExc_TypeError,
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454 "can only assign non-empty tuple to %s.__bases__, not ()",
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455 type->tp_name);
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456 return -1;
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457 }
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458 for (i = 0; i < PyTuple_GET_SIZE(value); i++) {
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459 ob = PyTuple_GET_ITEM(value, i);
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460 if (!PyType_Check(ob)) {
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461 PyErr_Format(
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462 PyExc_TypeError,
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463 "%s.__bases__ must be tuple of old- or new-style classes, not '%s'",
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464 type->tp_name, Py_TYPE(ob)->tp_name);
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465 return -1;
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466 }
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467 if (PyType_Check(ob)) {
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468 if (PyType_IsSubtype((PyTypeObject*)ob, type)) {
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469 PyErr_SetString(PyExc_TypeError,
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470 "a __bases__ item causes an inheritance cycle");
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471 return -1;
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472 }
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473 }
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474 }
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diff changeset
475
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476 new_base = best_base(value);
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477
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478 if (!new_base) {
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479 return -1;
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480 }
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481
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482 if (!compatible_for_assignment(type->tp_base, new_base, "__bases__"))
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483 return -1;
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484
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485 Py_INCREF(new_base);
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diff changeset
486 Py_INCREF(value);
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diff changeset
487
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488 old_bases = type->tp_bases;
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489 old_base = type->tp_base;
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490 old_mro = type->tp_mro;
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diff changeset
491
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492 type->tp_bases = value;
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493 type->tp_base = new_base;
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494
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495 if (mro_internal(type) < 0) {
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496 goto bail;
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497 }
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498
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499 temp = PyList_New(0);
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500 if (!temp)
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501 goto bail;
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diff changeset
502
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diff changeset
503 r = mro_subclasses(type, temp);
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504
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505 if (r < 0) {
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506 for (i = 0; i < PyList_Size(temp); i++) {
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diff changeset
507 PyTypeObject* cls;
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diff changeset
508 PyObject* mro;
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509 PyArg_UnpackTuple(PyList_GET_ITEM(temp, i),
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diff changeset
510 "", 2, 2, &cls, &mro);
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diff changeset
511 Py_INCREF(mro);
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diff changeset
512 ob = cls->tp_mro;
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513 cls->tp_mro = mro;
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diff changeset
514 Py_DECREF(ob);
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diff changeset
515 }
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516 Py_DECREF(temp);
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diff changeset
517 goto bail;
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518 }
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519
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520 Py_DECREF(temp);
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521
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522 /* any base that was in __bases__ but now isn't, we
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diff changeset
523 need to remove |type| from its tp_subclasses.
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diff changeset
524 conversely, any class now in __bases__ that wasn't
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diff changeset
525 needs to have |type| added to its subclasses. */
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diff changeset
526
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527 /* for now, sod that: just remove from all old_bases,
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528 add to all new_bases */
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529
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530 for (i = PyTuple_GET_SIZE(old_bases) - 1; i >= 0; i--) {
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diff changeset
531 ob = PyTuple_GET_ITEM(old_bases, i);
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diff changeset
532 if (PyType_Check(ob)) {
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diff changeset
533 remove_subclass(
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534 (PyTypeObject*)ob, type);
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535 }
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536 }
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537
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538 for (i = PyTuple_GET_SIZE(value) - 1; i >= 0; i--) {
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diff changeset
539 ob = PyTuple_GET_ITEM(value, i);
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diff changeset
540 if (PyType_Check(ob)) {
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diff changeset
541 if (add_subclass((PyTypeObject*)ob, type) < 0)
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diff changeset
542 r = -1;
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543 }
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544 }
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diff changeset
545
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diff changeset
546 update_all_slots(type);
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diff changeset
547
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548 Py_DECREF(old_bases);
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diff changeset
549 Py_DECREF(old_base);
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diff changeset
550 Py_DECREF(old_mro);
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diff changeset
551
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552 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
553
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
554 bail:
61466
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555 Py_DECREF(type->tp_bases);
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diff changeset
556 Py_DECREF(type->tp_base);
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diff changeset
557 if (type->tp_mro != old_mro) {
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558 Py_DECREF(type->tp_mro);
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559 }
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560
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561 type->tp_bases = old_bases;
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562 type->tp_base = old_base;
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563 type->tp_mro = old_mro;
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564
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565 return -1;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
566 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
567
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
568 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
569 type_dict(PyTypeObject *type, void *context)
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
570 {
61466
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571 if (type->tp_dict == NULL) {
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572 Py_INCREF(Py_None);
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573 return Py_None;
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574 }
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575 return PyDictProxy_New(type->tp_dict);
2080
c21cc7b3ce28 added getattr(), supporting __doc__ and _name__
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
576 }
c21cc7b3ce28 added getattr(), supporting __doc__ and _name__
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
577
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
578 static PyObject *
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
579 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
580 {
61466
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581 PyObject *result;
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582 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE) && type->tp_doc != NULL)
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583 return PyUnicode_FromString(type->tp_doc);
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584 result = PyDict_GetItemString(type->tp_dict, "__doc__");
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585 if (result == NULL) {
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586 result = Py_None;
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587 Py_INCREF(result);
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588 }
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589 else if (Py_TYPE(result)->tp_descr_get) {
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590 result = Py_TYPE(result)->tp_descr_get(result, NULL,
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591 (PyObject *)type);
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592 }
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593 else {
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594 Py_INCREF(result);
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595 }
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596 return result;
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
597 }
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
598
48875
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
599 static PyObject *
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
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600 type___instancecheck__(PyObject *type, PyObject *inst)
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601 {
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602 switch (_PyObject_RealIsInstance(inst, type)) {
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603 case -1:
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604 return NULL;
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605 case 0:
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606 Py_RETURN_FALSE;
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607 default:
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608 Py_RETURN_TRUE;
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609 }
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610 }
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parents: 48660
diff changeset
611
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
612
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
613 static PyObject *
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
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614 type___subclasscheck__(PyObject *type, PyObject *inst)
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
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parents: 48660
diff changeset
615 {
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616 switch (_PyObject_RealIsSubclass(inst, type)) {
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617 case -1:
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618 return NULL;
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619 case 0:
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620 Py_RETURN_FALSE;
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621 default:
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622 Py_RETURN_TRUE;
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623 }
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624 }
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
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625
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
626
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
627 static PyGetSetDef type_getsets[] = {
61466
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628 {"__name__", (getter)type_name, (setter)type_set_name, NULL},
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629 {"__bases__", (getter)type_get_bases, (setter)type_set_bases, NULL},
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630 {"__module__", (getter)type_module, (setter)type_set_module, NULL},
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631 {"__abstractmethods__", (getter)type_abstractmethods,
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632 (setter)type_set_abstractmethods, NULL},
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633 {"__dict__", (getter)type_dict, NULL, NULL},
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634 {"__doc__", (getter)type_get_doc, NULL, NULL},
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diff changeset
635 {0}
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
636 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
637
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
638 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
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diff changeset
639 type_repr(PyTypeObject *type)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
640 {
61466
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diff changeset
641 PyObject *mod, *name, *rtn;
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diff changeset
642
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diff changeset
643 mod = type_module(type, NULL);
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644 if (mod == NULL)
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645 PyErr_Clear();
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646 else if (!PyUnicode_Check(mod)) {
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647 Py_DECREF(mod);
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diff changeset
648 mod = NULL;
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649 }
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650 name = type_name(type, NULL);
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651 if (name == NULL)
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652 return NULL;
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653
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654 if (mod != NULL && PyUnicode_CompareWithASCIIString(mod, "builtins"))
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655 rtn = PyUnicode_FromFormat("<class '%U.%U'>", mod, name);
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656 else
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657 rtn = PyUnicode_FromFormat("<class '%s'>", type->tp_name);
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658
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659 Py_XDECREF(mod);
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660 Py_DECREF(name);
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661 return rtn;
6
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662 }
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663
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664 static PyObject *
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665 type_call(PyTypeObject *type, PyObject *args, PyObject *kwds)
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666 {
61466
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667 PyObject *obj;
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668
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669 if (type->tp_new == NULL) {
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670 PyErr_Format(PyExc_TypeError,
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671 "cannot create '%.100s' instances",
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672 type->tp_name);
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673 return NULL;
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674 }
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675
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676 obj = type->tp_new(type, args, kwds);
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677 if (obj != NULL) {
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678 /* Ugly exception: when the call was type(something),
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679 don't call tp_init on the result. */
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680 if (type == &PyType_Type &&
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681 PyTuple_Check(args) && PyTuple_GET_SIZE(args) == 1 &&
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682 (kwds == NULL ||
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683 (PyDict_Check(kwds) && PyDict_Size(kwds) == 0)))
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684 return obj;
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685 /* If the returned object is not an instance of type,
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686 it won't be initialized. */
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687 if (!PyType_IsSubtype(Py_TYPE(obj), type))
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688 return obj;
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689 type = Py_TYPE(obj);
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690 if (type->tp_init != NULL &&
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691 type->tp_init(obj, args, kwds) < 0) {
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692 Py_DECREF(obj);
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693 obj = NULL;
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694 }
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695 }
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696 return obj;
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697 }
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698
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699 PyObject *
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700 PyType_GenericAlloc(PyTypeObject *type, Py_ssize_t nitems)
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701 {
61466
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702 PyObject *obj;
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703 const size_t size = _PyObject_VAR_SIZE(type, nitems+1);
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704 /* note that we need to add one, for the sentinel */
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705
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706 if (PyType_IS_GC(type))
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707 obj = _PyObject_GC_Malloc(size);
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708 else
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709 obj = (PyObject *)PyObject_MALLOC(size);
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710
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711 if (obj == NULL)
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712 return PyErr_NoMemory();
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diff changeset
713
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714 memset(obj, '\0', size);
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715
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716 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE)
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717 Py_INCREF(type);
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718
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719 if (type->tp_itemsize == 0)
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720 PyObject_INIT(obj, type);
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721 else
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722 (void) PyObject_INIT_VAR((PyVarObject *)obj, type, nitems);
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723
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724 if (PyType_IS_GC(type))
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diff changeset
725 _PyObject_GC_TRACK(obj);
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726 return obj;
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727 }
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728
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729 PyObject *
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730 PyType_GenericNew(PyTypeObject *type, PyObject *args, PyObject *kwds)
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731 {
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732 return type->tp_alloc(type, 0);
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733 }
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734
20277
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parents: 20259
diff changeset
735 /* Helpers for subtyping */
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
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parents: 20259
diff changeset
736
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737 static int
23666
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738 traverse_slots(PyTypeObject *type, PyObject *self, visitproc visit, void *arg)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
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diff changeset
739 {
61466
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740 Py_ssize_t i, n;
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741 PyMemberDef *mp;
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742
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743 n = Py_SIZE(type);
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744 mp = PyHeapType_GET_MEMBERS((PyHeapTypeObject *)type);
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745 for (i = 0; i < n; i++, mp++) {
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746 if (mp->type == T_OBJECT_EX) {
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747 char *addr = (char *)self + mp->offset;
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748 PyObject *obj = *(PyObject **)addr;
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749 if (obj != NULL) {
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750 int err = visit(obj, arg);
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751 if (err)
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752 return err;
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753 }
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754 }
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755 }
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756 return 0;
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757 }
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758
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
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759 static int
20277
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760 subtype_traverse(PyObject *self, visitproc visit, void *arg)
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761 {
61466
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762 PyTypeObject *type, *base;
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763 traverseproc basetraverse;
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764
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765 /* Find the nearest base with a different tp_traverse,
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766 and traverse slots while we're at it */
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767 type = Py_TYPE(self);
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768 base = type;
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769 while ((basetraverse = base->tp_traverse) == subtype_traverse) {
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770 if (Py_SIZE(base)) {
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771 int err = traverse_slots(base, self, visit, arg);
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772 if (err)
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773 return err;
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774 }
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775 base = base->tp_base;
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776 assert(base);
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777 }
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778
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779 if (type->tp_dictoffset != base->tp_dictoffset) {
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780 PyObject **dictptr = _PyObject_GetDictPtr(self);
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781 if (dictptr && *dictptr)
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782 Py_VISIT(*dictptr);
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783 }
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784
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785 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE)
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786 /* For a heaptype, the instances count as references
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787 to the type. Traverse the type so the collector
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788 can find cycles involving this link. */
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789 Py_VISIT(type);
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790
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791 if (basetraverse)
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792 return basetraverse(self, visit, arg);
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793 return 0;
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794 }
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795
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796 static void
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797 clear_slots(PyTypeObject *type, PyObject *self)
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798 {
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799 Py_ssize_t i, n;
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800 PyMemberDef *mp;
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801
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802 n = Py_SIZE(type);
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803 mp = PyHeapType_GET_MEMBERS((PyHeapTypeObject *)type);
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804 for (i = 0; i < n; i++, mp++) {
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805 if (mp->type == T_OBJECT_EX && !(mp->flags & READONLY)) {
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806 char *addr = (char *)self + mp->offset;
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807 PyObject *obj = *(PyObject **)addr;
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808 if (obj != NULL) {
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809 *(PyObject **)addr = NULL;
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810 Py_DECREF(obj);
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811 }
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812 }
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813 }
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814 }
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815
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816 static int
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817 subtype_clear(PyObject *self)
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818 {
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819 PyTypeObject *type, *base;
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820 inquiry baseclear;
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821
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822 /* Find the nearest base with a different tp_clear
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823 and clear slots while we're at it */
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824 type = Py_TYPE(self);
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825 base = type;
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826 while ((baseclear = base->tp_clear) == subtype_clear) {
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827 if (Py_SIZE(base))
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828 clear_slots(base, self);
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829 base = base->tp_base;
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830 assert(base);
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831 }
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832
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833 /* There's no need to clear the instance dict (if any);
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834 the collector will call its tp_clear handler. */
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835
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836 if (baseclear)
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837 return baseclear(self);
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838 return 0;
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839 }
18933
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840
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841 static void
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842 subtype_dealloc(PyObject *self)
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843 {
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844 PyTypeObject *type, *base;
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845 destructor basedealloc;
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846
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847 /* Extract the type; we expect it to be a heap type */
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848 type = Py_TYPE(self);
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849 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
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850
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851 /* Test whether the type has GC exactly once */
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852
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853 if (!PyType_IS_GC(type)) {
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854 /* It's really rare to find a dynamic type that doesn't have
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855 GC; it can only happen when deriving from 'object' and not
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856 adding any slots or instance variables. This allows
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857 certain simplifications: there's no need to call
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858 clear_slots(), or DECREF the dict, or clear weakrefs. */
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859
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860 /* Maybe call finalizer; exit early if resurrected */
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861 if (type->tp_del) {
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862 type->tp_del(self);
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863 if (self->ob_refcnt > 0)
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864 return;
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865 }
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866
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867 /* Find the nearest base with a different tp_dealloc */
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868 base = type;
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869 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
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870 assert(Py_SIZE(base) == 0);
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871 base = base->tp_base;
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872 assert(base);
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873 }
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874
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875 /* Extract the type again; tp_del may have changed it */
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876 type = Py_TYPE(self);
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877
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878 /* Call the base tp_dealloc() */
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879 assert(basedealloc);
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880 basedealloc(self);
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881
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882 /* Can't reference self beyond this point */
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883 Py_DECREF(type);
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884
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885 /* Done */
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886 return;
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887 }
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888
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889 /* We get here only if the type has GC */
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890
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891 /* UnTrack and re-Track around the trashcan macro, alas */
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892 /* See explanation at end of function for full disclosure */
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893 PyObject_GC_UnTrack(self);
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894 ++_PyTrash_delete_nesting;
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895 Py_TRASHCAN_SAFE_BEGIN(self);
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896 --_PyTrash_delete_nesting;
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897 /* DO NOT restore GC tracking at this point. weakref callbacks
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898 * (if any, and whether directly here or indirectly in something we
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899 * call) may trigger GC, and if self is tracked at that point, it
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900 * will look like trash to GC and GC will try to delete self again.
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901 */
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902
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903 /* Find the nearest base with a different tp_dealloc */
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904 base = type;
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905 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
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906 base = base->tp_base;
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907 assert(base);
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908 }
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909
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910 /* If we added a weaklist, we clear it. Do this *before* calling
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911 the finalizer (__del__), clearing slots, or clearing the instance
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912 dict. */
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913
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914 if (type->tp_weaklistoffset && !base->tp_weaklistoffset)
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915 PyObject_ClearWeakRefs(self);
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916
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917 /* Maybe call finalizer; exit early if resurrected */
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918 if (type->tp_del) {
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919 _PyObject_GC_TRACK(self);
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920 type->tp_del(self);
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921 if (self->ob_refcnt > 0)
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922 goto endlabel; /* resurrected */
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923 else
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924 _PyObject_GC_UNTRACK(self);
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925 /* New weakrefs could be created during the finalizer call.
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926 If this occurs, clear them out without calling their
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927 finalizers since they might rely on part of the object
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928 being finalized that has already been destroyed. */
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929 if (type->tp_weaklistoffset && !base->tp_weaklistoffset) {
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930 /* Modeled after GET_WEAKREFS_LISTPTR() */
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931 PyWeakReference **list = (PyWeakReference **) \
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932 PyObject_GET_WEAKREFS_LISTPTR(self);
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933 while (*list)
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934 _PyWeakref_ClearRef(*list);
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935 }
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936 }
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937
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938 /* Clear slots up to the nearest base with a different tp_dealloc */
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939 base = type;
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940 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
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941 if (Py_SIZE(base))
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942 clear_slots(base, self);
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943 base = base->tp_base;
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944 assert(base);
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945 }
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946
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947 /* If we added a dict, DECREF it */
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948 if (type->tp_dictoffset && !base->tp_dictoffset) {
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949 PyObject **dictptr = _PyObject_GetDictPtr(self);
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950 if (dictptr != NULL) {
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951 PyObject *dict = *dictptr;
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952 if (dict != NULL) {
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953 Py_DECREF(dict);
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954 *dictptr = NULL;
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955 }
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956 }
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957 }
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958
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959 /* Extract the type again; tp_del may have changed it */
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960 type = Py_TYPE(self);
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961
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962 /* Call the base tp_dealloc(); first retrack self if
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963 * basedealloc knows about gc.
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964 */
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965 if (PyType_IS_GC(base))
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966 _PyObject_GC_TRACK(self);
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967 assert(basedealloc);
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968 basedealloc(self);
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969
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970 /* Can't reference self beyond this point */
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971 Py_DECREF(type);
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
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972
24653
1ab27c1770df Fix a subtle bug in the trashcan code I added yesterday to
Guido van Rossum <guido@python.org>
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973 endlabel:
61466
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974 ++_PyTrash_delete_nesting;
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975 Py_TRASHCAN_SAFE_END(self);
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976 --_PyTrash_delete_nesting;
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977
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978 /* Explanation of the weirdness around the trashcan macros:
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979
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980 Q. What do the trashcan macros do?
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981
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982 A. Read the comment titled "Trashcan mechanism" in object.h.
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983 For one, this explains why there must be a call to GC-untrack
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984 before the trashcan begin macro. Without understanding the
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985 trashcan code, the answers to the following questions don't make
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986 sense.
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987
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988 Q. Why do we GC-untrack before the trashcan and then immediately
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989 GC-track again afterward?
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990
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991 A. In the case that the base class is GC-aware, the base class
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992 probably GC-untracks the object. If it does that using the
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993 UNTRACK macro, this will crash when the object is already
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994 untracked. Because we don't know what the base class does, the
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995 only safe thing is to make sure the object is tracked when we
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996 call the base class dealloc. But... The trashcan begin macro
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997 requires that the object is *untracked* before it is called. So
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998 the dance becomes:
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999
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1000 GC untrack
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1001 trashcan begin
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1002 GC track
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1003
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1004 Q. Why did the last question say "immediately GC-track again"?
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1005 It's nowhere near immediately.
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1006
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1007 A. Because the code *used* to re-track immediately. Bad Idea.
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1008 self has a refcount of 0, and if gc ever gets its hands on it
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1009 (which can happen if any weakref callback gets invoked), it
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1010 looks like trash to gc too, and gc also tries to delete self
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1011 then. But we're already deleting self. Double dealloction is
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1012 a subtle disaster.
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1013
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1014 Q. Why the bizarre (net-zero) manipulation of
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1015 _PyTrash_delete_nesting around the trashcan macros?
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1016
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1017 A. Some base classes (e.g. list) also use the trashcan mechanism.
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1018 The following scenario used to be possible:
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1019
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1020 - suppose the trashcan level is one below the trashcan limit
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1021
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1022 - subtype_dealloc() is called
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1023
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1024 - the trashcan limit is not yet reached, so the trashcan level
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1025 is incremented and the code between trashcan begin and end is
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1026 executed
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1027
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1028 - this destroys much of the object's contents, including its
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1029 slots and __dict__
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1030
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1031 - basedealloc() is called; this is really list_dealloc(), or
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1032 some other type which also uses the trashcan macros
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1033
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1034 - the trashcan limit is now reached, so the object is put on the
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1035 trashcan's to-be-deleted-later list
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1036
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1037 - basedealloc() returns
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1038
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1039 - subtype_dealloc() decrefs the object's type
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1040
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1041 - subtype_dealloc() returns
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1042
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1043 - later, the trashcan code starts deleting the objects from its
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1044 to-be-deleted-later list
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1045
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1046 - subtype_dealloc() is called *AGAIN* for the same object
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1047
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1048 - at the very least (if the destroyed slots and __dict__ don't
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1049 cause problems) the object's type gets decref'ed a second
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1050 time, which is *BAD*!!!
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1051
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1052 The remedy is to make sure that if the code between trashcan
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1053 begin and end in subtype_dealloc() is called, the code between
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1054 trashcan begin and end in basedealloc() will also be called.
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1055 This is done by decrementing the level after passing into the
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1056 trashcan block, and incrementing it just before leaving the
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1057 block.
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1058
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1059 But now it's possible that a chain of objects consisting solely
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1060 of objects whose deallocator is subtype_dealloc() will defeat
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1061 the trashcan mechanism completely: the decremented level means
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1062 that the effective level never reaches the limit. Therefore, we
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1063 *increment* the level *before* entering the trashcan block, and
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1064 matchingly decrement it after leaving. This means the trashcan
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1065 code will trigger a little early, but that's no big deal.
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1066
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1067 Q. Are there any live examples of code in need of all this
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1068 complexity?
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1069
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1070 A. Yes. See SF bug 668433 for code that crashed (when Python was
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1071 compiled in debug mode) before the trashcan level manipulations
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1072 were added. For more discussion, see SF patches 581742, 575073
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1073 and bug 574207.
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1074 */
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1075 }
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1076
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1077 static PyTypeObject *solid_base(PyTypeObject *type);
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1078
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1079 /* type test with subclassing support */
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1080
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1081 int
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1082 PyType_IsSubtype(PyTypeObject *a, PyTypeObject *b)
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1083 {
61466
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1084 PyObject *mro;
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1085
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1086 mro = a->tp_mro;
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1087 if (mro != NULL) {
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1088 /* Deal with multiple inheritance without recursion
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1089 by walking the MRO tuple */
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1090 Py_ssize_t i, n;
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1091 assert(PyTuple_Check(mro));
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1092 n = PyTuple_GET_SIZE(mro);
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1093 for (i = 0; i < n; i++) {
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1094 if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
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1095 return 1;
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1096 }
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1097 return 0;
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1098 }
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1099 else {
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1100 /* a is not completely initilized yet; follow tp_base */
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1101 do {
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1102 if (a == b)
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1103 return 1;
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1104 a = a->tp_base;
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1105 } while (a != NULL);
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1106 return b == &PyBaseObject_Type;
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1107 }
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1108 }
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1109
19913
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1110 /* 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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1111 without looking in the instance dictionary
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1112 (so we can't use PyObject_GetAttr) but still binding
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1113 it to the instance. The arguments are the object,
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1114 the method name as a C string, and the address of a
19913
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1115 static variable used to cache the interned Python string.
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1116
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1117 Two variants:
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1118
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
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1119 - lookup_maybe() returns NULL without raising an exception
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1120 when the _PyType_Lookup() call fails;
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1121
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1122 - lookup_method() always raises an exception upon errors.
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1123
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1124 - _PyObject_LookupSpecial() exported for the benefit of other places.
19913
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1125 */
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1126
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1127 static PyObject *
19913
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1128 lookup_maybe(PyObject *self, char *attrstr, PyObject **attrobj)
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1129 {
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1130 PyObject *res;
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1131
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1132 if (*attrobj == NULL) {
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1133 *attrobj = PyUnicode_InternFromString(attrstr);
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1134 if (*attrobj == NULL)
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1135 return NULL;
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1136 }
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1137 res = _PyType_Lookup(Py_TYPE(self), *attrobj);
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1138 if (res != NULL) {
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1139 descrgetfunc f;
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1140 if ((f = Py_TYPE(res)->tp_descr_get) == NULL)
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1141 Py_INCREF(res);
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1142 else
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1143 res = f(res, self, (PyObject *)(Py_TYPE(self)));
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1144 }
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1145 return res;
19535
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1146 }
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1147
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1148 static PyObject *
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1149 lookup_method(PyObject *self, char *attrstr, PyObject **attrobj)
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1150 {
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1151 PyObject *res = lookup_maybe(self, attrstr, attrobj);
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1152 if (res == NULL && !PyErr_Occurred())
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1153 PyErr_SetObject(PyExc_AttributeError, *attrobj);
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1154 return res;
19913
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1155 }
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1156
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1157 PyObject *
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1158 _PyObject_LookupSpecial(PyObject *self, char *attrstr, PyObject **attrobj)
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1159 {
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1160 return lookup_maybe(self, attrstr, attrobj);
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1161 }
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1162
19538
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1163 /* A variation of PyObject_CallMethod that uses lookup_method()
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1164 instead of PyObject_GetAttrString(). This uses the same convention
19538
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1165 as lookup_method to cache the interned name string object. */
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1166
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
1167 static PyObject *
19538
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1168 call_method(PyObject *o, char *name, PyObject **nameobj, char *format, ...)
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1169 {
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1170 va_list va;
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1171 PyObject *args, *func = 0, *retval;
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1172 va_start(va, format);
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1173
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1174 func = lookup_maybe(o, name, nameobj);
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1175 if (func == NULL) {
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1176 va_end(va);
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1177 if (!PyErr_Occurred())
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1178 PyErr_SetObject(PyExc_AttributeError, *nameobj);
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1179 return NULL;
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1180 }
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1181
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1182 if (format && *format)
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1183 args = Py_VaBuildValue(format, va);
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1184 else
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1185 args = PyTuple_New(0);
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1186
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1187 va_end(va);
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1188
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1189 if (args == NULL)
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1190 return NULL;
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1191
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1192 assert(PyTuple_Check(args));
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diff changeset
1193 retval = PyObject_Call(func, args, NULL);
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diff changeset
1194
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diff changeset
1195 Py_DECREF(args);
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diff changeset
1196 Py_DECREF(func);
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diff changeset
1197
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diff changeset
1198 return retval;
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1199 }
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1200
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1201 /* Clone of call_method() that returns NotImplemented when the lookup fails. */
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1202
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
1203 static PyObject *
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1204 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
1205 {
61466
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diff changeset
1206 va_list va;
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parents: 59538
diff changeset
1207 PyObject *args, *func = 0, *retval;
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parents: 59538
diff changeset
1208 va_start(va, format);
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parents: 59538
diff changeset
1209
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parents: 59538
diff changeset
1210 func = lookup_maybe(o, name, nameobj);
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parents: 59538
diff changeset
1211 if (func == NULL) {
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diff changeset
1212 va_end(va);
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parents: 59538
diff changeset
1213 if (!PyErr_Occurred()) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1214 Py_INCREF(Py_NotImplemented);
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parents: 59538
diff changeset
1215 return Py_NotImplemented;
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parents: 59538
diff changeset
1216 }
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diff changeset
1217 return NULL;
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parents: 59538
diff changeset
1218 }
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parents: 59538
diff changeset
1219
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parents: 59538
diff changeset
1220 if (format && *format)
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parents: 59538
diff changeset
1221 args = Py_VaBuildValue(format, va);
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parents: 59538
diff changeset
1222 else
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diff changeset
1223 args = PyTuple_New(0);
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parents: 59538
diff changeset
1224
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parents: 59538
diff changeset
1225 va_end(va);
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diff changeset
1226
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parents: 59538
diff changeset
1227 if (args == NULL)
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parents: 59538
diff changeset
1228 return NULL;
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parents: 59538
diff changeset
1229
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parents: 59538
diff changeset
1230 assert(PyTuple_Check(args));
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parents: 59538
diff changeset
1231 retval = PyObject_Call(func, args, NULL);
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parents: 59538
diff changeset
1232
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parents: 59538
diff changeset
1233 Py_DECREF(args);
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diff changeset
1234 Py_DECREF(func);
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parents: 59538
diff changeset
1235
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parents: 59538
diff changeset
1236 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
1237 }
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1238
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1239 /*
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1240 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
1241 "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
1242 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
1243 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
1244 (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
1245
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1246 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
1247
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1248 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
1249 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
1250
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1251 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
1252
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1253 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
1254 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
1255 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
1256
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1257 Monotonicity.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1258 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
1259 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
1260
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1261 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
1262 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
1263 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
1264 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
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
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1267 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
1268 tail_contains(PyObject *list, int whence, PyObject *o) {
61466
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diff changeset
1269 Py_ssize_t j, size;
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parents: 59538
diff changeset
1270 size = PyList_GET_SIZE(list);
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parents: 59538
diff changeset
1271
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parents: 59538
diff changeset
1272 for (j = whence+1; j < size; j++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1273 if (PyList_GET_ITEM(list, j) == o)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1274 return 1;
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parents: 59538
diff changeset
1275 }
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parents: 59538
diff changeset
1276 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
1277 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1278
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1279 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
1280 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
1281 {
61466
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diff changeset
1282 PyObject *name = PyObject_GetAttrString(cls, "__name__");
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parents: 59538
diff changeset
1283 if (name == NULL) {
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parents: 59538
diff changeset
1284 PyErr_Clear();
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parents: 59538
diff changeset
1285 Py_XDECREF(name);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1286 name = PyObject_Repr(cls);
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parents: 59538
diff changeset
1287 }
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parents: 59538
diff changeset
1288 if (name == NULL)
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parents: 59538
diff changeset
1289 return NULL;
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parents: 59538
diff changeset
1290 if (!PyUnicode_Check(name)) {
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parents: 59538
diff changeset
1291 Py_DECREF(name);
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parents: 59538
diff changeset
1292 return NULL;
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diff changeset
1293 }
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diff changeset
1294 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
1295 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1296
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1297 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
1298 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
1299 {
61466
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diff changeset
1300 Py_ssize_t i, j, n;
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diff changeset
1301 /* Let's use a quadratic time algorithm,
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parents: 59538
diff changeset
1302 assuming that the bases lists is short.
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diff changeset
1303 */
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diff changeset
1304 n = PyList_GET_SIZE(list);
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diff changeset
1305 for (i = 0; i < n; i++) {
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parents: 59538
diff changeset
1306 PyObject *o = PyList_GET_ITEM(list, i);
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parents: 59538
diff changeset
1307 for (j = i + 1; j < n; j++) {
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parents: 59538
diff changeset
1308 if (PyList_GET_ITEM(list, j) == o) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1309 o = class_name(o);
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parents: 59538
diff changeset
1310 if (o != NULL) {
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parents: 59538
diff changeset
1311 PyErr_Format(PyExc_TypeError,
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parents: 59538
diff changeset
1312 "duplicate base class %U",
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parents: 59538
diff changeset
1313 o);
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diff changeset
1314 Py_DECREF(o);
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diff changeset
1315 } else {
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diff changeset
1316 PyErr_SetString(PyExc_TypeError,
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diff changeset
1317 "duplicate base class");
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diff changeset
1318 }
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diff changeset
1319 return -1;
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diff changeset
1320 }
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diff changeset
1321 }
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diff changeset
1322 }
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diff changeset
1323 return 0;
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1324 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1325
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1326 /* 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
1327
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1328 It'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
1329 insight into error reporting, report the classes that were candidates
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1330 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
1331 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
1332 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
1333 */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1334
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1335 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
1336 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
1337 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1338 Py_ssize_t i, n, off, to_merge_size;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1339 char buf[1000];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1340 PyObject *k, *v;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1341 PyObject *set = PyDict_New();
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1342 if (!set) return;
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parents: 59538
diff changeset
1343
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1344 to_merge_size = PyList_GET_SIZE(to_merge);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1345 for (i = 0; i < to_merge_size; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1346 PyObject *L = PyList_GET_ITEM(to_merge, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1347 if (remain[i] < PyList_GET_SIZE(L)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1348 PyObject *c = PyList_GET_ITEM(L, remain[i]);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1349 if (PyDict_SetItem(set, c, Py_None) < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1350 Py_DECREF(set);
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parents: 59538
diff changeset
1351 return;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1352 }
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parents: 59538
diff changeset
1353 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1354 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1355 n = PyDict_Size(set);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1356
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parents: 59538
diff changeset
1357 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
1358 consistent method resolution\norder (MRO) for bases");
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
1359 i = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1360 while (PyDict_Next(set, &i, &k, &v) && (size_t)off < sizeof(buf)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1361 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
1362 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
1363 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
1364 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
1365 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
1366 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
1367 } else
61722
7dcd1a269797 Ooops, add missing ";" in my previous commit (r81324, typeobject.c)
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61721
diff changeset
1368 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
1369 off += PyOS_snprintf(buf + off, sizeof(buf) - off, " %s", name_str);
61466
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diff changeset
1370 Py_XDECREF(name);
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diff changeset
1371 if (--n && (size_t)(off+1) < sizeof(buf)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
1372 buf[off++] = ',';
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diff changeset
1373 buf[off] = '\0';
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diff changeset
1374 }
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diff changeset
1375 }
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parents: 59538
diff changeset
1376 PyErr_SetString(PyExc_TypeError, buf);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1377 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
1378 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1379
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1380 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
1381 pmerge(PyObject *acc, PyObject* to_merge) {
61466
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diff changeset
1382 Py_ssize_t i, j, to_merge_size, empty_cnt;
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diff changeset
1383 int *remain;
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diff changeset
1384 int ok;
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diff changeset
1385
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diff changeset
1386 to_merge_size = PyList_GET_SIZE(to_merge);
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diff changeset
1387
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diff changeset
1388 /* remain stores an index into each sublist of to_merge.
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parents: 59538
diff changeset
1389 remain[i] is the index of the next base in to_merge[i]
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parents: 59538
diff changeset
1390 that is not included in acc.
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diff changeset
1391 */
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diff changeset
1392 remain = (int *)PyMem_MALLOC(SIZEOF_INT*to_merge_size);
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diff changeset
1393 if (remain == NULL)
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diff changeset
1394 return -1;
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diff changeset
1395 for (i = 0; i < to_merge_size; i++)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
1396 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
1397
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1398 again:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
1399 empty_cnt = 0;
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diff changeset
1400 for (i = 0; i < to_merge_size; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1401 PyObject *candidate;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
1402
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diff changeset
1403 PyObject *cur_list = PyList_GET_ITEM(to_merge, i);
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diff changeset
1404
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diff changeset
1405 if (remain[i] >= PyList_GET_SIZE(cur_list)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
1406 empty_cnt++;
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diff changeset
1407 continue;
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diff changeset
1408 }
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diff changeset
1409
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diff changeset
1410 /* Choose next candidate for MRO.
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diff changeset
1411
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diff changeset
1412 The input sequences alone can determine the choice.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
1413 If not, choose the class which appears in the MRO
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1414 of the earliest direct superclass of the new class.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1415 */
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diff changeset
1416
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parents: 59538
diff changeset
1417 candidate = PyList_GET_ITEM(cur_list, remain[i]);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1418 for (j = 0; j < to_merge_size; j++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1419 PyObject *j_lst = PyList_GET_ITEM(to_merge, j);
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parents: 59538
diff changeset
1420 if (tail_contains(j_lst, remain[j], candidate)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1421 goto skip; /* continue outer loop */
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diff changeset
1422 }
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diff changeset
1423 }
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diff changeset
1424 ok = PyList_Append(acc, candidate);
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parents: 59538
diff changeset
1425 if (ok < 0) {
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parents: 59538
diff changeset
1426 PyMem_Free(remain);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1427 return -1;
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parents: 59538
diff changeset
1428 }
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diff changeset
1429 for (j = 0; j < to_merge_size; j++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1430 PyObject *j_lst = PyList_GET_ITEM(to_merge, j);
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parents: 59538
diff changeset
1431 if (remain[j] < PyList_GET_SIZE(j_lst) &&
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parents: 59538
diff changeset
1432 PyList_GET_ITEM(j_lst, remain[j]) == candidate) {
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parents: 59538
diff changeset
1433 remain[j]++;
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diff changeset
1434 }
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diff changeset
1435 }
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diff changeset
1436 goto again;
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diff changeset
1437 skip: ;
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diff changeset
1438 }
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diff changeset
1439
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diff changeset
1440 if (empty_cnt == to_merge_size) {
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diff changeset
1441 PyMem_FREE(remain);
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diff changeset
1442 return 0;
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1443 }
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diff changeset
1444 set_mro_error(to_merge, remain);
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diff changeset
1445 PyMem_FREE(remain);
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diff changeset
1446 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
1447 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1448
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1449 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1450 mro_implementation(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1451 {
61466
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diff changeset
1452 Py_ssize_t i, n;
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diff changeset
1453 int ok;
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parents: 59538
diff changeset
1454 PyObject *bases, *result;
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parents: 59538
diff changeset
1455 PyObject *to_merge, *bases_aslist;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1456
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parents: 59538
diff changeset
1457 if (type->tp_dict == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1458 if (PyType_Ready(type) < 0)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1459 return NULL;
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parents: 59538
diff changeset
1460 }
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parents: 59538
diff changeset
1461
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diff changeset
1462 /* Find a superclass linearization that honors the constraints
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diff changeset
1463 of the explicit lists of bases and the constraints implied by
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parents: 59538
diff changeset
1464 each base class.
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parents: 59538
diff changeset
1465
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parents: 59538
diff changeset
1466 to_merge is a list of lists, where each list is a superclass
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parents: 59538
diff changeset
1467 linearization implied by a base class. The last element of
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1468 to_merge is the declared list of bases.
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parents: 59538
diff changeset
1469 */
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parents: 59538
diff changeset
1470
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parents: 59538
diff changeset
1471 bases = type->tp_bases;
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parents: 59538
diff changeset
1472 n = PyTuple_GET_SIZE(bases);
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parents: 59538
diff changeset
1473
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parents: 59538
diff changeset
1474 to_merge = PyList_New(n+1);
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parents: 59538
diff changeset
1475 if (to_merge == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1476 return NULL;
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parents: 59538
diff changeset
1477
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parents: 59538
diff changeset
1478 for (i = 0; i < n; i++) {
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parents: 59538
diff changeset
1479 PyObject *base = PyTuple_GET_ITEM(bases, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1480 PyObject *parentMRO;
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parents: 59538
diff changeset
1481 parentMRO = PySequence_List(((PyTypeObject*)base)->tp_mro);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1482 if (parentMRO == NULL) {
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parents: 59538
diff changeset
1483 Py_DECREF(to_merge);
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diff changeset
1484 return NULL;
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parents: 59538
diff changeset
1485 }
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diff changeset
1486
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parents: 59538
diff changeset
1487 PyList_SET_ITEM(to_merge, i, parentMRO);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1488 }
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diff changeset
1489
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diff changeset
1490 bases_aslist = PySequence_List(bases);
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parents: 59538
diff changeset
1491 if (bases_aslist == NULL) {
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diff changeset
1492 Py_DECREF(to_merge);
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diff changeset
1493 return NULL;
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diff changeset
1494 }
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parents: 59538
diff changeset
1495 /* This is just a basic sanity check. */
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parents: 59538
diff changeset
1496 if (check_duplicates(bases_aslist) < 0) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1497 Py_DECREF(to_merge);
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diff changeset
1498 Py_DECREF(bases_aslist);
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parents: 59538
diff changeset
1499 return NULL;
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parents: 59538
diff changeset
1500 }
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parents: 59538
diff changeset
1501 PyList_SET_ITEM(to_merge, n, bases_aslist);
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parents: 59538
diff changeset
1502
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parents: 59538
diff changeset
1503 result = Py_BuildValue("[O]", (PyObject *)type);
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parents: 59538
diff changeset
1504 if (result == NULL) {
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parents: 59538
diff changeset
1505 Py_DECREF(to_merge);
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diff changeset
1506 return NULL;
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parents: 59538
diff changeset
1507 }
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diff changeset
1508
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parents: 59538
diff changeset
1509 ok = pmerge(result, to_merge);
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parents: 59538
diff changeset
1510 Py_DECREF(to_merge);
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diff changeset
1511 if (ok < 0) {
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diff changeset
1512 Py_DECREF(result);
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diff changeset
1513 return NULL;
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diff changeset
1514 }
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diff changeset
1515
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diff changeset
1516 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1517 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1518
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1519 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
1520 mro_external(PyObject *self)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1521 {
61466
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diff changeset
1522 PyTypeObject *type = (PyTypeObject *)self;
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diff changeset
1523
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diff changeset
1524 return mro_implementation(type);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1525 }
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Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1526
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1527 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1528 mro_internal(PyTypeObject *type)
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parents: 18068
diff changeset
1529 {
61466
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diff changeset
1530 PyObject *mro, *result, *tuple;
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parents: 59538
diff changeset
1531 int checkit = 0;
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parents: 59538
diff changeset
1532
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diff changeset
1533 if (Py_TYPE(type) == &PyType_Type) {
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parents: 59538
diff changeset
1534 result = mro_implementation(type);
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parents: 59538
diff changeset
1535 }
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diff changeset
1536 else {
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parents: 59538
diff changeset
1537 static PyObject *mro_str;
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parents: 59538
diff changeset
1538 checkit = 1;
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parents: 59538
diff changeset
1539 mro = lookup_method((PyObject *)type, "mro", &mro_str);
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parents: 59538
diff changeset
1540 if (mro == NULL)
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parents: 59538
diff changeset
1541 return -1;
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parents: 59538
diff changeset
1542 result = PyObject_CallObject(mro, NULL);
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parents: 59538
diff changeset
1543 Py_DECREF(mro);
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parents: 59538
diff changeset
1544 }
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parents: 59538
diff changeset
1545 if (result == NULL)
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parents: 59538
diff changeset
1546 return -1;
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parents: 59538
diff changeset
1547 tuple = PySequence_Tuple(result);
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parents: 59538
diff changeset
1548 Py_DECREF(result);
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parents: 59538
diff changeset
1549 if (tuple == NULL)
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parents: 59538
diff changeset
1550 return -1;
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parents: 59538
diff changeset
1551 if (checkit) {
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parents: 59538
diff changeset
1552 Py_ssize_t i, len;
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parents: 59538
diff changeset
1553 PyObject *cls;
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parents: 59538
diff changeset
1554 PyTypeObject *solid;
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parents: 59538
diff changeset
1555
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diff changeset
1556 solid = solid_base(type);
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diff changeset
1557
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diff changeset
1558 len = PyTuple_GET_SIZE(tuple);
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diff changeset
1559
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parents: 59538
diff changeset
1560 for (i = 0; i < len; i++) {
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diff changeset
1561 PyTypeObject *t;
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diff changeset
1562 cls = PyTuple_GET_ITEM(tuple, i);
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parents: 59538
diff changeset
1563 if (!PyType_Check(cls)) {
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parents: 59538
diff changeset
1564 PyErr_Format(PyExc_TypeError,
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parents: 59538
diff changeset
1565 "mro() returned a non-class ('%.500s')",
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parents: 59538
diff changeset
1566 Py_TYPE(cls)->tp_name);
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parents: 59538
diff changeset
1567 Py_DECREF(tuple);
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diff changeset
1568 return -1;
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parents: 59538
diff changeset
1569 }
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diff changeset
1570 t = (PyTypeObject*)cls;
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diff changeset
1571 if (!PyType_IsSubtype(solid, solid_base(t))) {
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diff changeset
1572 PyErr_Format(PyExc_TypeError,
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diff changeset
1573 "mro() returned base with unsuitable layout ('%.500s')",
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parents: 59538
diff changeset
1574 t->tp_name);
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diff changeset
1575 Py_DECREF(tuple);
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diff changeset
1576 return -1;
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parents: 59538
diff changeset
1577 }
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diff changeset
1578 }
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diff changeset
1579 }
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diff changeset
1580 type->tp_mro = tuple;
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diff changeset
1581
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diff changeset
1582 type_mro_modified(type, type->tp_mro);
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diff changeset
1583 /* corner case: the old-style super class might have been hidden
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diff changeset
1584 from the custom MRO */
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diff changeset
1585 type_mro_modified(type, type->tp_bases);
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parents: 59538
diff changeset
1586
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diff changeset
1587 PyType_Modified(type);
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diff changeset
1588
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diff changeset
1589 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1590 }
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parents: 18068
diff changeset
1591
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diff changeset
1592
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parents: 18068
diff changeset
1593 /* Calculate the best base amongst multiple base classes.
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parents: 18068
diff changeset
1594 This is the first one that's on the path to the "solid base". */
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diff changeset
1595
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parents: 18068
diff changeset
1596 static PyTypeObject *
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parents: 18068
diff changeset
1597 best_base(PyObject *bases)
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parents: 18068
diff changeset
1598 {
61466
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diff changeset
1599 Py_ssize_t i, n;
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diff changeset
1600 PyTypeObject *base, *winner, *candidate, *base_i;
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diff changeset
1601 PyObject *base_proto;
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diff changeset
1602
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diff changeset
1603 assert(PyTuple_Check(bases));
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diff changeset
1604 n = PyTuple_GET_SIZE(bases);
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diff changeset
1605 assert(n > 0);
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diff changeset
1606 base = NULL;
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diff changeset
1607 winner = NULL;
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diff changeset
1608 for (i = 0; i < n; i++) {
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diff changeset
1609 base_proto = PyTuple_GET_ITEM(bases, i);
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diff changeset
1610 if (!PyType_Check(base_proto)) {
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parents: 59538
diff changeset
1611 PyErr_SetString(
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diff changeset
1612 PyExc_TypeError,
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diff changeset
1613 "bases must be types");
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diff changeset
1614 return NULL;
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parents: 59538
diff changeset
1615 }
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diff changeset
1616 base_i = (PyTypeObject *)base_proto;
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diff changeset
1617 if (base_i->tp_dict == NULL) {
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diff changeset
1618 if (PyType_Ready(base_i) < 0)
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diff changeset
1619 return NULL;
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diff changeset
1620 }
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diff changeset
1621 candidate = solid_base(base_i);
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diff changeset
1622 if (winner == NULL) {
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diff changeset
1623 winner = candidate;
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diff changeset
1624 base = base_i;
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diff changeset
1625 }
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diff changeset
1626 else if (PyType_IsSubtype(winner, candidate))
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diff changeset
1627 ;
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diff changeset
1628 else if (PyType_IsSubtype(candidate, winner)) {
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diff changeset
1629 winner = candidate;
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diff changeset
1630 base = base_i;
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diff changeset
1631 }
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diff changeset
1632 else {
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diff changeset
1633 PyErr_SetString(
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1634 PyExc_TypeError,
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diff changeset
1635 "multiple bases have "
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diff changeset
1636 "instance lay-out conflict");
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diff changeset
1637 return NULL;
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parents: 59538
diff changeset
1638 }
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diff changeset
1639 }
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parents: 59538
diff changeset
1640 if (base == NULL)
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diff changeset
1641 PyErr_SetString(PyExc_TypeError,
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diff changeset
1642 "a new-style class can't have only classic bases");
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diff changeset
1643 return base;
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09df3254b49d Merge of descr-branch back into trunk.
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diff changeset
1644 }
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parents: 18068
diff changeset
1645
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diff changeset
1646 static int
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diff changeset
1647 extra_ivars(PyTypeObject *type, PyTypeObject *base)
09df3254b49d Merge of descr-branch back into trunk.
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diff changeset
1648 {
61466
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diff changeset
1649 size_t t_size = type->tp_basicsize;
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diff changeset
1650 size_t b_size = base->tp_basicsize;
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diff changeset
1651
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diff changeset
1652 assert(t_size >= b_size); /* Else type smaller than base! */
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diff changeset
1653 if (type->tp_itemsize || base->tp_itemsize) {
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parents: 59538
diff changeset
1654 /* If itemsize is involved, stricter rules */
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parents: 59538
diff changeset
1655 return t_size != b_size ||
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parents: 59538
diff changeset
1656 type->tp_itemsize != base->tp_itemsize;
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parents: 59538
diff changeset
1657 }
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diff changeset
1658 if (type->tp_weaklistoffset && base->tp_weaklistoffset == 0 &&
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parents: 59538
diff changeset
1659 type->tp_weaklistoffset + sizeof(PyObject *) == t_size &&
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parents: 59538
diff changeset
1660 type->tp_flags & Py_TPFLAGS_HEAPTYPE)
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diff changeset
1661 t_size -= sizeof(PyObject *);
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parents: 59538
diff changeset
1662 if (type->tp_dictoffset && base->tp_dictoffset == 0 &&
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parents: 59538
diff changeset
1663 type->tp_dictoffset + sizeof(PyObject *) == t_size &&
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parents: 59538
diff changeset
1664 type->tp_flags & Py_TPFLAGS_HEAPTYPE)
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parents: 59538
diff changeset
1665 t_size -= sizeof(PyObject *);
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diff changeset
1666
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diff changeset
1667 return t_size != b_size;
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1668 }
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1669
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parents: 18068
diff changeset
1670 static PyTypeObject *
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1671 solid_base(PyTypeObject *type)
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parents: 18068
diff changeset
1672 {
61466
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diff changeset
1673 PyTypeObject *base;
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parents: 59538
diff changeset
1674
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parents: 59538
diff changeset
1675 if (type->tp_base)
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parents: 59538
diff changeset
1676 base = solid_base(type->tp_base);
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diff changeset
1677 else
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parents: 59538
diff changeset
1678 base = &PyBaseObject_Type;
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parents: 59538
diff changeset
1679 if (extra_ivars(type, base))
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parents: 59538
diff changeset
1680 return type;
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parents: 59538
diff changeset
1681 else
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parents: 59538
diff changeset
1682 return base;
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1683 }
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1684
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1685 static void object_dealloc(PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1686 static int object_init(PyObject *, PyObject *, PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1687 static int update_slot(PyTypeObject *, PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1688 static void fixup_slot_dispatchers(PyTypeObject *);
18933
09df3254b49d Merge of descr-branch back into trunk.
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diff changeset
1689
41716
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1690 /*
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diff changeset
1691 * Helpers for __dict__ descriptor. We don't want to expose the dicts
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1692 * inherited from various builtin types. The builtin base usually provides
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parents: 41587
diff changeset
1693 * its own __dict__ descriptor, so we use that when we can.
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parents: 41587
diff changeset
1694 */
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1695 static PyTypeObject *
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parents: 41587
diff changeset
1696 get_builtin_base_with_dict(PyTypeObject *type)
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diff changeset
1697 {
61466
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diff changeset
1698 while (type->tp_base != NULL) {
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diff changeset
1699 if (type->tp_dictoffset != 0 &&
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diff changeset
1700 !(type->tp_flags & Py_TPFLAGS_HEAPTYPE))
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diff changeset
1701 return type;
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diff changeset
1702 type = type->tp_base;
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diff changeset
1703 }
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diff changeset
1704 return NULL;
41716
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diff changeset
1705 }
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diff changeset
1706
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parents: 41587
diff changeset
1707 static PyObject *
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diff changeset
1708 get_dict_descriptor(PyTypeObject *type)
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
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diff changeset
1709 {
61466
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diff changeset
1710 static PyObject *dict_str;
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parents: 59538
diff changeset
1711 PyObject *descr;
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diff changeset
1712
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diff changeset
1713 if (dict_str == NULL) {
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diff changeset
1714 dict_str = PyUnicode_InternFromString("__dict__");
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diff changeset
1715 if (dict_str == NULL)
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diff changeset
1716 return NULL;
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parents: 59538
diff changeset
1717 }
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diff changeset
1718 descr = _PyType_Lookup(type, dict_str);
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diff changeset
1719 if (descr == NULL || !PyDescr_IsData(descr))
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diff changeset
1720 return NULL;
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parents: 59538
diff changeset
1721
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diff changeset
1722 return descr;
41716
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1723 }
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1724
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1725 static void
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
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parents: 41587
diff changeset
1726 raise_dict_descr_error(PyObject *obj)
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1727 {
61466
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diff changeset
1728 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1729 "this __dict__ descriptor does not support "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1730 "'%.200s' objects", Py_TYPE(obj)->tp_name);
41716
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1731 }
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Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1732
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1733 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
1734 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
1735 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1736 PyObject **dictptr;
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parents: 59538
diff changeset
1737 PyObject *dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1738 PyTypeObject *base;
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parents: 59538
diff changeset
1739
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diff changeset
1740 base = get_builtin_base_with_dict(Py_TYPE(obj));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1741 if (base != NULL) {
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parents: 59538
diff changeset
1742 descrgetfunc func;
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parents: 59538
diff changeset
1743 PyObject *descr = get_dict_descriptor(base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1744 if (descr == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1745 raise_dict_descr_error(obj);
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parents: 59538
diff changeset
1746 return NULL;
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parents: 59538
diff changeset
1747 }
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parents: 59538
diff changeset
1748 func = Py_TYPE(descr)->tp_descr_get;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1749 if (func == NULL) {
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parents: 59538
diff changeset
1750 raise_dict_descr_error(obj);
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parents: 59538
diff changeset
1751 return NULL;
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parents: 59538
diff changeset
1752 }
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diff changeset
1753 return func(descr, obj, (PyObject *)(Py_TYPE(obj)));
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parents: 59538
diff changeset
1754 }
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diff changeset
1755
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diff changeset
1756 dictptr = _PyObject_GetDictPtr(obj);
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parents: 59538
diff changeset
1757 if (dictptr == NULL) {
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diff changeset
1758 PyErr_SetString(PyExc_AttributeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
1759 "This object has no __dict__");
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parents: 59538
diff changeset
1760 return NULL;
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parents: 59538
diff changeset
1761 }
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parents: 59538
diff changeset
1762 dict = *dictptr;
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diff changeset
1763 if (dict == NULL)
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diff changeset
1764 *dictptr = dict = PyDict_New();
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diff changeset
1765 Py_XINCREF(dict);
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diff changeset
1766 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
1767 }
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1768
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1769 static int
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1770 subtype_setdict(PyObject *obj, PyObject *value, void *context)
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1771 {
61466
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diff changeset
1772 PyObject **dictptr;
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diff changeset
1773 PyObject *dict;
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parents: 59538
diff changeset
1774 PyTypeObject *base;
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diff changeset
1775
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diff changeset
1776 base = get_builtin_base_with_dict(Py_TYPE(obj));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1777 if (base != NULL) {
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parents: 59538
diff changeset
1778 descrsetfunc func;
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parents: 59538
diff changeset
1779 PyObject *descr = get_dict_descriptor(base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1780 if (descr == NULL) {
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diff changeset
1781 raise_dict_descr_error(obj);
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parents: 59538
diff changeset
1782 return -1;
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parents: 59538
diff changeset
1783 }
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diff changeset
1784 func = Py_TYPE(descr)->tp_descr_set;
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parents: 59538
diff changeset
1785 if (func == NULL) {
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diff changeset
1786 raise_dict_descr_error(obj);
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parents: 59538
diff changeset
1787 return -1;
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parents: 59538
diff changeset
1788 }
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diff changeset
1789 return func(descr, obj, value);
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parents: 59538
diff changeset
1790 }
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diff changeset
1791
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diff changeset
1792 dictptr = _PyObject_GetDictPtr(obj);
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diff changeset
1793 if (dictptr == NULL) {
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diff changeset
1794 PyErr_SetString(PyExc_AttributeError,
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parents: 59538
diff changeset
1795 "This object has no __dict__");
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parents: 59538
diff changeset
1796 return -1;
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parents: 59538
diff changeset
1797 }
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diff changeset
1798 if (value != NULL && !PyDict_Check(value)) {
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parents: 59538
diff changeset
1799 PyErr_Format(PyExc_TypeError,
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diff changeset
1800 "__dict__ must be set to a dictionary, "
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parents: 59538
diff changeset
1801 "not a '%.200s'", Py_TYPE(value)->tp_name);
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diff changeset
1802 return -1;
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parents: 59538
diff changeset
1803 }
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diff changeset
1804 dict = *dictptr;
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diff changeset
1805 Py_XINCREF(value);
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diff changeset
1806 *dictptr = value;
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diff changeset
1807 Py_XDECREF(dict);
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parents: 59538
diff changeset
1808 return 0;
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1809 }
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1810
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
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parents: 24728
diff changeset
1811 static PyObject *
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1812 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
1813 {
61466
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diff changeset
1814 PyObject **weaklistptr;
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diff changeset
1815 PyObject *result;
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diff changeset
1816
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diff changeset
1817 if (Py_TYPE(obj)->tp_weaklistoffset == 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
1818 PyErr_SetString(PyExc_AttributeError,
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diff changeset
1819 "This object has no __weakref__");
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diff changeset
1820 return NULL;
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parents: 59538
diff changeset
1821 }
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diff changeset
1822 assert(Py_TYPE(obj)->tp_weaklistoffset > 0);
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diff changeset
1823 assert(Py_TYPE(obj)->tp_weaklistoffset + sizeof(PyObject *) <=
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parents: 59538
diff changeset
1824 (size_t)(Py_TYPE(obj)->tp_basicsize));
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parents: 59538
diff changeset
1825 weaklistptr = (PyObject **)
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parents: 59538
diff changeset
1826 ((char *)obj + Py_TYPE(obj)->tp_weaklistoffset);
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diff changeset
1827 if (*weaklistptr == NULL)
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diff changeset
1828 result = Py_None;
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diff changeset
1829 else
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diff changeset
1830 result = *weaklistptr;
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diff changeset
1831 Py_INCREF(result);
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diff changeset
1832 return result;
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1833 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1834
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
1835 /* 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
1836
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 static PyGetSetDef subtype_getsets_full[] = {
61466
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diff changeset
1838 {"__dict__", subtype_dict, subtype_setdict,
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diff changeset
1839 PyDoc_STR("dictionary for instance variables (if defined)")},
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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)")},
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diff changeset
1842 {0}
19616
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Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1843 };
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1844
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
1845 static PyGetSetDef subtype_getsets_dict_only[] = {
61466
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parents: 59538
diff changeset
1846 {"__dict__", subtype_dict, subtype_setdict,
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diff changeset
1847 PyDoc_STR("dictionary for instance variables (if defined)")},
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diff changeset
1848 {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
1849 };
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1850
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1851 static PyGetSetDef subtype_getsets_weakref_only[] = {
61466
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diff changeset
1852 {"__weakref__", subtype_getweakref, NULL,
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1853 PyDoc_STR("list of weak references to the object (if defined)")},
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1854 {0}
27132
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1855 };
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1856
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1857 static int
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1858 valid_identifier(PyObject *s)
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1859 {
61466
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1860 if (!PyUnicode_Check(s)) {
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1861 PyErr_Format(PyExc_TypeError,
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1862 "__slots__ items must be strings, not '%.200s'",
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1863 Py_TYPE(s)->tp_name);
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1864 return 0;
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1865 }
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1866 if (!PyUnicode_IsIdentifier(s)) {
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1867 PyErr_SetString(PyExc_TypeError,
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1868 "__slots__ must be identifiers");
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1869 return 0;
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1870 }
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1871 return 1;
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1872 }
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1873
41554
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1874 /* Forward */
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1875 static int
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1876 object_init(PyObject *self, PyObject *args, PyObject *kwds);
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1877
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1878 static int
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1879 type_init(PyObject *cls, PyObject *args, PyObject *kwds)
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1880 {
61466
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1881 int res;
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1882
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1883 assert(args != NULL && PyTuple_Check(args));
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1884 assert(kwds == NULL || PyDict_Check(kwds));
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1885
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1886 if (kwds != NULL && PyDict_Check(kwds) && PyDict_Size(kwds) != 0) {
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1887 PyErr_SetString(PyExc_TypeError,
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1888 "type.__init__() takes no keyword arguments");
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1889 return -1;
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1890 }
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1891
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1892 if (args != NULL && PyTuple_Check(args) &&
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1893 (PyTuple_GET_SIZE(args) != 1 && PyTuple_GET_SIZE(args) != 3)) {
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1894 PyErr_SetString(PyExc_TypeError,
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1895 "type.__init__() takes 1 or 3 arguments");
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1896 return -1;
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1897 }
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1898
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1899 /* Call object.__init__(self) now. */
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1900 /* XXX Could call super(type, cls).__init__() but what's the point? */
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1901 args = PyTuple_GetSlice(args, 0, 0);
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1902 res = object_init(cls, args, NULL);
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1903 Py_DECREF(args);
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1904 return res;
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1905 }
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1906
19616
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1907 static PyObject *
18933
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1908 type_new(PyTypeObject *metatype, PyObject *args, PyObject *kwds)
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1909 {
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1910 PyObject *name, *bases, *dict;
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1911 static char *kwlist[] = {"name", "bases", "dict", 0};
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1912 PyObject *slots, *tmp, *newslots;
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1913 PyTypeObject *type, *base, *tmptype, *winner;
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1914 PyHeapTypeObject *et;
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1915 PyMemberDef *mp;
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1916 Py_ssize_t i, nbases, nslots, slotoffset, add_dict, add_weak;
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1917 int j, may_add_dict, may_add_weak;
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1918
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1919 assert(args != NULL && PyTuple_Check(args));
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1920 assert(kwds == NULL || PyDict_Check(kwds));
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1921
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1922 /* Special case: type(x) should return x->ob_type */
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1923 {
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1924 const Py_ssize_t nargs = PyTuple_GET_SIZE(args);
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1925 const Py_ssize_t nkwds = kwds == NULL ? 0 : PyDict_Size(kwds);
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1926
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1927 if (PyType_CheckExact(metatype) && nargs == 1 && nkwds == 0) {
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1928 PyObject *x = PyTuple_GET_ITEM(args, 0);
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1929 Py_INCREF(Py_TYPE(x));
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1930 return (PyObject *) Py_TYPE(x);
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1931 }
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1932
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1933 /* SF bug 475327 -- if that didn't trigger, we need 3
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1934 arguments. but PyArg_ParseTupleAndKeywords below may give
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1935 a msg saying type() needs exactly 3. */
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1936 if (nargs + nkwds != 3) {
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1937 PyErr_SetString(PyExc_TypeError,
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1938 "type() takes 1 or 3 arguments");
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1939 return NULL;
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1940 }
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1941 }
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1942
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1943 /* Check arguments: (name, bases, dict) */
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1944 if (!PyArg_ParseTupleAndKeywords(args, kwds, "UO!O!:type", kwlist,
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1945 &name,
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1946 &PyTuple_Type, &bases,
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1947 &PyDict_Type, &dict))
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1948 return NULL;
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1949
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1950 /* Determine the proper metatype to deal with this,
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1951 and check for metatype conflicts while we're at it.
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1952 Note that if some other metatype wins to contract,
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1953 it's possible that its instances are not types. */
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1954 nbases = PyTuple_GET_SIZE(bases);
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1955 winner = metatype;
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1956 for (i = 0; i < nbases; i++) {
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1957 tmp = PyTuple_GET_ITEM(bases, i);
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1958 tmptype = Py_TYPE(tmp);
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1959 if (PyType_IsSubtype(winner, tmptype))
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1960 continue;
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1961 if (PyType_IsSubtype(tmptype, winner)) {
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1962 winner = tmptype;
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1963 continue;
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1964 }
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1965 PyErr_SetString(PyExc_TypeError,
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1966 "metaclass conflict: "
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1967 "the metaclass of a derived class "
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1968 "must be a (non-strict) subclass "
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1969 "of the metaclasses of all its bases");
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1970 return NULL;
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1971 }
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1972 if (winner != metatype) {
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1973 if (winner->tp_new != type_new) /* Pass it to the winner */
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1974 return winner->tp_new(winner, args, kwds);
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1975 metatype = winner;
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1976 }
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1977
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1978 /* Adjust for empty tuple bases */
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1979 if (nbases == 0) {
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1980 bases = PyTuple_Pack(1, &PyBaseObject_Type);
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1981 if (bases == NULL)
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1982 return NULL;
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diff changeset
1983 nbases = 1;
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diff changeset
1984 }
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diff changeset
1985 else
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diff changeset
1986 Py_INCREF(bases);
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diff changeset
1987
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diff changeset
1988 /* XXX From here until type is allocated, "return NULL" leaks bases! */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1989
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parents: 59538
diff changeset
1990 /* Calculate best base, and check that all bases are type objects */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1991 base = best_base(bases);
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1992 if (base == NULL) {
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diff changeset
1993 Py_DECREF(bases);
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diff changeset
1994 return NULL;
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diff changeset
1995 }
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diff changeset
1996 if (!PyType_HasFeature(base, Py_TPFLAGS_BASETYPE)) {
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diff changeset
1997 PyErr_Format(PyExc_TypeError,
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parents: 59538
diff changeset
1998 "type '%.100s' is not an acceptable base type",
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
1999 base->tp_name);
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diff changeset
2000 Py_DECREF(bases);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2001 return NULL;
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diff changeset
2002 }
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parents: 59538
diff changeset
2003
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parents: 59538
diff changeset
2004 /* Check for a __slots__ sequence variable in dict, and count it */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2005 slots = PyDict_GetItemString(dict, "__slots__");
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2006 nslots = 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2007 add_dict = 0;
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parents: 59538
diff changeset
2008 add_weak = 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2009 may_add_dict = base->tp_dictoffset == 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2010 may_add_weak = base->tp_weaklistoffset == 0 && base->tp_itemsize == 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2011 if (slots == NULL) {
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parents: 59538
diff changeset
2012 if (may_add_dict) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2013 add_dict++;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2014 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2015 if (may_add_weak) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2016 add_weak++;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2017 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2018 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2019 else {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2020 /* Have slots */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2021
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2022 /* Make it into a tuple */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2023 if (PyUnicode_Check(slots))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2024 slots = PyTuple_Pack(1, slots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2025 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2026 slots = PySequence_Tuple(slots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2027 if (slots == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2028 Py_DECREF(bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2029 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2030 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2031 assert(PyTuple_Check(slots));
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2032
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2033 /* Are slots allowed? */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2034 nslots = PyTuple_GET_SIZE(slots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2035 if (nslots > 0 && base->tp_itemsize != 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2036 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2037 "nonempty __slots__ "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2038 "not supported for subtype of '%s'",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2039 base->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2040 bad_slots:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2041 Py_DECREF(bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2042 Py_DECREF(slots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2043 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2044 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2045
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2046 /* Check for valid slot names and two special cases */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2047 for (i = 0; i < nslots; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2048 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
2049 if (!valid_identifier(tmp))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2050 goto bad_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2051 assert(PyUnicode_Check(tmp));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2052 if (PyUnicode_CompareWithASCIIString(tmp, "__dict__") == 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2053 if (!may_add_dict || add_dict) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2054 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2055 "__dict__ slot disallowed: "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2056 "we already got one");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2057 goto bad_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2058 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2059 add_dict++;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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 if (PyUnicode_CompareWithASCIIString(tmp, "__weakref__") == 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2062 if (!may_add_weak || add_weak) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2063 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2064 "__weakref__ slot disallowed: "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2065 "either we already got one, "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2066 "or __itemsize__ != 0");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2067 goto bad_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2068 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2069 add_weak++;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2070 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2071 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2072
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2073 /* Copy slots into a list, mangle names and sort them.
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2074 Sorted names are needed for __class__ assignment.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2075 Convert them back to tuple at the end.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2076 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2077 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
2078 if (newslots == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2079 goto bad_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2080 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
2081 tmp = PyTuple_GET_ITEM(slots, i);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2082 if ((add_dict &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2083 PyUnicode_CompareWithASCIIString(tmp, "__dict__") == 0) ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2084 (add_weak &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2085 PyUnicode_CompareWithASCIIString(tmp, "__weakref__") == 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2086 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2087 tmp =_Py_Mangle(name, tmp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2088 if (!tmp)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2089 goto bad_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2090 PyList_SET_ITEM(newslots, j, tmp);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2091 j++;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2092 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2093 assert(j == nslots - add_dict - add_weak);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2094 nslots = j;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2095 Py_DECREF(slots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2096 if (PyList_Sort(newslots) == -1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2097 Py_DECREF(bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2098 Py_DECREF(newslots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2099 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2100 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2101 slots = PyList_AsTuple(newslots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2102 Py_DECREF(newslots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2103 if (slots == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2104 Py_DECREF(bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2105 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2106 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2107
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2108 /* Secondary bases may provide weakrefs or dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2109 if (nbases > 1 &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2110 ((may_add_dict && !add_dict) ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2111 (may_add_weak && !add_weak))) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2112 for (i = 0; i < nbases; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2113 tmp = PyTuple_GET_ITEM(bases, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2114 if (tmp == (PyObject *)base)
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diff changeset
2115 continue; /* Skip primary base */
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diff changeset
2116 assert(PyType_Check(tmp));
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diff changeset
2117 tmptype = (PyTypeObject *)tmp;
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diff changeset
2118 if (may_add_dict && !add_dict &&
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diff changeset
2119 tmptype->tp_dictoffset != 0)
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diff changeset
2120 add_dict++;
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diff changeset
2121 if (may_add_weak && !add_weak &&
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diff changeset
2122 tmptype->tp_weaklistoffset != 0)
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diff changeset
2123 add_weak++;
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diff changeset
2124 if (may_add_dict && !add_dict)
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diff changeset
2125 continue;
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diff changeset
2126 if (may_add_weak && !add_weak)
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diff changeset
2127 continue;
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diff changeset
2128 /* Nothing more to check */
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diff changeset
2129 break;
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diff changeset
2130 }
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diff changeset
2131 }
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diff changeset
2132 }
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diff changeset
2133
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diff changeset
2134 /* XXX From here until type is safely allocated,
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diff changeset
2135 "return NULL" may leak slots! */
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diff changeset
2136
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diff changeset
2137 /* Allocate the type object */
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diff changeset
2138 type = (PyTypeObject *)metatype->tp_alloc(metatype, nslots);
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diff changeset
2139 if (type == NULL) {
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diff changeset
2140 Py_XDECREF(slots);
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diff changeset
2141 Py_DECREF(bases);
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diff changeset
2142 return NULL;
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2143 }
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diff changeset
2144
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diff changeset
2145 /* Keep name and slots alive in the extended type object */
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diff changeset
2146 et = (PyHeapTypeObject *)type;
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diff changeset
2147 Py_INCREF(name);
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diff changeset
2148 et->ht_name = name;
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diff changeset
2149 et->ht_slots = slots;
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diff changeset
2150
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diff changeset
2151 /* Initialize tp_flags */
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diff changeset
2152 type->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HEAPTYPE |
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diff changeset
2153 Py_TPFLAGS_BASETYPE;
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diff changeset
2154 if (base->tp_flags & Py_TPFLAGS_HAVE_GC)
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diff changeset
2155 type->tp_flags |= Py_TPFLAGS_HAVE_GC;
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diff changeset
2156
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diff changeset
2157 /* Initialize essential fields */
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diff changeset
2158 type->tp_as_number = &et->as_number;
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diff changeset
2159 type->tp_as_sequence = &et->as_sequence;
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diff changeset
2160 type->tp_as_mapping = &et->as_mapping;
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diff changeset
2161 type->tp_as_buffer = &et->as_buffer;
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diff changeset
2162 type->tp_name = _PyUnicode_AsString(name);
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diff changeset
2163 if (!type->tp_name) {
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diff changeset
2164 Py_DECREF(type);
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diff changeset
2165 return NULL;
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diff changeset
2166 }
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diff changeset
2167
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diff changeset
2168 /* Set tp_base and tp_bases */
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diff changeset
2169 type->tp_bases = bases;
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diff changeset
2170 Py_INCREF(base);
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diff changeset
2171 type->tp_base = base;
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diff changeset
2172
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diff changeset
2173 /* Initialize tp_dict from passed-in dict */
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diff changeset
2174 type->tp_dict = dict = PyDict_Copy(dict);
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parents: 59538
diff changeset
2175 if (dict == NULL) {
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diff changeset
2176 Py_DECREF(type);
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diff changeset
2177 return NULL;
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diff changeset
2178 }
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diff changeset
2179
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diff changeset
2180 /* Set __module__ in the dict */
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diff changeset
2181 if (PyDict_GetItemString(dict, "__module__") == NULL) {
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diff changeset
2182 tmp = PyEval_GetGlobals();
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diff changeset
2183 if (tmp != NULL) {
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diff changeset
2184 tmp = PyDict_GetItemString(tmp, "__name__");
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diff changeset
2185 if (tmp != NULL) {
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diff changeset
2186 if (PyDict_SetItemString(dict, "__module__",
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diff changeset
2187 tmp) < 0)
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diff changeset
2188 return NULL;
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diff changeset
2189 }
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diff changeset
2190 }
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diff changeset
2191 }
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diff changeset
2192
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diff changeset
2193 /* Set tp_doc to a copy of dict['__doc__'], if the latter is there
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diff changeset
2194 and is a string. The __doc__ accessor will first look for tp_doc;
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diff changeset
2195 if that fails, it will still look into __dict__.
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diff changeset
2196 */
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diff changeset
2197 {
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diff changeset
2198 PyObject *doc = PyDict_GetItemString(dict, "__doc__");
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diff changeset
2199 if (doc != NULL && PyUnicode_Check(doc)) {
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diff changeset
2200 Py_ssize_t len;
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diff changeset
2201 char *doc_str;
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diff changeset
2202 char *tp_doc;
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diff changeset
2203
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diff changeset
2204 doc_str = _PyUnicode_AsString(doc);
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diff changeset
2205 if (doc_str == NULL) {
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diff changeset
2206 Py_DECREF(type);
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diff changeset
2207 return NULL;
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diff changeset
2208 }
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diff changeset
2209 /* Silently truncate the docstring if it contains null bytes. */
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diff changeset
2210 len = strlen(doc_str);
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parents: 59538
diff changeset
2211 tp_doc = (char *)PyObject_MALLOC(len + 1);
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diff changeset
2212 if (tp_doc == NULL) {
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diff changeset
2213 Py_DECREF(type);
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2214 return NULL;
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diff changeset
2215 }
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diff changeset
2216 memcpy(tp_doc, doc_str, len + 1);
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diff changeset
2217 type->tp_doc = tp_doc;
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diff changeset
2218 }
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diff changeset
2219 }
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2220
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diff changeset
2221 /* Special-case __new__: if it's a plain function,
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diff changeset
2222 make it a static function */
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diff changeset
2223 tmp = PyDict_GetItemString(dict, "__new__");
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diff changeset
2224 if (tmp != NULL && PyFunction_Check(tmp)) {
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diff changeset
2225 tmp = PyStaticMethod_New(tmp);
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diff changeset
2226 if (tmp == NULL) {
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diff changeset
2227 Py_DECREF(type);
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diff changeset
2228 return NULL;
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2229 }
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2230 PyDict_SetItemString(dict, "__new__", tmp);
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diff changeset
2231 Py_DECREF(tmp);
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2232 }
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diff changeset
2233
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diff changeset
2234 /* Add descriptors for custom slots from __slots__, or for __dict__ */
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diff changeset
2235 mp = PyHeapType_GET_MEMBERS(et);
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diff changeset
2236 slotoffset = base->tp_basicsize;
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diff changeset
2237 if (slots != NULL) {
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2238 for (i = 0; i < nslots; i++, mp++) {
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diff changeset
2239 mp->name = _PyUnicode_AsString(
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diff changeset
2240 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
2241 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
2242 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
2243 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
2244 }
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2245 mp->type = T_OBJECT_EX;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2246 mp->offset = slotoffset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2247
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2248 /* __dict__ and __weakref__ are already filtered out */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2249 assert(strcmp(mp->name, "__dict__") != 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2250 assert(strcmp(mp->name, "__weakref__") != 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2251
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2252 slotoffset += sizeof(PyObject *);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2253 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2254 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2255 if (add_dict) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2256 if (base->tp_itemsize)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2257 type->tp_dictoffset = -(long)sizeof(PyObject *);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2258 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2259 type->tp_dictoffset = slotoffset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2260 slotoffset += sizeof(PyObject *);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2261 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2262 if (add_weak) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2263 assert(!base->tp_itemsize);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2264 type->tp_weaklistoffset = slotoffset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2265 slotoffset += sizeof(PyObject *);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2266 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2267 type->tp_basicsize = slotoffset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2268 type->tp_itemsize = base->tp_itemsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2269 type->tp_members = PyHeapType_GET_MEMBERS(et);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2270
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2271 if (type->tp_weaklistoffset && type->tp_dictoffset)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2272 type->tp_getset = subtype_getsets_full;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2273 else if (type->tp_weaklistoffset && !type->tp_dictoffset)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2274 type->tp_getset = subtype_getsets_weakref_only;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2275 else if (!type->tp_weaklistoffset && type->tp_dictoffset)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2276 type->tp_getset = subtype_getsets_dict_only;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2277 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2278 type->tp_getset = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2279
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2280 /* Special case some slots */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2281 if (type->tp_dictoffset != 0 || nslots > 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2282 if (base->tp_getattr == NULL && base->tp_getattro == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2283 type->tp_getattro = PyObject_GenericGetAttr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2284 if (base->tp_setattr == NULL && base->tp_setattro == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2285 type->tp_setattro = PyObject_GenericSetAttr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2286 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2287 type->tp_dealloc = subtype_dealloc;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2288
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2289 /* Enable GC unless there are really no instance variables possible */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2290 if (!(type->tp_basicsize == sizeof(PyObject) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2291 type->tp_itemsize == 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2292 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
2293
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2294 /* Always override allocation strategy to use regular heap */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2295 type->tp_alloc = PyType_GenericAlloc;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2296 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
2297 type->tp_free = PyObject_GC_Del;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2298 type->tp_traverse = subtype_traverse;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2299 type->tp_clear = subtype_clear;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2300 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2301 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2302 type->tp_free = PyObject_Del;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2303
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2304 /* Initialize the rest */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2305 if (PyType_Ready(type) < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2306 Py_DECREF(type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2307 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2308 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2309
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2310 /* Put the proper slots in place */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2311 fixup_slot_dispatchers(type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2312
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2313 return (PyObject *)type;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2314 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2315
66664
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2316 static short slotoffsets[] = {
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2317 -1, /* invalid slot */
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2318 #include "typeslots.inc"
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2319 };
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2320
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2321 PyObject* PyType_FromSpec(PyType_Spec *spec)
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2322 {
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2323 PyHeapTypeObject *res = (PyHeapTypeObject*)PyType_GenericAlloc(&PyType_Type, 0);
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2324 char *res_start = (char*)res;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2325 PyType_Slot *slot;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2326
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2327 res->ht_name = PyUnicode_FromString(spec->name);
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2328 if (!res->ht_name)
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2329 goto fail;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2330 res->ht_type.tp_name = _PyUnicode_AsString(res->ht_name);
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2331 if (!res->ht_type.tp_name)
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2332 goto fail;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2333
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2334 res->ht_type.tp_basicsize = spec->basicsize;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2335 res->ht_type.tp_itemsize = spec->itemsize;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2336 res->ht_type.tp_flags = spec->flags | Py_TPFLAGS_HEAPTYPE;
67347
3bf4d9f1660a Issue #9566: use Py_ssize_t instead of int
Victor Stinner <victor.stinner@haypocalc.com>
parents: 66664
diff changeset
2337
66664
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2338 for (slot = spec->slots; slot->slot; slot++) {
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2339 if (slot->slot >= sizeof(slotoffsets)/sizeof(slotoffsets[0])) {
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2340 PyErr_SetString(PyExc_RuntimeError, "invalid slot offset");
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2341 goto fail;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2342 }
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2343 *(void**)(res_start + slotoffsets[slot->slot]) = slot->pfunc;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2344 }
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2345
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2346 return (PyObject*)res;
67347
3bf4d9f1660a Issue #9566: use Py_ssize_t instead of int
Victor Stinner <victor.stinner@haypocalc.com>
parents: 66664
diff changeset
2347
66664
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2348 fail:
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2349 Py_DECREF(res);
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2350 return NULL;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2351 }
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2352
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2353
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2354 /* Internal API to look for a name through the MRO.
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2355 This returns a borrowed reference, and doesn't set an exception! */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2356 PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2357 _PyType_Lookup(PyTypeObject *type, PyObject *name)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2358 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2359 Py_ssize_t i, n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2360 PyObject *mro, *res, *base, *dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2361 unsigned int h;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2362
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2363 if (MCACHE_CACHEABLE_NAME(name) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2364 PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2365 /* fast path */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2366 h = MCACHE_HASH_METHOD(type, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2367 if (method_cache[h].version == type->tp_version_tag &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2368 method_cache[h].name == name)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2369 return method_cache[h].value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2370 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2371
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2372 /* Look in tp_dict of types in MRO */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2373 mro = type->tp_mro;
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parents: 59538
diff changeset
2374
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2375 /* If mro is NULL, the type is either not yet initialized
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2376 by PyType_Ready(), or already cleared by type_clear().
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parents: 59538
diff changeset
2377 Either way the safest thing to do is to return NULL. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2378 if (mro == NULL)
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parents: 59538
diff changeset
2379 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2380
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2381 res = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2382 assert(PyTuple_Check(mro));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2383 n = PyTuple_GET_SIZE(mro);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2384 for (i = 0; i < n; i++) {
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parents: 59538
diff changeset
2385 base = PyTuple_GET_ITEM(mro, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2386 assert(PyType_Check(base));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2387 dict = ((PyTypeObject *)base)->tp_dict;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2388 assert(dict && PyDict_Check(dict));
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parents: 59538
diff changeset
2389 res = PyDict_GetItem(dict, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2390 if (res != NULL)
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parents: 59538
diff changeset
2391 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2392 }
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parents: 59538
diff changeset
2393
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2394 if (MCACHE_CACHEABLE_NAME(name) && assign_version_tag(type)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2395 h = MCACHE_HASH_METHOD(type, name);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2396 method_cache[h].version = type->tp_version_tag;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2397 method_cache[h].value = res; /* borrowed */
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parents: 59538
diff changeset
2398 Py_INCREF(name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2399 Py_DECREF(method_cache[h].name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2400 method_cache[h].name = name;
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parents: 59538
diff changeset
2401 }
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diff changeset
2402 return res;
18933
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parents: 18068
diff changeset
2403 }
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parents: 18068
diff changeset
2404
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parents: 18068
diff changeset
2405 /* This is similar to PyObject_GenericGetAttr(),
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2406 but uses _PyType_Lookup() instead of just looking in type->tp_dict. */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2407 static PyObject *
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parents: 18068
diff changeset
2408 type_getattro(PyTypeObject *type, PyObject *name)
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2409 {
61466
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diff changeset
2410 PyTypeObject *metatype = Py_TYPE(type);
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parents: 59538
diff changeset
2411 PyObject *meta_attribute, *attribute;
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parents: 59538
diff changeset
2412 descrgetfunc meta_get;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2413
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parents: 59538
diff changeset
2414 /* Initialize this type (we'll assume the metatype is initialized) */
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parents: 59538
diff changeset
2415 if (type->tp_dict == NULL) {
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parents: 59538
diff changeset
2416 if (PyType_Ready(type) < 0)
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diff changeset
2417 return NULL;
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parents: 59538
diff changeset
2418 }
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diff changeset
2419
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diff changeset
2420 /* No readable descriptor found yet */
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parents: 59538
diff changeset
2421 meta_get = NULL;
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parents: 59538
diff changeset
2422
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parents: 59538
diff changeset
2423 /* Look for the attribute in the metatype */
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parents: 59538
diff changeset
2424 meta_attribute = _PyType_Lookup(metatype, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2425
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parents: 59538
diff changeset
2426 if (meta_attribute != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2427 meta_get = Py_TYPE(meta_attribute)->tp_descr_get;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2428
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parents: 59538
diff changeset
2429 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
2430 /* Data descriptors implement tp_descr_set to intercept
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2431 * writes. Assume the attribute is not overridden in
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2432 * type's tp_dict (and bases): call the descriptor now.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2433 */
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diff changeset
2434 return meta_get(meta_attribute, (PyObject *)type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2435 (PyObject *)metatype);
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parents: 59538
diff changeset
2436 }
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parents: 59538
diff changeset
2437 Py_INCREF(meta_attribute);
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parents: 59538
diff changeset
2438 }
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diff changeset
2439
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parents: 59538
diff changeset
2440 /* 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
2441 * type and its bases */
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parents: 59538
diff changeset
2442 attribute = _PyType_Lookup(type, name);
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parents: 59538
diff changeset
2443 if (attribute != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2444 /* Implement descriptor functionality, if any */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2445 descrgetfunc local_get = Py_TYPE(attribute)->tp_descr_get;
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parents: 59538
diff changeset
2446
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parents: 59538
diff changeset
2447 Py_XDECREF(meta_attribute);
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parents: 59538
diff changeset
2448
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parents: 59538
diff changeset
2449 if (local_get != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2450 /* NULL 2nd argument indicates the descriptor was
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2451 * found on the target object itself (or a base) */
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diff changeset
2452 return local_get(attribute, (PyObject *)NULL,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2453 (PyObject *)type);
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parents: 59538
diff changeset
2454 }
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parents: 59538
diff changeset
2455
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parents: 59538
diff changeset
2456 Py_INCREF(attribute);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2457 return attribute;
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parents: 59538
diff changeset
2458 }
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parents: 59538
diff changeset
2459
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parents: 59538
diff changeset
2460 /* 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
2461 * descriptor from the metatype, if any */
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parents: 59538
diff changeset
2462 if (meta_get != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2463 PyObject *res;
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parents: 59538
diff changeset
2464 res = meta_get(meta_attribute, (PyObject *)type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2465 (PyObject *)metatype);
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parents: 59538
diff changeset
2466 Py_DECREF(meta_attribute);
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parents: 59538
diff changeset
2467 return res;
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parents: 59538
diff changeset
2468 }
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diff changeset
2469
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parents: 59538
diff changeset
2470 /* If an ordinary attribute was found on the metatype, return it now */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2471 if (meta_attribute != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2472 return meta_attribute;
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parents: 59538
diff changeset
2473 }
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parents: 59538
diff changeset
2474
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parents: 59538
diff changeset
2475 /* Give up */
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parents: 59538
diff changeset
2476 PyErr_Format(PyExc_AttributeError,
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parents: 59538
diff changeset
2477 "type object '%.50s' has no attribute '%U'",
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parents: 59538
diff changeset
2478 type->tp_name, name);
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parents: 59538
diff changeset
2479 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2480 }
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2481
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2482 static int
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2483 type_setattro(PyTypeObject *type, PyObject *name, PyObject *value)
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2484 {
61466
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diff changeset
2485 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
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parents: 59538
diff changeset
2486 PyErr_Format(
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diff changeset
2487 PyExc_TypeError,
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diff changeset
2488 "can't set attributes of built-in/extension type '%s'",
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parents: 59538
diff changeset
2489 type->tp_name);
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parents: 59538
diff changeset
2490 return -1;
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parents: 59538
diff changeset
2491 }
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diff changeset
2492 if (PyObject_GenericSetAttr((PyObject *)type, name, value) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2493 return -1;
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diff changeset
2494 return update_slot(type, name);
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09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2495 }
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2496
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2497 static void
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2498 type_dealloc(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2499 {
61466
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diff changeset
2500 PyHeapTypeObject *et;
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diff changeset
2501
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diff changeset
2502 /* Assert this is a heap-allocated type object */
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parents: 59538
diff changeset
2503 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
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parents: 59538
diff changeset
2504 _PyObject_GC_UNTRACK(type);
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diff changeset
2505 PyObject_ClearWeakRefs((PyObject *)type);
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diff changeset
2506 et = (PyHeapTypeObject *)type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2507 Py_XDECREF(type->tp_base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2508 Py_XDECREF(type->tp_dict);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2509 Py_XDECREF(type->tp_bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2510 Py_XDECREF(type->tp_mro);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2511 Py_XDECREF(type->tp_cache);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2512 Py_XDECREF(type->tp_subclasses);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2513 /* 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
2514 * 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
2515 */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2516 PyObject_Free((char *)type->tp_doc);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2517 Py_XDECREF(et->ht_name);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2518 Py_XDECREF(et->ht_slots);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2519 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
2520 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2521
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2522 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
2523 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
2524 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2525 PyObject *list, *raw, *ref;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2526 Py_ssize_t i, n;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2527
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2528 list = PyList_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2529 if (list == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2530 return NULL;
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parents: 59538
diff changeset
2531 raw = type->tp_subclasses;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2532 if (raw == NULL)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2533 return list;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2534 assert(PyList_Check(raw));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2535 n = PyList_GET_SIZE(raw);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2536 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2537 ref = PyList_GET_ITEM(raw, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2538 assert(PyWeakref_CheckRef(ref));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2539 ref = PyWeakref_GET_OBJECT(ref);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2540 if (ref != Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2541 if (PyList_Append(list, ref) < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2542 Py_DECREF(list);
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parents: 59538
diff changeset
2543 return NULL;
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parents: 59538
diff changeset
2544 }
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parents: 59538
diff changeset
2545 }
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parents: 59538
diff changeset
2546 }
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parents: 59538
diff changeset
2547 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
2548 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2549
42420
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2550 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
2551 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
2552 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2553 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
2554 }
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2555
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2556 static PyMethodDef type_methods[] = {
61466
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parents: 59538
diff changeset
2557 {"mro", (PyCFunction)mro_external, METH_NOARGS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2558 PyDoc_STR("mro() -> list\nreturn a type's method resolution order")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2559 {"__subclasses__", (PyCFunction)type_subclasses, METH_NOARGS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2560 PyDoc_STR("__subclasses__() -> list of immediate subclasses")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2561 {"__prepare__", (PyCFunction)type_prepare,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2562 METH_VARARGS | METH_KEYWORDS | METH_CLASS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2563 PyDoc_STR("__prepare__() -> dict\n"
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2564 "used to create the namespace for the class statement")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2565 {"__instancecheck__", type___instancecheck__, METH_O,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2566 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
2567 {"__subclasscheck__", type___subclasscheck__, METH_O,
64076
e3df34544db9 Issue #8983: Corrected docstrings.
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 63949
diff changeset
2568 PyDoc_STR("__subclasscheck__() -> check if a class is a subclass")},
61466
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diff changeset
2569 {0}
18933
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parents: 18068
diff changeset
2570 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2571
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23830
diff changeset
2572 PyDoc_STRVAR(type_doc,
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2573 "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
2574 "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
2575
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2576 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
2577 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
2578 {
61466
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parents: 59538
diff changeset
2579 /* 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
2580 for heaptypes. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2581 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
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parents: 59538
diff changeset
2582
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parents: 59538
diff changeset
2583 Py_VISIT(type->tp_dict);
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parents: 59538
diff changeset
2584 Py_VISIT(type->tp_cache);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2585 Py_VISIT(type->tp_mro);
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parents: 59538
diff changeset
2586 Py_VISIT(type->tp_bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2587 Py_VISIT(type->tp_base);
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parents: 59538
diff changeset
2588
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2589 /* 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
2590 ((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
2591 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
2592 and slots is a tuple of strings. */
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parents: 59538
diff changeset
2593
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parents: 59538
diff changeset
2594 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
2595 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2596
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2597 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
2598 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
2599 {
61466
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parents: 59538
diff changeset
2600 /* Because of type_is_gc(), the collector only calls this
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parents: 59538
diff changeset
2601 for heaptypes. */
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parents: 59538
diff changeset
2602 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
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diff changeset
2603
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parents: 59538
diff changeset
2604 /* 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
2605 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
2606 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
2607 tp_clear handler). None of the other fields need to be
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parents: 59538
diff changeset
2608 cleared, and here's why:
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parents: 59538
diff changeset
2609
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parents: 59538
diff changeset
2610 tp_dict:
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parents: 59538
diff changeset
2611 It is a dict, so the collector will call its tp_clear.
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parents: 59538
diff changeset
2612
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parents: 59538
diff changeset
2613 tp_cache:
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diff changeset
2614 Not used; if it were, it would be a dict.
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parents: 59538
diff changeset
2615
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parents: 59538
diff changeset
2616 tp_bases, tp_base:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
2617 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
2618 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
2619 class's dict; the cycle will be broken that way.
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parents: 59538
diff changeset
2620
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parents: 59538
diff changeset
2621 tp_subclasses:
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parents: 59538
diff changeset
2622 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
2623 lists have their own tp_clear.
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parents: 59538
diff changeset
2624
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diff changeset
2625 slots (in PyHeapTypeObject):
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diff changeset
2626 A tuple of strings can't be part of a cycle.
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parents: 59538
diff changeset
2627 */
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diff changeset
2628
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diff changeset
2629 Py_CLEAR(type->tp_mro);
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diff changeset
2630
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parents: 59538
diff changeset
2631 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
2632 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2633
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2634 static int
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
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diff changeset
2635 type_is_gc(PyTypeObject *type)
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diff changeset
2636 {
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diff changeset
2637 return type->tp_flags & Py_TPFLAGS_HEAPTYPE;
20220
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diff changeset
2638 }
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diff changeset
2639
5396
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diff changeset
2640 PyTypeObject PyType_Type = {
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2641 PyVarObject_HEAD_INIT(&PyType_Type, 0)
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diff changeset
2642 "type", /* tp_name */
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2643 sizeof(PyHeapTypeObject), /* tp_basicsize */
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diff changeset
2644 sizeof(PyMemberDef), /* tp_itemsize */
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diff changeset
2645 (destructor)type_dealloc, /* tp_dealloc */
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2646 0, /* tp_print */
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2647 0, /* tp_getattr */
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2648 0, /* tp_setattr */
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2649 0, /* tp_reserved */
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diff changeset
2650 (reprfunc)type_repr, /* tp_repr */
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diff changeset
2651 0, /* tp_as_number */
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diff changeset
2652 0, /* tp_as_sequence */
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diff changeset
2653 0, /* tp_as_mapping */
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diff changeset
2654 0, /* tp_hash */
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diff changeset
2655 (ternaryfunc)type_call, /* tp_call */
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diff changeset
2656 0, /* tp_str */
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diff changeset
2657 (getattrofunc)type_getattro, /* tp_getattro */
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diff changeset
2658 (setattrofunc)type_setattro, /* tp_setattro */
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diff changeset
2659 0, /* tp_as_buffer */
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diff changeset
2660 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
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diff changeset
2661 Py_TPFLAGS_BASETYPE | Py_TPFLAGS_TYPE_SUBCLASS, /* tp_flags */
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diff changeset
2662 type_doc, /* tp_doc */
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diff changeset
2663 (traverseproc)type_traverse, /* tp_traverse */
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diff changeset
2664 (inquiry)type_clear, /* tp_clear */
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diff changeset
2665 0, /* tp_richcompare */
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diff changeset
2666 offsetof(PyTypeObject, tp_weaklist), /* tp_weaklistoffset */
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diff changeset
2667 0, /* tp_iter */
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diff changeset
2668 0, /* tp_iternext */
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diff changeset
2669 type_methods, /* tp_methods */
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diff changeset
2670 type_members, /* tp_members */
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diff changeset
2671 type_getsets, /* tp_getset */
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diff changeset
2672 0, /* tp_base */
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diff changeset
2673 0, /* tp_dict */
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diff changeset
2674 0, /* tp_descr_get */
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diff changeset
2675 0, /* tp_descr_set */
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diff changeset
2676 offsetof(PyTypeObject, tp_dict), /* tp_dictoffset */
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diff changeset
2677 type_init, /* tp_init */
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diff changeset
2678 0, /* tp_alloc */
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diff changeset
2679 type_new, /* tp_new */
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diff changeset
2680 PyObject_GC_Del, /* tp_free */
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diff changeset
2681 (inquiry)type_is_gc, /* tp_is_gc */
18933
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diff changeset
2682 };
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2683
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diff changeset
2684
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2685 /* The base type of all types (eventually)... except itself. */
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2686
41554
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diff changeset
2687 /* You may wonder why object.__new__() only complains about arguments
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diff changeset
2688 when object.__init__() is not overridden, and vice versa.
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diff changeset
2689
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diff changeset
2690 Consider the use cases:
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diff changeset
2691
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2692 1. When neither is overridden, we want to hear complaints about
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diff changeset
2693 excess (i.e., any) arguments, since their presence could
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diff changeset
2694 indicate there's a bug.
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diff changeset
2695
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diff changeset
2696 2. When defining an Immutable type, we are likely to override only
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diff changeset
2697 __new__(), since __init__() is called too late to initialize an
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diff changeset
2698 Immutable object. Since __new__() defines the signature for the
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parents: 41501
diff changeset
2699 type, it would be a pain to have to override __init__() just to
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parents: 41501
diff changeset
2700 stop it from complaining about excess arguments.
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diff changeset
2701
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diff changeset
2702 3. When defining a Mutable type, we are likely to override only
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diff changeset
2703 __init__(). So here the converse reasoning applies: we don't
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diff changeset
2704 want to have to override __new__() just to stop it from
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diff changeset
2705 complaining.
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2706
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2707 4. When __init__() is overridden, and the subclass __init__() calls
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diff changeset
2708 object.__init__(), the latter should complain about excess
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diff changeset
2709 arguments; ditto for __new__().
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diff changeset
2710
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diff changeset
2711 Use cases 2 and 3 make it unattractive to unconditionally check for
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diff changeset
2712 excess arguments. The best solution that addresses all four use
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diff changeset
2713 cases is as follows: __init__() complains about excess arguments
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diff changeset
2714 unless __new__() is overridden and __init__() is not overridden
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diff changeset
2715 (IOW, if __init__() is overridden or __new__() is not overridden);
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diff changeset
2716 symmetrically, __new__() complains about excess arguments unless
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diff changeset
2717 __init__() is overridden and __new__() is not overridden
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diff changeset
2718 (IOW, if __new__() is overridden or __init__() is not overridden).
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diff changeset
2719
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diff changeset
2720 However, for backwards compatibility, this breaks too much code.
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diff changeset
2721 Therefore, in 2.6, we'll *warn* about excess arguments when both
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diff changeset
2722 methods are overridden; for all other cases we'll use the above
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diff changeset
2723 rules.
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diff changeset
2724
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diff changeset
2725 */
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diff changeset
2726
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diff changeset
2727 /* Forward */
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diff changeset
2728 static PyObject *
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diff changeset
2729 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds);
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diff changeset
2730
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diff changeset
2731 static int
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diff changeset
2732 excess_args(PyObject *args, PyObject *kwds)
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diff changeset
2733 {
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2734 return PyTuple_GET_SIZE(args) ||
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2735 (kwds && PyDict_Check(kwds) && PyDict_Size(kwds));
41554
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diff changeset
2736 }
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2737
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2738 static int
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2739 object_init(PyObject *self, PyObject *args, PyObject *kwds)
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2740 {
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2741 int err = 0;
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2742 if (excess_args(args, kwds)) {
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2743 PyTypeObject *type = Py_TYPE(self);
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2744 if (type->tp_init != object_init &&
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2745 type->tp_new != object_new)
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2746 {
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2747 err = PyErr_WarnEx(PyExc_DeprecationWarning,
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2748 "object.__init__() takes no parameters",
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2749 1);
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2750 }
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2751 else if (type->tp_init != object_init ||
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2752 type->tp_new == object_new)
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2753 {
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2754 PyErr_SetString(PyExc_TypeError,
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2755 "object.__init__() takes no parameters");
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2756 err = -1;
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2757 }
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2758 }
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2759 return err;
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2760 }
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2761
27866
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2762 static PyObject *
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2763 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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2764 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2765 int err = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2766 if (excess_args(args, kwds)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2767 if (type->tp_new != object_new &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2768 type->tp_init != object_init)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2769 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2770 err = PyErr_WarnEx(PyExc_DeprecationWarning,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2771 "object.__new__() takes no parameters",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2772 1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2773 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2774 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
2775 type->tp_init == object_init)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2776 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2777 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2778 "object.__new__() takes no parameters");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2779 err = -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2780 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2781 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2782 if (err < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2783 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2784
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2785 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
2786 static PyObject *comma = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2787 PyObject *abstract_methods = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2788 PyObject *builtins;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2789 PyObject *sorted;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2790 PyObject *sorted_methods = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2791 PyObject *joined = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2792
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2793 /* Compute ", ".join(sorted(type.__abstractmethods__))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2794 into joined. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2795 abstract_methods = type_abstractmethods(type, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2796 if (abstract_methods == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2797 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2798 builtins = PyEval_GetBuiltins();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2799 if (builtins == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2800 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2801 sorted = PyDict_GetItemString(builtins, "sorted");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2802 if (sorted == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2803 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2804 sorted_methods = PyObject_CallFunctionObjArgs(sorted,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2805 abstract_methods,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2806 NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2807 if (sorted_methods == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2808 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2809 if (comma == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2810 comma = PyUnicode_InternFromString(", ");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2811 if (comma == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2812 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2813 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2814 joined = PyObject_CallMethod(comma, "join",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2815 "O", sorted_methods);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2816 if (joined == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2817 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2818
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2819 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2820 "Can't instantiate abstract class %s "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2821 "with abstract methods %U",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2822 type->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2823 joined);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2824 error:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2825 Py_XDECREF(joined);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2826 Py_XDECREF(sorted_methods);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2827 Py_XDECREF(abstract_methods);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2828 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2829 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2830 return type->tp_alloc(type, 0);
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2831 }
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2832
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2833 static void
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2834 object_dealloc(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2835 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2836 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
2837 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2838
19194
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2839 static PyObject *
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2840 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
2841 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2842 PyTypeObject *type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2843 PyObject *mod, *name, *rtn;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2844
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2845 type = Py_TYPE(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2846 mod = type_module(type, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2847 if (mod == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2848 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2849 else if (!PyUnicode_Check(mod)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2850 Py_DECREF(mod);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2851 mod = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2852 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2853 name = type_name(type, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2854 if (name == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2855 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2856 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
2857 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
2858 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2859 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
2860 type->tp_name, self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2861 Py_XDECREF(mod);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2862 Py_DECREF(name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2863 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
2864 }
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2865
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2866 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2867 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
2868 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2869 unaryfunc f;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2870
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2871 f = Py_TYPE(self)->tp_repr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2872 if (f == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2873 f = object_repr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2874 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
2875 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2876
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2877 static PyObject *
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2878 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
2879 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2880 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2881
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2882 switch (op) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2883
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2884 case Py_EQ:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2885 /* 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
2886 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
2887 comparison. See issue #1393. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2888 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
2889 Py_INCREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2890 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2891
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2892 case Py_NE:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2893 /* By default, != returns the opposite of ==,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2894 unless the latter returns NotImplemented. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2895 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
2896 if (res != NULL && res != Py_NotImplemented) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2897 int ok = PyObject_IsTrue(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2898 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2899 if (ok < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2900 res = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2901 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2902 if (ok)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2903 res = Py_False;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2904 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2905 res = Py_True;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2906 Py_INCREF(res);
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 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2909 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2910
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2911 default:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2912 res = Py_NotImplemented;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2913 Py_INCREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2914 break;
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
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2917 return res;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2918 }
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2919
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2920 static PyObject *
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2921 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
2922 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2923 Py_INCREF(Py_TYPE(self));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2924 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
2925 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2926
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2927 static int
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2928 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
2929 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2930 return a == b ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2931 (a != NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2932 b != NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2933 a->tp_basicsize == b->tp_basicsize &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2934 a->tp_itemsize == b->tp_itemsize &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2935 a->tp_dictoffset == b->tp_dictoffset &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2936 a->tp_weaklistoffset == b->tp_weaklistoffset &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2937 ((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
2938 (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
2939 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2940
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2941 static int
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2942 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
2943 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2944 PyTypeObject *base = a->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2945 Py_ssize_t size;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2946 PyObject *slots_a, *slots_b;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2947
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2948 if (base != b->tp_base)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2949 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2950 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
2951 return 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2952 size = base->tp_basicsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2953 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
2954 size += sizeof(PyObject *);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2955 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
2956 size += sizeof(PyObject *);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2957
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2958 /* Check slots compliance */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2959 slots_a = ((PyHeapTypeObject *)a)->ht_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2960 slots_b = ((PyHeapTypeObject *)b)->ht_slots;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2961 if (slots_a && slots_b) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2962 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
2963 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2964 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
2965 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2966 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
2967 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2968
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2969 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
2970 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
2971 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2972 PyTypeObject *newbase, *oldbase;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2973
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2974 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
2975 newto->tp_free != oldto->tp_free)
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 "%s assignment: "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2979 "'%s' deallocator differs from '%s'",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2980 attr,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2981 newto->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2982 oldto->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2983 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2984 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2985 newbase = newto;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2986 oldbase = oldto;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2987 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
2988 newbase = newbase->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2989 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
2990 oldbase = oldbase->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2991 if (newbase != oldbase &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2992 (newbase->tp_base != oldbase->tp_base ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2993 !same_slots_added(newbase, oldbase))) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2994 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2995 "%s assignment: "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2996 "'%s' object layout differs from '%s'",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2997 attr,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2998 newto->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
2999 oldto->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3000 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3001 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3002
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3003 return 1;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3004 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3005
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3006 static int
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3007 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
3008 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3009 PyTypeObject *oldto = Py_TYPE(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3010 PyTypeObject *newto;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3011
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3012 if (value == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3013 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3014 "can't delete __class__ attribute");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3015 return -1;
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 if (!PyType_Check(value)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3018 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3019 "__class__ 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
3020 Py_TYPE(value)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3021 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3022 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3023 newto = (PyTypeObject *)value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3024 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
3025 !(oldto->tp_flags & Py_TPFLAGS_HEAPTYPE))
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 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3028 "__class__ assignment: only for heap types");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3029 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3030 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3031 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
3032 Py_INCREF(newto);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3033 Py_TYPE(self) = newto;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3034 Py_DECREF(oldto);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3035 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3036 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3037 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3038 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3039 }
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3040 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3041
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3042 static PyGetSetDef object_getsets[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3043 {"__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
3044 PyDoc_STR("the object's class")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3045 {0}
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3046 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3047
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3048
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3049 /* 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
3050 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
3051 - pickle protocols < 2
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3052 - 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
3053 - 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
3054 */
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3055
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3056 static PyObject *
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3057 import_copyreg(void)
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3058 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3059 static PyObject *copyreg_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3060
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3061 if (!copyreg_str) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3062 copyreg_str = PyUnicode_InternFromString("copyreg");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3063 if (copyreg_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3064 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3065 }
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3066
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3067 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
3068 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3069
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3070 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3071 slotnames(PyObject *cls)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3072 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3073 PyObject *clsdict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3074 PyObject *copyreg;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3075 PyObject *slotnames;
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3076
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3077 if (!PyType_Check(cls)) {
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3078 Py_INCREF(Py_None);
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3079 return Py_None;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3080 }
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 clsdict = ((PyTypeObject *)cls)->tp_dict;
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3083 slotnames = PyDict_GetItemString(clsdict, "__slotnames__");
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3084 if (slotnames != NULL && PyList_Check(slotnames)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3085 Py_INCREF(slotnames);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3086 return slotnames;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3087 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3088
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3089 copyreg = import_copyreg();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3090 if (copyreg == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3091 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3092
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3093 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
3094 Py_DECREF(copyreg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3095 if (slotnames != NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3096 slotnames != Py_None &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3097 !PyList_Check(slotnames))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3098 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3099 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3100 "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
3101 Py_DECREF(slotnames);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3102 slotnames = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3103 }
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 return slotnames;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3106 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3107
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3108 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3109 reduce_2(PyObject *obj)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3110 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3111 PyObject *cls, *getnewargs;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3112 PyObject *args = NULL, *args2 = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3113 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
3114 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
3115 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
3116 Py_ssize_t i, n;
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3117
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3118 cls = PyObject_GetAttrString(obj, "__class__");
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3119 if (cls == NULL)
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3120 return NULL;
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3121
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3122 getnewargs = PyObject_GetAttrString(obj, "__getnewargs__");
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3123 if (getnewargs != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3124 args = PyObject_CallObject(getnewargs, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3125 Py_DECREF(getnewargs);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3126 if (args != NULL && !PyTuple_Check(args)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3127 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3128 "__getnewargs__ should return a tuple, "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3129 "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
3130 goto end;
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 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3133 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3134 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3135 args = PyTuple_New(0);
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 if (args == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3138 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3139
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3140 getstate = PyObject_GetAttrString(obj, "__getstate__");
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3141 if (getstate != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3142 state = PyObject_CallObject(getstate, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3143 Py_DECREF(getstate);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3144 if (state == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3145 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3146 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3147 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3148 PyErr_Clear();
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3149 state = PyObject_GetAttrString(obj, "__dict__");
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3150 if (state == NULL) {
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3151 PyErr_Clear();
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3152 state = Py_None;
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3153 Py_INCREF(state);
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3154 }
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3155 names = slotnames(cls);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3156 if (names == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3157 goto end;
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3158 if (names != Py_None) {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3159 assert(PyList_Check(names));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3160 slots = PyDict_New();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3161 if (slots == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3162 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3163 n = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3164 /* 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
3165 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
3166 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
3167 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
3168 PyObject *name, *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3169 name = PyList_GET_ITEM(names, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3170 value = PyObject_GetAttr(obj, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3171 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3172 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3173 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3174 int err = PyDict_SetItem(slots, name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3175 value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3176 Py_DECREF(value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3177 if (err)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3178 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3179 n++;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3180 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3181 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3182 if (n) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3183 state = Py_BuildValue("(NO)", state, slots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3184 if (state == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3185 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3186 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3187 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3188 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3189
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3190 if (!PyList_Check(obj)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3191 listitems = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3192 Py_INCREF(listitems);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3193 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3194 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3195 listitems = PyObject_GetIter(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3196 if (listitems == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3197 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3198 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3199
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3200 if (!PyDict_Check(obj)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3201 dictitems = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3202 Py_INCREF(dictitems);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3203 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3204 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3205 PyObject *items = PyObject_CallMethod(obj, "items", "");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3206 if (items == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3207 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3208 dictitems = PyObject_GetIter(items);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3209 Py_DECREF(items);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3210 if (dictitems == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3211 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3212 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3213
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3214 copyreg = import_copyreg();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3215 if (copyreg == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3216 goto end;
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3217 newobj = PyObject_GetAttrString(copyreg, "__newobj__");
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3218 if (newobj == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3219 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3220
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3221 n = PyTuple_GET_SIZE(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3222 args2 = PyTuple_New(n+1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3223 if (args2 == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3224 goto end;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3225 PyTuple_SET_ITEM(args2, 0, cls);
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3226 cls = NULL;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3227 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3228 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
3229 Py_INCREF(v);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3230 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
3231 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3232
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3233 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
3234
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3235 end:
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3236 Py_XDECREF(cls);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3237 Py_XDECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3238 Py_XDECREF(args2);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3239 Py_XDECREF(slots);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3240 Py_XDECREF(state);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3241 Py_XDECREF(names);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3242 Py_XDECREF(listitems);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3243 Py_XDECREF(dictitems);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3244 Py_XDECREF(copyreg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3245 Py_XDECREF(newobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3246 return res;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3247 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3248
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3249 /*
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3250 * 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
3251 * were implemented in the same function:
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3252 * - 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
3253 * 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
3254 * 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
3255 * - 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
3256 * __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
3257 * and eventual segfault.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3258 *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3259 * 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
3260 * 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
3261 * 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
3262 * function.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3263 */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3264 static PyObject *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3265 _common_reduce(PyObject *self, int proto)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3266 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3267 PyObject *copyreg, *res;
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 if (proto >= 2)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3270 return reduce_2(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3271
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3272 copyreg = import_copyreg();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3273 if (!copyreg)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3274 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3275
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3276 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
3277 Py_DECREF(copyreg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3278
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3279 return res;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3280 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3281
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3282 static PyObject *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3283 object_reduce(PyObject *self, PyObject *args)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3284 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3285 int proto = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3286
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3287 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
3288 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3289
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3290 return _common_reduce(self, proto);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3291 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3292
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3293 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3294 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
3295 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3296 PyObject *reduce, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3297 int proto = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3298
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3299 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
3300 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3301
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3302 reduce = PyObject_GetAttrString(self, "__reduce__");
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3303 if (reduce == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3304 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3305 else {
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3306 PyObject *cls, *clsreduce, *objreduce;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3307 int override;
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3308 cls = PyObject_GetAttrString(self, "__class__");
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3309 if (cls == NULL) {
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3310 Py_DECREF(reduce);
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3311 return NULL;
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3312 }
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3313 clsreduce = PyObject_GetAttrString(cls, "__reduce__");
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3314 Py_DECREF(cls);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3315 if (clsreduce == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3316 Py_DECREF(reduce);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3317 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3318 }
65599
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3319 objreduce = PyDict_GetItemString(PyBaseObject_Type.tp_dict,
cd80d05f2fd6 Revert r85797 (and r85798): it broke the Windows buildbots because of
Antoine Pitrou <solipsis@pitrou.net>
parents: 65597
diff changeset
3320 "__reduce__");
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3321 override = (clsreduce != objreduce);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3322 Py_DECREF(clsreduce);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3323 if (override) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3324 res = PyObject_CallObject(reduce, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3325 Py_DECREF(reduce);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3326 return res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3327 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3328 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3329 Py_DECREF(reduce);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3330 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3331
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3332 return _common_reduce(self, proto);
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3333 }
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3334
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
3335 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
3336 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
3337 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3338 Py_INCREF(Py_NotImplemented);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3339 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
3340 }
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
3341
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
3342 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
3343 "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
3344 "\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
3345 "This is invoked early on by abc.ABCMeta.__subclasscheck__().\n"
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
3346 "It should return True, False or NotImplemented. If it returns\n"
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
3347 "NotImplemented, the normal algorithm is used. Otherwise, it\n"
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
3348 "overrides the normal algorithm (and the outcome is cached).\n");
42817
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3349
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3350 /*
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3351 from PEP 3101, this code implements:
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3352
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3353 class object:
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3354 def __format__(self, format_spec):
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3355 return format(str(self), format_spec)
42817
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3356 */
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3357 static PyObject *
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3358 object_format(PyObject *self, PyObject *args)
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3359 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3360 PyObject *format_spec;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3361 PyObject *self_as_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3362 PyObject *result = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3363
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3364 if (!PyArg_ParseTuple(args, "U:__format__", &format_spec))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3365 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3366
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3367 self_as_str = PyObject_Str(self);
64724
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3368 if (self_as_str != NULL) {
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3369 /* Issue 7994: If we're converting to a string, we
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3370 should reject format specifications */
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3371 if (PyUnicode_GET_SIZE(format_spec) > 0) {
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3372 if (PyErr_WarnEx(PyExc_PendingDeprecationWarning,
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3373 "object.__format__ with a non-empty format "
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3374 "string is deprecated", 1) < 0) {
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3375 goto done;
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3376 }
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3377 /* Eventually this will become an error:
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3378 PyErr_Format(PyExc_TypeError,
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3379 "non-empty format string passed to object.__format__");
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3380 goto done;
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3381 */
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3382 }
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3383
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3384 result = PyObject_Format(self_as_str, format_spec);
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3385 }
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3386
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3387 done:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3388 Py_XDECREF(self_as_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3389
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3390 return result;
42817
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3391 }
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3392
47466
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3393 static PyObject *
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3394 object_sizeof(PyObject *self, PyObject *args)
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3395 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3396 Py_ssize_t res, isize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3397
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3398 res = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3399 isize = self->ob_type->tp_itemsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3400 if (isize > 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3401 res = Py_SIZE(self->ob_type) * isize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3402 res += self->ob_type->tp_basicsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3403
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3404 return PyLong_FromSsize_t(res);
47466
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3405 }
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3406
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3407 static PyMethodDef object_methods[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3408 {"__reduce_ex__", object_reduce_ex, METH_VARARGS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3409 PyDoc_STR("helper for pickle")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3410 {"__reduce__", object_reduce, METH_VARARGS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3411 PyDoc_STR("helper for pickle")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3412 {"__subclasshook__", object_subclasshook, METH_CLASS | METH_VARARGS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3413 object_subclasshook_doc},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3414 {"__format__", object_format, METH_VARARGS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3415 PyDoc_STR("default object formatter")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3416 {"__sizeof__", object_sizeof, METH_NOARGS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3417 PyDoc_STR("__sizeof__() -> size of object in memory, in bytes")},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3418 {0}
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3419 };
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3420
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3421
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3422 PyTypeObject PyBaseObject_Type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3423 PyVarObject_HEAD_INIT(&PyType_Type, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3424 "object", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3425 sizeof(PyObject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3426 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3427 object_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3428 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3429 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3430 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3431 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3432 object_repr, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3433 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3434 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3435 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3436 (hashfunc)_Py_HashPointer, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3437 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3438 object_str, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3439 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3440 PyObject_GenericSetAttr, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3441 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3442 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3443 PyDoc_STR("The most base type"), /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3444 0, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3445 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3446 object_richcompare, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3447 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3448 0, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3449 0, /* tp_iternext */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3450 object_methods, /* tp_methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3451 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3452 object_getsets, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3453 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3454 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3455 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3456 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3457 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3458 object_init, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3459 PyType_GenericAlloc, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3460 object_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3461 PyObject_Del, /* tp_free */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3462 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3463
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3464
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
3465 /* Add the methods from tp_methods to the __dict__ in a type object */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3466
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3467 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3468 add_methods(PyTypeObject *type, PyMethodDef *meth)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3469 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3470 PyObject *dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3471
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3472 for (; meth->ml_name != NULL; meth++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3473 PyObject *descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3474 if (PyDict_GetItemString(dict, meth->ml_name) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3475 !(meth->ml_flags & METH_COEXIST))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3476 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3477 if (meth->ml_flags & METH_CLASS) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3478 if (meth->ml_flags & METH_STATIC) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3479 PyErr_SetString(PyExc_ValueError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3480 "method cannot be both class and static");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3481 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3482 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3483 descr = PyDescr_NewClassMethod(type, meth);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3484 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3485 else if (meth->ml_flags & METH_STATIC) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3486 PyObject *cfunc = PyCFunction_New(meth, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3487 if (cfunc == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3488 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3489 descr = PyStaticMethod_New(cfunc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3490 Py_DECREF(cfunc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3491 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3492 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3493 descr = PyDescr_NewMethod(type, meth);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3494 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3495 if (descr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3496 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3497 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
3498 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3499 Py_DECREF(descr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3500 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3501 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3502 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3503
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3504 static int
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
3505 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
3506 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3507 PyObject *dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3508
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3509 for (; memb->name != NULL; memb++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3510 PyObject *descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3511 if (PyDict_GetItemString(dict, memb->name))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3512 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3513 descr = PyDescr_NewMember(type, memb);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3514 if (descr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3515 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3516 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
3517 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3518 Py_DECREF(descr);
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 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3521 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3522
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3523 static int
20015
ca7af2a5d915 Add optional docstrings to getset descriptors. Fortunately, there's
Guido van Rossum <guido@python.org>
parents: 20012
diff changeset
3524 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
3525 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3526 PyObject *dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3527
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3528 for (; gsp->name != NULL; gsp++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3529 PyObject *descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3530 if (PyDict_GetItemString(dict, gsp->name))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3531 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3532 descr = PyDescr_NewGetSet(type, gsp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3533
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3534 if (descr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3535 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3536 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
3537 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3538 Py_DECREF(descr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3539 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3540 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3541 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3542
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3543 static void
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3544 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
3545 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3546
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3547 /* 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
3548 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
3549 (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
3550 (!type->tp_traverse && !type->tp_clear)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3551 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
3552 if (type->tp_traverse == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3553 type->tp_traverse = base->tp_traverse;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3554 if (type->tp_clear == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3555 type->tp_clear = base->tp_clear;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3556 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3557 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3558 /* 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
3559 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
3560 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
3561 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
3562 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
3563 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
3564 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
3565 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
3566 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
3567 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
3568 if (base != &PyBaseObject_Type ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3569 (type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3570 if (type->tp_new == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3571 type->tp_new = base->tp_new;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3572 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3573 }
62806
a7c8b4a6678b cleanup basicsize logic #3268
Benjamin Peterson <benjamin@python.org>
parents: 62088
diff changeset
3574 if (type->tp_basicsize == 0)
a7c8b4a6678b cleanup basicsize logic #3268
Benjamin Peterson <benjamin@python.org>
parents: 62088
diff changeset
3575 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
3576
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3577 /* 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
3578
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3579 #undef COPYVAL
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3580 #define COPYVAL(SLOT) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3581 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
3582
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3583 COPYVAL(tp_itemsize);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3584 COPYVAL(tp_weaklistoffset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3585 COPYVAL(tp_dictoffset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3586
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3587 /* Setup fast subclass flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3588 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
3589 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
3590 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
3591 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
3592 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
3593 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
3594 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
3595 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
3596 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
3597 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
3598 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
3599 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
3600 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
3601 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
3602 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
3603 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
3604 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3605
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
3606 static char *hash_name_op[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3607 "__eq__",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3608 "__hash__",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3609 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
3610 };
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3611
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3612 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
3613 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
3614 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3615 char **p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3616 PyObject *dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3617
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3618 assert(dict != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3619 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
3620 if (PyDict_GetItemString(dict, *p) != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3621 return 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3622 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3623 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
3624 }
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3625
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3626 static void
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3627 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
3628 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3629 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
3630
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3631 #undef SLOTDEFINED
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3632 #undef COPYSLOT
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3633 #undef COPYNUM
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3634 #undef COPYSEQ
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3635 #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
3636 #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
3637
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3638 #define SLOTDEFINED(SLOT) \
61466
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parents: 59538
diff changeset
3639 (base->SLOT != 0 && \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3640 (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
3641
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3642 #define COPYSLOT(SLOT) \
61466
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parents: 59538
diff changeset
3643 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
3644
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3645 #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
3646 #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
3647 #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
3648 #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
3649
61466
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parents: 59538
diff changeset
3650 /* 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
3651 if type doesn't provide the space. */
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parents: 59538
diff changeset
3652
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parents: 59538
diff changeset
3653 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
3654 basebase = base->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3655 if (basebase->tp_as_number == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
3656 basebase = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
3657 COPYNUM(nb_add);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
3658 COPYNUM(nb_subtract);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
3659 COPYNUM(nb_multiply);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
3660 COPYNUM(nb_remainder);
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parents: 59538
diff changeset
3661 COPYNUM(nb_divmod);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
3662 COPYNUM(nb_power);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3663 COPYNUM(nb_negative);
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parents: 59538
diff changeset
3664 COPYNUM(nb_positive);
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parents: 59538
diff changeset
3665 COPYNUM(nb_absolute);
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parents: 59538
diff changeset
3666 COPYNUM(nb_bool);
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parents: 59538
diff changeset
3667 COPYNUM(nb_invert);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3668 COPYNUM(nb_lshift);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3669 COPYNUM(nb_rshift);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3670 COPYNUM(nb_and);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3671 COPYNUM(nb_xor);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3672 COPYNUM(nb_or);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3673 COPYNUM(nb_int);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3674 COPYNUM(nb_float);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3675 COPYNUM(nb_inplace_add);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3676 COPYNUM(nb_inplace_subtract);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3677 COPYNUM(nb_inplace_multiply);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3678 COPYNUM(nb_inplace_remainder);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3679 COPYNUM(nb_inplace_power);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3680 COPYNUM(nb_inplace_lshift);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3681 COPYNUM(nb_inplace_rshift);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3682 COPYNUM(nb_inplace_and);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3683 COPYNUM(nb_inplace_xor);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3684 COPYNUM(nb_inplace_or);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3685 COPYNUM(nb_true_divide);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3686 COPYNUM(nb_floor_divide);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3687 COPYNUM(nb_inplace_true_divide);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3688 COPYNUM(nb_inplace_floor_divide);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3689 COPYNUM(nb_index);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3690 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3691
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3692 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
3693 basebase = base->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3694 if (basebase->tp_as_sequence == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3695 basebase = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3696 COPYSEQ(sq_length);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3697 COPYSEQ(sq_concat);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3698 COPYSEQ(sq_repeat);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3699 COPYSEQ(sq_item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3700 COPYSEQ(sq_ass_item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3701 COPYSEQ(sq_contains);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3702 COPYSEQ(sq_inplace_concat);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3703 COPYSEQ(sq_inplace_repeat);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3704 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3705
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3706 if (type->tp_as_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
3707 basebase = base->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3708 if (basebase->tp_as_mapping == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3709 basebase = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3710 COPYMAP(mp_length);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3711 COPYMAP(mp_subscript);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3712 COPYMAP(mp_ass_subscript);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3713 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3714
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3715 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
3716 basebase = base->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3717 if (basebase->tp_as_buffer == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3718 basebase = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3719 COPYBUF(bf_getbuffer);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3720 COPYBUF(bf_releasebuffer);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3721 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3722
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3723 basebase = base->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3724
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3725 COPYSLOT(tp_dealloc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3726 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
3727 type->tp_getattr = base->tp_getattr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3728 type->tp_getattro = base->tp_getattro;
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 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
3731 type->tp_setattr = base->tp_setattr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3732 type->tp_setattro = base->tp_setattro;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3733 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3734 /* tp_reserved is ignored */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3735 COPYSLOT(tp_repr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3736 /* tp_hash see tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3737 COPYSLOT(tp_call);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3738 COPYSLOT(tp_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3739 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3740 /* Copy comparison-related slots only when
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3741 not overriding them anywhere */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3742 if (type->tp_richcompare == NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3743 type->tp_hash == NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3744 !overrides_hash(type))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3745 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3746 type->tp_richcompare = base->tp_richcompare;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3747 type->tp_hash = base->tp_hash;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3748 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3749 }
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 COPYSLOT(tp_iter);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3752 COPYSLOT(tp_iternext);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3753 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3754 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3755 COPYSLOT(tp_descr_get);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3756 COPYSLOT(tp_descr_set);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3757 COPYSLOT(tp_dictoffset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3758 COPYSLOT(tp_init);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3759 COPYSLOT(tp_alloc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3760 COPYSLOT(tp_is_gc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3761 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
3762 (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
3763 /* They agree about gc. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3764 COPYSLOT(tp_free);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3765 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3766 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
3767 type->tp_free == NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3768 base->tp_free == PyObject_Free) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3769 /* 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
3770 * 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
3771 * 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
3772 * default non-gc tp_free.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3773 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3774 type->tp_free = PyObject_GC_Del;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3775 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3776 /* 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
3777 * 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
3778 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3779 }
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3780 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3781
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
3782 static int add_operators(PyTypeObject *);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3783
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3784 int
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 19036
diff changeset
3785 PyType_Ready(PyTypeObject *type)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3786 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3787 PyObject *dict, *bases;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3788 PyTypeObject *base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3789 Py_ssize_t i, n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3790
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3791 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
3792 assert(type->tp_dict != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3793 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3794 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3795 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
3796
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3797 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
3798
28389
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3799 #ifdef Py_TRACE_REFS
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3800 /* 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
3801 * 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
3802 * 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
3803 * 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
3804 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3805 _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
3806 #endif
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3807
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3808 /* 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
3809 base = type->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3810 if (base == NULL && type != &PyBaseObject_Type) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3811 base = type->tp_base = &PyBaseObject_Type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3812 Py_INCREF(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
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3815 /* 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
3816 * &PyBaseObject_Type.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3817 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3818
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3819 /* Initialize the base class */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3820 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
3821 if (PyType_Ready(base) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3822 goto error;
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 /* 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
3826 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
3827 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
3828 /* 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
3829 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
3830 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
3831 know that. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3832 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
3833 Py_TYPE(type) = Py_TYPE(base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3834
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3835 /* Initialize tp_bases */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3836 bases = type->tp_bases;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3837 if (bases == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3838 if (base == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3839 bases = PyTuple_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3840 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3841 bases = PyTuple_Pack(1, base);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3842 if (bases == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3843 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3844 type->tp_bases = bases;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3845 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3846
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3847 /* Initialize tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3848 dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3849 if (dict == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3850 dict = PyDict_New();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3851 if (dict == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3852 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3853 type->tp_dict = dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3854 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3855
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3856 /* 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
3857 if (add_operators(type) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3858 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3859 if (type->tp_methods != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3860 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
3861 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3862 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3863 if (type->tp_members != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3864 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
3865 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3866 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3867 if (type->tp_getset != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3868 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
3869 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3870 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3871
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3872 /* Calculate method resolution order */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3873 if (mro_internal(type) < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3874 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3875 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3876
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3877 /* Inherit special flags from dominant base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3878 if (type->tp_base != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3879 inherit_special(type, type->tp_base);
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 /* Initialize tp_dict properly */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3882 bases = type->tp_mro;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3883 assert(bases != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3884 assert(PyTuple_Check(bases));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3885 n = PyTuple_GET_SIZE(bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3886 for (i = 1; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3887 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
3888 if (PyType_Check(b))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3889 inherit_slots(type, (PyTypeObject *)b);
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
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3892 /* Sanity check for tp_free. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3893 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
3894 (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
3895 /* 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
3896 * 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
3897 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3898 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
3899 "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
3900 "tp_free slot",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3901 type->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3902 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3903 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3904
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3905 /* 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
3906 the tp_doc slot.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3907 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3908 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
3909 if (type->tp_doc != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3910 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
3911 if (doc == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3912 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3913 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
3914 Py_DECREF(doc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3915 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3916 PyDict_SetItemString(type->tp_dict,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3917 "__doc__", Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3918 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3919 }
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 /* Hack for tp_hash and __hash__.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3922 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
3923 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
3924 tp_dict['__hash__'] equal to None.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3925 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
3926 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3927 if (type->tp_hash == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3928 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
3929 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
3930 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3931 type->tp_hash = PyObject_HashNotImplemented;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3932 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3933 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3934
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3935 /* Some more special stuff */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3936 base = type->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3937 if (base != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3938 if (type->tp_as_number == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3939 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
3940 if (type->tp_as_sequence == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3941 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
3942 if (type->tp_as_mapping == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3943 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
3944 if (type->tp_as_buffer == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3945 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
3946 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3947
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3948 /* 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
3949 bases = type->tp_bases;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3950 n = PyTuple_GET_SIZE(bases);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3951 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3952 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
3953 if (PyType_Check(b) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3954 add_subclass((PyTypeObject *)b, type) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3955 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3956 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3957
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3958 /* 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
3959 tp_reserved) but not tp_richcompare. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3960 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
3961 int error;
63949
fa2d9720a66c Issue #9425: Create PyErr_WarnFormat() function
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63114
diff changeset
3962 error = PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
fa2d9720a66c Issue #9425: Create PyErr_WarnFormat() function
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63114
diff changeset
3963 "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
3964 "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
3965 type->tp_name);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3966 if (error == -1)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3967 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3968 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3969
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3970 /* All done -- set the ready flag */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3971 assert(type->tp_dict != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3972 type->tp_flags =
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3973 (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
3974 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
3975
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3976 error:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3977 type->tp_flags &= ~Py_TPFLAGS_READYING;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3978 return -1;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3979 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3980
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3981 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
3982 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
3983 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3984 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3985 int result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3986 PyObject *list, *ref, *newobj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3987
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3988 list = base->tp_subclasses;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3989 if (list == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3990 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
3991 if (list == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3992 return -1;
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 assert(PyList_Check(list));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3995 newobj = PyWeakref_NewRef((PyObject *)type, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3996 i = PyList_GET_SIZE(list);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3997 while (--i >= 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3998 ref = PyList_GET_ITEM(list, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
3999 assert(PyWeakref_CheckRef(ref));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4000 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
4001 return PyList_SetItem(list, i, newobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4002 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4003 result = PyList_Append(list, newobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4004 Py_DECREF(newobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4005 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
4006 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4007
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4008 static void
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4009 remove_subclass(PyTypeObject *base, PyTypeObject *type)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4010 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4011 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4012 PyObject *list, *ref;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4013
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4014 list = base->tp_subclasses;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4015 if (list == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4016 return;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4017 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4018 assert(PyList_Check(list));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4019 i = PyList_GET_SIZE(list);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4020 while (--i >= 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4021 ref = PyList_GET_ITEM(list, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4022 assert(PyWeakref_CheckRef(ref));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4023 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
4024 /* this can't fail, right? */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4025 PySequence_DelItem(list, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4026 return;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4027 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4028 }
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4029 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4030
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4031 static int
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4032 check_num_args(PyObject *ob, int n)
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4033 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4034 if (!PyTuple_CheckExact(ob)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4035 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4036 "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
4037 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4038 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4039 if (n == PyTuple_GET_SIZE(ob))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4040 return 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4041 PyErr_Format(
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4042 PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4043 "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
4044 return 0;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4045 }
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4046
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4047 /* 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
4048
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4049 /* 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
4050 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
4051 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
4052 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
4053 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
4054
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4055 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4056 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
4057 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4058 lenfunc func = (lenfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4059 Py_ssize_t res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4060
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4061 if (!check_num_args(args, 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4062 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4063 res = (*func)(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4064 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4065 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4066 return PyLong_FromLong((long)res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4067 }
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 static PyObject *
30670
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4070 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
4071 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4072 inquiry func = (inquiry)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4073 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4074
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4075 if (!check_num_args(args, 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4076 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4077 res = (*func)(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4078 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4079 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4080 return PyBool_FromLong((long)res);
30670
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4081 }
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4082
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4083 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4084 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
4085 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4086 binaryfunc func = (binaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4087 PyObject *other;
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, 1))
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 other = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4092 return (*func)(self, other);
18933
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
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4095 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
4096 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
4097 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4098 binaryfunc func = (binaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4099 PyObject *other;
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 (!check_num_args(args, 1))
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 other = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4104 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
4105 }
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4106
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4107 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4108 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
4109 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4110 binaryfunc func = (binaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4111 PyObject *other;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4112
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4113 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4114 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4115 other = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4116 return (*func)(other, self);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4117 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4118
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4119 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4120 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
4121 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4122 ternaryfunc func = (ternaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4123 PyObject *other;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4124 PyObject *third = Py_None;
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 /* 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
4127
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4128 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
4129 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4130 return (*func)(self, other, third);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4131 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4132
20168
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4133 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
4134 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
4135 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4136 ternaryfunc func = (ternaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4137 PyObject *other;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4138 PyObject *third = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4139
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4140 /* 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
4141
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4142 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
4143 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4144 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
4145 }
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4146
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4147 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4148 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
4149 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4150 unaryfunc func = (unaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4151
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4152 if (!check_num_args(args, 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4153 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4154 return (*func)(self);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4155 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4156
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4157 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
4158 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
4159 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4160 ssizeargfunc func = (ssizeargfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4161 PyObject* o;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4162 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4163
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4164 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
4165 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4166 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
4167 if (i == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4168 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4169 return (*func)(self, i);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4170 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4171
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4172 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
4173 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
4174 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4175 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4176
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4177 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
4178 if (i == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4179 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4180 if (i < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4181 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
4182 if (sq && sq->sq_length) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4183 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
4184 if (n < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4185 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4186 i += n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4187 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4188 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4189 return i;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4190 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4191
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4192 static PyObject *
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4193 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
4194 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4195 ssizeargfunc func = (ssizeargfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4196 PyObject *arg;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4197 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4198
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4199 if (PyTuple_GET_SIZE(args) == 1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4200 arg = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4201 i = getindex(self, arg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4202 if (i == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4203 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4204 return (*func)(self, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4205 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4206 check_num_args(args, 1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4207 assert(PyErr_Occurred());
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4208 return NULL;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4209 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4210
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4211 static PyObject *
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4212 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
4213 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4214 ssizeobjargproc func = (ssizeobjargproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4215 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4216 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4217 PyObject *arg, *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4218
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4219 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
4220 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4221 i = getindex(self, arg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4222 if (i == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4223 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4224 res = (*func)(self, i, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4225 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4226 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4227 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4228 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4229 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4230
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4231 static PyObject *
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4232 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
4233 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4234 ssizeobjargproc func = (ssizeobjargproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4235 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4236 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4237 PyObject *arg;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4238
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4239 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4240 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4241 arg = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4242 i = getindex(self, arg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4243 if (i == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4244 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4245 res = (*func)(self, i, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4246 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4247 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4248 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4249 return Py_None;
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4250 }
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4251
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4252 /* 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
4253 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4254 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
4255 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4256 objobjproc func = (objobjproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4257 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4258 PyObject *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4259
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4260 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4261 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4262 value = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4263 res = (*func)(self, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4264 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4265 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4266 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4267 return PyBool_FromLong(res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4268 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4269
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4270 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4271 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
4272 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4273 objobjargproc func = (objobjargproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4274 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4275 PyObject *key, *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4276
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4277 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
4278 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4279 res = (*func)(self, key, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4280 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4281 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4282 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4283 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4284 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4285
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4286 static PyObject *
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4287 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
4288 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4289 objobjargproc func = (objobjargproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4290 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4291 PyObject *key;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4292
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4293 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4294 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4295 key = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4296 res = (*func)(self, key, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4297 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4298 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4299 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4300 return Py_None;
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4301 }
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4302
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4303 /* 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
4304 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
4305 static int
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4306 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
4307 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4308 PyTypeObject *type = Py_TYPE(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4309 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
4310 type = type->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4311 /* 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
4312 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
4313 if (type && type->tp_setattro != func) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4314 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4315 "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
4316 what,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4317 type->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4318 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4319 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4320 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
4321 }
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4322
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4323 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4324 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
4325 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4326 setattrofunc func = (setattrofunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4327 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4328 PyObject *name, *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4329
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4330 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
4331 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4332 if (!hackcheck(self, func, "__setattr__"))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4333 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4334 res = (*func)(self, name, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4335 if (res < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4336 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4337 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4338 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4339 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4340
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4341 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4342 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
4343 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4344 setattrofunc func = (setattrofunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4345 int res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4346 PyObject *name;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4347
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4348 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4349 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4350 name = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4351 if (!hackcheck(self, func, "__delattr__"))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4352 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4353 res = (*func)(self, name, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4354 if (res < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4355 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4356 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4357 return Py_None;
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_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
4362 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4363 hashfunc func = (hashfunc)wrapped;
65603
be8ae6b17539 follow up to #9778: define and use an unsigned hash type
Benjamin Peterson <benjamin@python.org>
parents: 65599
diff changeset
4364 Py_hash_t res;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4365
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4366 if (!check_num_args(args, 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4367 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4368 res = (*func)(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4369 if (res == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4370 return NULL;
65603
be8ae6b17539 follow up to #9778: define and use an unsigned hash type
Benjamin Peterson <benjamin@python.org>
parents: 65599
diff changeset
4371 return PyLong_FromSsize_t(res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4372 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4373
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4374 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
4375 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
4376 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4377 ternaryfunc func = (ternaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4378
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4379 return (*func)(self, args, kwds);
18933
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
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4382 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4383 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
4384 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4385 richcmpfunc func = (richcmpfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4386 PyObject *other;
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 (!check_num_args(args, 1))
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 other = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4391 return (*func)(self, other, op);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4392 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4393
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4394 #undef RICHCMP_WRAPPER
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4395 #define RICHCMP_WRAPPER(NAME, OP) \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4396 static PyObject * \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4397 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
4398 { \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4399 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
4400 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4401
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
4402 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
4403 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
4404 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
4405 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
4406 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
4407 RICHCMP_WRAPPER(ge, Py_GE)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4408
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4409 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4410 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
4411 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4412 unaryfunc func = (unaryfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4413 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4414
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4415 if (!check_num_args(args, 0))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4416 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4417 res = (*func)(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4418 if (res == NULL && !PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4419 PyErr_SetNone(PyExc_StopIteration);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4420 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4421 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4422
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4423 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4424 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
4425 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4426 descrgetfunc func = (descrgetfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4427 PyObject *obj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4428 PyObject *type = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4429
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4430 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
4431 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4432 if (obj == Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4433 obj = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4434 if (type == Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4435 type = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4436 if (type == NULL &&obj == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4437 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4438 "__get__(None, None) is invalid");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4439 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4440 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4441 return (*func)(self, obj, type);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4442 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4443
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4444 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
4445 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
4446 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4447 descrsetfunc func = (descrsetfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4448 PyObject *obj, *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4449 int ret;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4450
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4451 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
4452 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4453 ret = (*func)(self, obj, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4454 if (ret < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4455 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4456 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4457 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4458 }
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
4459
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4460 static PyObject *
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4461 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
4462 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4463 descrsetfunc func = (descrsetfunc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4464 PyObject *obj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4465 int ret;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4467 if (!check_num_args(args, 1))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4468 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4469 obj = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4470 ret = (*func)(self, obj, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4471 if (ret < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4472 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4473 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4474 return Py_None;
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4475 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4476
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4477 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
4478 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
4479 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4480 initproc func = (initproc)wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4481
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4482 if (func(self, args, kwds) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4483 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4484 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4485 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4486 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4487
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4488 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
4489 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
4490 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4491 PyTypeObject *type, *subtype, *staticbase;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4492 PyObject *arg0, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4493
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4494 if (self == NULL || !PyType_Check(self))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4495 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
4496 type = (PyTypeObject *)self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4497 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
4498 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4499 "%s.__new__(): not enough arguments",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4500 type->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4501 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4502 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4503 arg0 = PyTuple_GET_ITEM(args, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4504 if (!PyType_Check(arg0)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4505 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4506 "%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
4507 type->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4508 Py_TYPE(arg0)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4509 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4510 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4511 subtype = (PyTypeObject *)arg0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4512 if (!PyType_IsSubtype(subtype, type)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4513 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4514 "%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
4515 type->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4516 subtype->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4517 subtype->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4518 type->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4519 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4520 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4521
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4522 /* 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
4523 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
4524 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
4525 staticbase = subtype;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4526 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
4527 staticbase = staticbase->tp_base;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4528 /* 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
4529 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
4530 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
4531 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4532 "%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
4533 type->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4534 subtype->tp_name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4535 staticbase == NULL ? "?" : staticbase->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4536 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4537 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4538
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4539 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
4540 if (args == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4541 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4542 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
4543 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4544 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4545 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4546
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
4547 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
4548 {"__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
4549 PyDoc_STR("T.__new__(S, ...) -> "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4550 "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
4551 {0}
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4552 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4553
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4554 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
4555 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
4556 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4557 PyObject *func;
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 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
4560 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4561 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
4562 if (func == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4563 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4564 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
4565 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4566 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4567 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4568 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4569 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
4570 }
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4571
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4572 /* Slot wrappers that call the corresponding __foo__ slot. See comments
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4573 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
4574
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4575 #define SLOT0(FUNCNAME, OPSTR) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4576 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4577 FUNCNAME(PyObject *self) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4578 { \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4579 static PyObject *cache_str; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4580 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
4581 }
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4582
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4583 #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
4584 static PyObject * \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4585 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
4586 { \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4587 static PyObject *cache_str; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4588 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
4589 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4590
27124
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4591 /* 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
4592 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
4593 static int
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4594 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
4595 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4596 PyObject *a, *b;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4597 int ok;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4598
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4599 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
4600 if (b == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4601 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4602 /* 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
4603 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4604 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4605
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4606 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
4607 if (a == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4608 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4609 Py_DECREF(b);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4610 /* 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
4611 return 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4612 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4613
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4614 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
4615 Py_DECREF(a);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4616 Py_DECREF(b);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4617 if (ok < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4618 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4619 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4620 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4621
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4622 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
4623 }
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4624
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4625
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4626 #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
4627 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4628 FUNCNAME(PyObject *self, PyObject *other) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4629 { \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4630 static PyObject *cache_str, *rcache_str; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4631 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
4632 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
4633 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
4634 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
4635 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
4636 PyObject *r; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4637 if (do_other && \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4638 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
4639 method_is_overloaded(self, other, ROPSTR)) { \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4640 r = call_maybe( \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4641 other, ROPSTR, &rcache_str, "(O)", self); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4642 if (r != Py_NotImplemented) \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4643 return r; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4644 Py_DECREF(r); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4645 do_other = 0; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4646 } \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4647 r = call_maybe( \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4648 self, OPSTR, &cache_str, "(O)", other); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4649 if (r != Py_NotImplemented || \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4650 Py_TYPE(other) == Py_TYPE(self)) \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4651 return r; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4652 Py_DECREF(r); \
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 if (do_other) { \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4655 return call_maybe( \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4656 other, ROPSTR, &rcache_str, "(O)", self); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4657 } \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4658 Py_INCREF(Py_NotImplemented); \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4659 return Py_NotImplemented; \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4660 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4661
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4662 #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
4663 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
4664
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4665 #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
4666 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4667 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
4668 { \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4669 static PyObject *cache_str; \
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4670 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
4671 "(" ARGCODES ")", arg1, arg2); \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4672 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4673
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4674 static Py_ssize_t
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4675 slot_sq_length(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4676 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4677 static PyObject *len_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4678 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
4679 Py_ssize_t len;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4680
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4681 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4682 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4683 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
4684 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4685 if (len < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4686 if (!PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4687 PyErr_SetString(PyExc_ValueError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4688 "__len__() should return >= 0");
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 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4691 return len;
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
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4694 /* 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
4695 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
4696 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4697 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
4698 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4699 static PyObject *getitem_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4700 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
4701 descrgetfunc f;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4702
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4703 if (getitem_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4704 getitem_str = PyUnicode_InternFromString("__getitem__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4705 if (getitem_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4706 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4707 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4708 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
4709 if (func != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4710 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
4711 Py_INCREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4712 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4713 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
4714 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4715 return NULL;
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 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4718 ival = PyLong_FromSsize_t(i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4719 if (ival != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4720 args = PyTuple_New(1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4721 if (args != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4722 PyTuple_SET_ITEM(args, 0, ival);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4723 retval = PyObject_Call(func, args, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4724 Py_XDECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4725 Py_XDECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4726 return retval;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4727 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4728 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4729 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4730 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4731 PyErr_SetObject(PyExc_AttributeError, getitem_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4732 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4733 Py_XDECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4734 Py_XDECREF(ival);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4735 Py_XDECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4736 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
4737 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4738
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4739 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4740 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
4741 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4742 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4743 static PyObject *delitem_str, *setitem_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4744
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4745 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4746 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
4747 "(n)", index);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4748 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4749 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
4750 "(nO)", index, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4751 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4752 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4753 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4754 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4755 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4756
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4757 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4758 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
4759 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4760 PyObject *func, *res, *args;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4761 int result = -1;
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 static PyObject *contains_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4764
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4765 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
4766 if (func != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4767 args = PyTuple_Pack(1, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4768 if (args == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4769 res = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4770 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4771 res = PyObject_Call(func, args, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4772 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4773 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4774 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4775 if (res != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4776 result = PyObject_IsTrue(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4777 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4778 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4779 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4780 else if (! PyErr_Occurred()) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4781 /* Possible results: -1 and 1 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4782 result = (int)_PySequence_IterSearch(self, value,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4783 PY_ITERSEARCH_CONTAINS);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4784 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4785 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4786 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4787
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4788 #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
4789
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4790 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
4791
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4792 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4793 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
4794 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4795 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4796 static PyObject *delitem_str, *setitem_str;
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 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4799 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
4800 "(O)", key);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4801 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4802 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
4803 "(OO)", key, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4804 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4805 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4806 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4807 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4808 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4809
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4810 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
4811 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
4812 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
4813 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
4814 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
4815
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
4816 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
4817
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4818 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
4819 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
4820
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4821 static PyObject *
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4822 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
4823 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4824 static PyObject *pow_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4825
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4826 if (modulus == Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4827 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
4828 /* 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
4829 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
4830 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
4831 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
4832 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
4833 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
4834 "(OO)", other, modulus);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4835 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4836 Py_INCREF(Py_NotImplemented);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4837 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
4838 }
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4839
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_negative, "__neg__")
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_positive, "__pos__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4842 SLOT0(slot_nb_absolute, "__abs__")
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4843
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4844 static int
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4845 slot_nb_bool(PyObject *self)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4846 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4847 PyObject *func, *args;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4848 static PyObject *bool_str, *len_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4849 int result = -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4850 int using_len = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4851
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4852 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
4853 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4854 if (PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4855 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4856 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
4857 if (func == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4858 return PyErr_Occurred() ? -1 : 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4859 using_len = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4860 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4861 args = PyTuple_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4862 if (args != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4863 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
4864 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4865 if (temp != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4866 if (using_len) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4867 /* enforced by slot_nb_len */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4868 result = PyObject_IsTrue(temp);
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 else if (PyBool_Check(temp)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4871 result = PyObject_IsTrue(temp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4872 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4873 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4874 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4875 "__bool__ should return "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4876 "bool, returned %s",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4877 Py_TYPE(temp)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4878 result = -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4879 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4880 Py_DECREF(temp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4881 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4882 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4883 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4884 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4885 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4886
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4887
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39603
diff changeset
4888 static PyObject *
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4889 slot_nb_index(PyObject *self)
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4890 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4891 static PyObject *index_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4892 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
4893 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4894
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4895
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4896 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
4897 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
4898 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
4899 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
4900 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
4901 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
4902
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4903 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
4904 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
4905 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
4906 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
4907 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
4908 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
4909 /* 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
4910 static PyObject *
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4911 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
4912 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4913 static PyObject *cache_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4914 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
4915 }
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4916 SLOT1(slot_nb_inplace_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
4917 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
4918 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
4919 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
4920 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
4921 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
4922 "__floordiv__", "__rfloordiv__")
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4923 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
4924 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
4925 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
4926
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4927 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4928 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
4929 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4930 PyObject *func, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4931 static PyObject *repr_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4932
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4933 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
4934 if (func != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4935 res = PyEval_CallObject(func, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4936 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4937 return res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4938 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4939 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4940 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
4941 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
4942 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4943
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4944 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4945 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
4946 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4947 PyObject *func, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4948 static PyObject *str_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4949
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4950 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
4951 if (func != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4952 res = PyEval_CallObject(func, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4953 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4954 return res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4955 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4956 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4957 PyObject *ress;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4958 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4959 res = slot_tp_repr(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4960 if (!res)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4961 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4962 ress = _PyUnicode_AsDefaultEncodedString(res, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4963 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4964 return ress;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4965 }
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4966 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4967
65494
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4968 static Py_hash_t
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4969 slot_tp_hash(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4970 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4971 PyObject *func, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4972 static PyObject *hash_str;
65494
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4973 Py_ssize_t h;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4974
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4975 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
4976
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4977 if (func == Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4978 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4979 func = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4980 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4981
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4982 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4983 return PyObject_HashNotImplemented(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4984 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4985
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4986 res = PyEval_CallObject(func, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4987 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4988 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
4989 return -1;
61873
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4990
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4991 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
4992 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
4993 "__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
4994 return -1;
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
4995 }
65494
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4996 /* Transform the PyLong `res` to a Py_hash_t `h`. For an existing
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4997 hashable Python object x, hash(x) will always lie within the range of
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4998 Py_hash_t. Therefore our transformation must preserve values that
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
4999 already lie within this range, to ensure that if x.__hash__() returns
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
5000 hash(y) then hash(x) == hash(y). */
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
5001 h = PyLong_AsSsize_t(res);
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
5002 if (h == -1 && PyErr_Occurred()) {
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
5003 /* res was not within the range of a Py_hash_t, so we're free to
61873
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
5004 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
5005 long.__hash__ will do nicely. */
65494
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
5006 PyErr_Clear();
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5007 h = PyLong_Type.tp_hash(res);
65494
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
5008 }
65499
b1bda1ec995f -1 is reserved for errors
Benjamin Peterson <benjamin@python.org>
parents: 65494
diff changeset
5009 /* -1 is reserved for errors. */
b1bda1ec995f -1 is reserved for errors
Benjamin Peterson <benjamin@python.org>
parents: 65494
diff changeset
5010 if (h == -1)
b1bda1ec995f -1 is reserved for errors
Benjamin Peterson <benjamin@python.org>
parents: 65494
diff changeset
5011 h = -2;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5012 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
5013 return h;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5014 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5015
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5016 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5017 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
5018 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5019 static PyObject *call_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5020 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
5021 PyObject *res;
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 if (meth == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5024 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5025
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5026 res = PyObject_Call(meth, args, kwds);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5027
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5028 Py_DECREF(meth);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5029 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5030 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5031
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
5032 /* 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
5033
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
5034 - 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
5035 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
5036
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
5037 - 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
5038
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5039 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
5040 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
5041 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
5042
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5043 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5044 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
5045 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5046 static PyObject *getattribute_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5047 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
5048 "(O)", name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5049 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5050
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5051 static PyObject *
49742
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5052 call_attribute(PyObject *self, PyObject *attr, PyObject *name)
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5053 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5054 PyObject *res, *descr = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5055 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
5056
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5057 if (f != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5058 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
5059 if (descr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5060 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5061 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5062 attr = descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5063 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5064 res = PyObject_CallFunctionObjArgs(attr, name, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5065 Py_XDECREF(descr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5066 return res;
49742
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5067 }
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5068
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5069 static PyObject *
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5070 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
5071 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5072 PyTypeObject *tp = Py_TYPE(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5073 PyObject *getattr, *getattribute, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5074 static PyObject *getattribute_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5075 static PyObject *getattr_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5076
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5077 if (getattr_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5078 getattr_str = PyUnicode_InternFromString("__getattr__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5079 if (getattr_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5080 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5081 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5082 if (getattribute_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5083 getattribute_str =
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5084 PyUnicode_InternFromString("__getattribute__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5085 if (getattribute_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5086 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5087 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5088 /* 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
5089 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
5090 __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
5091 _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
5092 call_attribute. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5093 getattr = _PyType_Lookup(tp, getattr_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5094 if (getattr == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5095 /* 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
5096 tp->tp_getattro = slot_tp_getattro;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5097 return slot_tp_getattro(self, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5098 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5099 Py_INCREF(getattr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5100 /* 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
5101 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
5102 __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
5103 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
5104 needed, with call_attribute. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5105 getattribute = _PyType_Lookup(tp, getattribute_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5106 if (getattribute == NULL ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5107 (Py_TYPE(getattribute) == &PyWrapperDescr_Type &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5108 ((PyWrapperDescrObject *)getattribute)->d_wrapped ==
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5109 (void *)PyObject_GenericGetAttr))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5110 res = PyObject_GenericGetAttr(self, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5111 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5112 Py_INCREF(getattribute);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5113 res = call_attribute(self, getattribute, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5114 Py_DECREF(getattribute);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5115 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5116 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
5117 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5118 res = call_attribute(self, getattr, name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5119 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5120 Py_DECREF(getattr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5121 return res;
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5122 }
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5123
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5124 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5125 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
5126 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5127 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5128 static PyObject *delattr_str, *setattr_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5129
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5130 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5131 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
5132 "(O)", name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5133 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5134 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
5135 "(OO)", name, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5136 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5137 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5138 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5139 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5140 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5141
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5142 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
5143 "__lt__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5144 "__le__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5145 "__eq__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5146 "__ne__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5147 "__gt__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5148 "__ge__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5149 };
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5150
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5151 static PyObject *
57273
c5099818e0d4 Issue #6970: Remove redundant calls made when comparing objects.
Mark Dickinson <dickinsm@gmail.com>
parents: 55399
diff changeset
5152 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
5153 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5154 PyObject *func, *args, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5155 static PyObject *op_str[6];
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 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
5158 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5159 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5160 Py_INCREF(Py_NotImplemented);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5161 return Py_NotImplemented;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5162 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5163 args = PyTuple_Pack(1, other);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5164 if (args == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5165 res = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5166 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5167 res = PyObject_Call(func, args, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5168 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5169 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5170 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5171 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5172 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5173
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5174 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5175 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
5176 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5177 PyObject *func, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5178 static PyObject *iter_str, *getitem_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5179
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5180 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
5181 if (func != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5182 PyObject *args;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5183 args = res = PyTuple_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5184 if (args != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5185 res = PyObject_Call(func, args, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5186 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5187 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5188 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5189 return res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5190 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5191 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5192 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
5193 if (func == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5194 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5195 "'%.200s' object is not iterable",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5196 Py_TYPE(self)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5197 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5198 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5199 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5200 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
5201 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5202
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5203 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5204 slot_tp_iternext(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5205 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5206 static PyObject *next_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5207 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
5208 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5209
19339
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5210 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
5211 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
5212 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5213 PyTypeObject *tp = Py_TYPE(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5214 PyObject *get;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5215 static PyObject *get_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5216
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5217 if (get_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5218 get_str = PyUnicode_InternFromString("__get__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5219 if (get_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5220 return NULL;
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 get = _PyType_Lookup(tp, get_str);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5223 if (get == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5224 /* Avoid further slowdowns */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5225 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
5226 tp->tp_descr_get = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5227 Py_INCREF(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5228 return self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5229 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5230 if (obj == NULL)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5231 obj = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5232 if (type == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5233 type = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5234 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
5235 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5236
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5237 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5238 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
5239 {
61466
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parents: 59538
diff changeset
5240 PyObject *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5241 static PyObject *del_str, *set_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5242
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5243 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5244 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
5245 "(O)", target);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5246 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5247 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
5248 "(OO)", target, value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5249 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5250 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5251 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5252 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5253 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5254
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5255 static int
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Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5256 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
5257 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5258 static PyObject *init_str;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5259 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
5260 PyObject *res;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5261
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5262 if (meth == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5263 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5264 res = PyObject_Call(meth, args, kwds);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5265 Py_DECREF(meth);
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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 return -1;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5268 if (res != Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5269 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5270 "__init__() should return None, not '%.200s'",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5271 Py_TYPE(res)->tp_name);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5272 Py_DECREF(res);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5273 return -1;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5274 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5275 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5276 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5277 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5278
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5279 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5280 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
5281 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5282 static PyObject *new_str;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5283 PyObject *func;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5284 PyObject *newargs, *x;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5285 Py_ssize_t i, n;
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
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5287 if (new_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5288 new_str = PyUnicode_InternFromString("__new__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5289 if (new_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5290 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5291 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5292 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
5293 if (func == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5294 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5295 assert(PyTuple_Check(args));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5296 n = PyTuple_GET_SIZE(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5297 newargs = PyTuple_New(n+1);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5298 if (newargs == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5299 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5300 Py_INCREF(type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5301 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
5302 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5303 x = PyTuple_GET_ITEM(args, i);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5304 Py_INCREF(x);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5305 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
5306 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5307 x = PyObject_Call(func, newargs, kwds);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5308 Py_DECREF(newargs);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5309 Py_DECREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5310 return x;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5311 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5312
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5313 static void
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5314 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
5315 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5316 static PyObject *del_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5317 PyObject *del, *res;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5318 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
5319
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5320 /* Temporarily resurrect the object. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5321 assert(self->ob_refcnt == 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5322 self->ob_refcnt = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5323
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5324 /* Save the current exception, if any. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5325 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
5326
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5327 /* Execute __del__ method, if any. */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5328 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
5329 if (del != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5330 res = PyEval_CallObject(del, NULL);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5331 if (res == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5332 PyErr_WriteUnraisable(del);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5333 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5334 Py_DECREF(res);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5335 Py_DECREF(del);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5336 }
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parents: 59538
diff changeset
5337
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5338 /* Restore the saved exception. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5339 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
5340
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5341 /* 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
5342 * cause a recursive call.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5343 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5344 assert(self->ob_refcnt > 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5345 if (--self->ob_refcnt == 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5346 return; /* this is the normal path out */
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parents: 59538
diff changeset
5347
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5348 /* __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
5349 * never happened.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5350 */
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parents: 59538
diff changeset
5351 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5352 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
5353 _Py_NewReference(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5354 self->ob_refcnt = refcnt;
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parents: 59538
diff changeset
5355 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5356 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
5357 _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
5358 /* If Py_REF_DEBUG, _Py_NewReference bumped _Py_RefTotal, so
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5359 * we need to undo that. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5360 _Py_DEC_REFTOTAL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5361 /* 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
5362 * chain, so no more to do there.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5363 * If COUNT_ALLOCS, the original decref bumped tp_frees, and
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5364 * _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
5365 * undone.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5366 */
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5367 #ifdef COUNT_ALLOCS
61466
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diff changeset
5368 --Py_TYPE(self)->tp_frees;
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parents: 59538
diff changeset
5369 --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
5370 #endif
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5371 }
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5372
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5373
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5374 /* 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
5375 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
5376 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
5377 sequences and mappings.
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5378 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
5379 __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
5380 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
5381 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
5382 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
5383
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5384 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
5385
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5386 #undef TPSLOT
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5387 #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
5388 #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
5389 #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
5390 #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
5391 #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
5392 #undef UNSLOT
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5393 #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
5394 #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
5395 #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
5396
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5397 #define TPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5398 {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
5399 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
5400 #define FLSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC, FLAGS) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5401 {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
5402 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
5403 #define ETSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5404 {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
5405 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
5406 #define SQSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5407 ETSLOT(NAME, as_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
5408 #define MPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5409 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
5410 #define NBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5411 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
5412 #define UNSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5413 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
5414 "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
5415 #define IBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5416 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
5417 "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
5418 #define BINSLOT(NAME, SLOT, FUNCTION, DOC) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5419 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
5420 "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
5421 #define RBINSLOT(NAME, SLOT, FUNCTION, DOC) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5422 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
5423 "x." NAME "(y) <==> y" DOC "x")
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5424 #define BINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5425 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
5426 "x." NAME "(y) <==> " DOC)
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5427 #define RBINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5428 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
5429 "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
5430
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5431 static slotdef slotdefs[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5432 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
5433 "x.__len__() <==> len(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5434 /* 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
5435 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
5436 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
5437 user-defined methods has unexpected side-effects, as shown by
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5438 test_descr.notimplemented() */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5439 SQSLOT("__add__", sq_concat, NULL, wrap_binaryfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5440 "x.__add__(y) <==> x+y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5441 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
5442 "x.__mul__(n) <==> x*n"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5443 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
5444 "x.__rmul__(n) <==> n*x"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5445 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
5446 "x.__getitem__(y) <==> x[y]"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5447 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
5448 "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
5449 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
5450 "x.__delitem__(y) <==> del x[y]"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5451 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
5452 "x.__contains__(y) <==> y in x"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5453 SQSLOT("__iadd__", sq_inplace_concat, NULL,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5454 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
5455 SQSLOT("__imul__", sq_inplace_repeat, NULL,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5456 wrap_indexargfunc, "x.__imul__(y) <==> x*=y"),
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5457
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5458 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
5459 "x.__len__() <==> len(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5460 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
5461 wrap_binaryfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5462 "x.__getitem__(y) <==> x[y]"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5463 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
5464 wrap_objobjargproc,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5465 "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
5466 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
5467 wrap_delitem,
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parents: 59538
diff changeset
5468 "x.__delitem__(y) <==> del x[y]"),
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parents: 59538
diff changeset
5469
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parents: 59538
diff changeset
5470 BINSLOT("__add__", nb_add, slot_nb_add,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5471 "+"),
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parents: 59538
diff changeset
5472 RBINSLOT("__radd__", nb_add, slot_nb_add,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5473 "+"),
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parents: 59538
diff changeset
5474 BINSLOT("__sub__", nb_subtract, slot_nb_subtract,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5475 "-"),
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parents: 59538
diff changeset
5476 RBINSLOT("__rsub__", nb_subtract, slot_nb_subtract,
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diff changeset
5477 "-"),
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parents: 59538
diff changeset
5478 BINSLOT("__mul__", nb_multiply, slot_nb_multiply,
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parents: 59538
diff changeset
5479 "*"),
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parents: 59538
diff changeset
5480 RBINSLOT("__rmul__", nb_multiply, slot_nb_multiply,
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diff changeset
5481 "*"),
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parents: 59538
diff changeset
5482 BINSLOT("__mod__", nb_remainder, slot_nb_remainder,
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parents: 59538
diff changeset
5483 "%"),
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parents: 59538
diff changeset
5484 RBINSLOT("__rmod__", nb_remainder, slot_nb_remainder,
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diff changeset
5485 "%"),
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diff changeset
5486 BINSLOTNOTINFIX("__divmod__", nb_divmod, slot_nb_divmod,
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diff changeset
5487 "divmod(x, y)"),
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parents: 59538
diff changeset
5488 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
5489 "divmod(y, x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5490 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
5491 "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
5492 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
5493 "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
5494 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
5495 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
5496 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
5497 "abs(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5498 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
5499 "x != 0"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5500 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
5501 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
5502 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
5503 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
5504 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
5505 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
5506 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
5507 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
5508 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
5509 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
5510 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
5511 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
5512 "int(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5513 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
5514 "float(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5515 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
5516 "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
5517 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
5518 wrap_binaryfunc, "+"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5519 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
5520 wrap_binaryfunc, "-"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5521 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
5522 wrap_binaryfunc, "*"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5523 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
5524 wrap_binaryfunc, "%"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5525 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
5526 wrap_binaryfunc, "**"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5527 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
5528 wrap_binaryfunc, "<<"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5529 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
5530 wrap_binaryfunc, ">>"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5531 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
5532 wrap_binaryfunc, "&"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5533 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
5534 wrap_binaryfunc, "^"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5535 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
5536 wrap_binaryfunc, "|"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5537 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
5538 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
5539 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
5540 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
5541 IBSLOT("__ifloordiv__", nb_inplace_floor_divide,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5542 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
5543 IBSLOT("__itruediv__", nb_inplace_true_divide,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5544 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
5545
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5546 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
5547 "x.__str__() <==> str(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5548 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
5549 "x.__repr__() <==> repr(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5550 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
5551 "x.__hash__() <==> hash(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5552 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
5553 "x.__call__(...) <==> x(...)", PyWrapperFlag_KEYWORDS),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5554 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
5555 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
5556 TPSLOT("__getattribute__", tp_getattr, NULL, NULL, ""),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5557 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
5558 TPSLOT("__getattr__", tp_getattr, NULL, NULL, ""),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5559 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
5560 "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
5561 TPSLOT("__setattr__", tp_setattr, NULL, NULL, ""),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5562 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
5563 "x.__delattr__('name') <==> del x.name"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5564 TPSLOT("__delattr__", tp_setattr, NULL, NULL, ""),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5565 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
5566 "x.__lt__(y) <==> x<y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5567 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
5568 "x.__le__(y) <==> x<=y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5569 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
5570 "x.__eq__(y) <==> x==y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5571 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
5572 "x.__ne__(y) <==> x!=y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5573 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
5574 "x.__gt__(y) <==> x>y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5575 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
5576 "x.__ge__(y) <==> x>=y"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5577 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
5578 "x.__iter__() <==> iter(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5579 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
5580 "x.__next__() <==> next(x)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5581 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
5582 "descr.__get__(obj[, type]) -> value"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5583 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
5584 "descr.__set__(obj, value)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5585 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
5586 wrap_descr_delete, "descr.__delete__(obj)"),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5587 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
5588 "x.__init__(...) initializes x; "
64076
e3df34544db9 Issue #8983: Corrected docstrings.
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 63949
diff changeset
5589 "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
5590 PyWrapperFlag_KEYWORDS),
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5591 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
5592 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
5593 {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
5594 };
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5595
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5596 /* 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
5597 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
5598 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
5599 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
5600 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
5601 static void **
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5602 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
5603 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5604 char *ptr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5605 long offset = ioffset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5606
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5607 /* 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
5608 assert(offset >= 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5609 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
5610 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
5611 ptr = (char *)type->tp_as_sequence;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5612 offset -= offsetof(PyHeapTypeObject, as_sequence);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5613 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5614 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
5615 ptr = (char *)type->tp_as_mapping;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5616 offset -= offsetof(PyHeapTypeObject, as_mapping);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5617 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5618 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
5619 ptr = (char *)type->tp_as_number;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5620 offset -= offsetof(PyHeapTypeObject, as_number);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5621 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5622 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5623 ptr = (char *)type;
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 ptr += offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5627 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
5628 }
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
5629
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5630 /* 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
5631 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
5632 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
5633 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
5634 #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
5635
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5636 /* 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
5637 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
5638 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
5639 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
5640 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5641 /* XXX Maybe this could be optimized more -- but is it worth it? */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5642
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5643 /* 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
5644 static PyObject *pname;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5645 static slotdef *ptrs[MAX_EQUIV];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5646 slotdef *p, **pp;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5647 void **res, **ptr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5648
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5649 if (pname != name) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5650 /* 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
5651 pname = name;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5652 pp = ptrs;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5653 for (p = slotdefs; p->name_strobj; p++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5654 if (p->name_strobj == name)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5655 *pp++ = p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5656 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5657 *pp = NULL;
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
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5660 /* 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
5661 a filled-in slot, return its value. Otherwise return NULL. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5662 res = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5663 for (pp = ptrs; *pp; pp++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5664 ptr = slotptr(type, (*pp)->offset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5665 if (ptr == NULL || *ptr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5666 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5667 if (res != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5668 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5669 res = ptr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5670 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5671 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
5672 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5673
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5674 /* 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
5675 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
5676 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
5677 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
5678 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
5679 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
5680 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
5681 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
5682 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5683 PyObject *descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5684 PyWrapperDescrObject *d;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5685 void *generic = NULL, *specific = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5686 int use_generic = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5687 int offset = p->offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5688 void **ptr = slotptr(type, offset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5689
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5690 if (ptr == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5691 do {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5692 ++p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5693 } while (p->offset == offset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5694 return p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5695 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5696 do {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5697 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
5698 if (descr == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5699 if (ptr == (void**)&type->tp_iternext) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5700 specific = _PyObject_NextNotImplemented;
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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 continue;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5703 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5704 if (Py_TYPE(descr) == &PyWrapperDescr_Type) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5705 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
5706 if (tptr == NULL || tptr == ptr)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5707 generic = p->function;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5708 d = (PyWrapperDescrObject *)descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5709 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
5710 PyType_IsSubtype(type, PyDescr_TYPE(d)))
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5711 {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5712 if (specific == NULL ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5713 specific == d->d_wrapped)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5714 specific = d->d_wrapped;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5715 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5716 use_generic = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5717 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5718 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5719 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
5720 PyCFunction_GET_FUNCTION(descr) ==
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5721 (PyCFunction)tp_new_wrapper &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5722 ptr == (void**)&type->tp_new)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5723 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5724 /* 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
5725 so must be special-cased differently.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5726 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
5727 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
5728 __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
5729 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
5730 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
5731 PyType_GenericNew), after performing various
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5732 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
5733 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
5734 up instance creation tremendously. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5735 specific = (void *)type->tp_new;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5736 /* 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
5737 in this reasoning that requires additional
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5738 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
5739 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
5740 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5741 else if (descr == Py_None &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5742 ptr == (void**)&type->tp_hash) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5743 /* 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
5744 to prevent inheritance of the default
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5745 implementation from object.__hash__ */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5746 specific = PyObject_HashNotImplemented;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5747 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5748 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5749 use_generic = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5750 generic = p->function;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5751 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5752 } while ((++p)->offset == offset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5753 if (specific && !use_generic)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5754 *ptr = specific;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5755 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5756 *ptr = generic;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5757 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
5758 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5759
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5760 /* 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
5761 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
5762 static int
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5763 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
5764 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5765 slotdef **pp = (slotdef **)data;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5766
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5767 for (; *pp; pp++)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5768 update_one_slot(type, *pp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5769 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
5770 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5771
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5772 /* 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
5773 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
5774 static int
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5775 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
5776 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5777 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
5778 int c = a->offset - b->offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5779 if (c != 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5780 return c;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5781 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5782 /* 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
5783 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
5784 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
5785 }
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5786
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5787 /* 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
5788 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
5789 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
5790 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
5791 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5792 slotdef *p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5793 static int initialized = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5794
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5795 if (initialized)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5796 return;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5797 for (p = slotdefs; p->name; p++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5798 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
5799 if (!p->name_strobj)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5800 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
5801 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5802 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
5803 slotdef_cmp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5804 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
5805 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5806
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5807 /* 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
5808 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
5809 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
5810 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5811 slotdef *ptrs[MAX_EQUIV];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5812 slotdef *p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5813 slotdef **pp;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5814 int offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5815
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5816 /* 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
5817 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
5818 update_subclasses() recursion below, but carefully:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5819 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
5820 recursing into subclasses. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5821 PyType_Modified(type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5822
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5823 init_slotdefs();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5824 pp = ptrs;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5825 for (p = slotdefs; p->name; p++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5826 /* XXX assume name is interned! */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5827 if (p->name_strobj == name)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5828 *pp++ = p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5829 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5830 *pp = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5831 for (pp = ptrs; *pp; pp++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5832 p = *pp;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5833 offset = p->offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5834 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
5835 --p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5836 *pp = p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5837 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5838 if (ptrs[0] == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5839 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
5840 return update_subclasses(type, name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5841 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
5842 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5843
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5844 /* 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
5845 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
5846 dict. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5847 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
5848 fixup_slot_dispatchers(PyTypeObject *type)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5849 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5850 slotdef *p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5851
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5852 init_slotdefs();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5853 for (p = slotdefs; p->name; )
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5854 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
5855 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5856
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5857 static void
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5858 update_all_slots(PyTypeObject* type)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5859 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5860 slotdef *p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5861
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5862 init_slotdefs();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5863 for (p = slotdefs; p->name; p++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5864 /* 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
5865 update_slot(type, p->name_strobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5866 }
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5867 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5868
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5869 /* 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
5870 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
5871 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
5872
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5873 static int
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5874 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
5875 update_callback callback, void *data)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5876 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5877 if (callback(type, data) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5878 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5879 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
5880 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5881
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5882 static int
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5883 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
5884 update_callback callback, void *data)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5885 {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5886 PyTypeObject *subclass;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5887 PyObject *ref, *subclasses, *dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5888 Py_ssize_t i, n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5889
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5890 subclasses = type->tp_subclasses;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5891 if (subclasses == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5892 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5893 assert(PyList_Check(subclasses));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5894 n = PyList_GET_SIZE(subclasses);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5895 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5896 ref = PyList_GET_ITEM(subclasses, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5897 assert(PyWeakref_CheckRef(ref));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5898 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5899 assert(subclass != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5900 if ((PyObject *)subclass == Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5901 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5902 assert(PyType_Check(subclass));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5903 /* Avoid recursing down into unaffected classes */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5904 dict = subclass->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5905 if (dict != NULL && PyDict_Check(dict) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5906 PyDict_GetItem(dict, name) != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5907 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5908 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
5909 return -1;
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 return 0;
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5912 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5913
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5914 /* 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
5915 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
5916 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
5917 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
5918 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
5919 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
5920 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
5921 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
5922 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
5923
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5924 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
5925 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
5926 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
5927 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
5928 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
5929 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
5930 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
5931 wins.
23830
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
5932
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
5933 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
5934 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
5935 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
5936 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
5937 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
5938 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
5939 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
5940 (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
5941 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
5942 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
5943
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5944 static int
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5945 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
5946 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5947 PyObject *dict = type->tp_dict;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5948 slotdef *p;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5949 PyObject *descr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5950 void **ptr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5951
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5952 init_slotdefs();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5953 for (p = slotdefs; p->name; p++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5954 if (p->wrapper == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5955 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5956 ptr = slotptr(type, p->offset);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5957 if (!ptr || !*ptr)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5958 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5959 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
5960 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5961 if (*ptr == PyObject_HashNotImplemented) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5962 /* 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
5963 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
5964 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
5965 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
5966 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5967 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5968 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5969 descr = PyDescr_NewWrapper(type, p, *ptr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5970 if (descr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5971 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5972 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
5973 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5974 Py_DECREF(descr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5975 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5976 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5977 if (type->tp_new != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5978 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
5979 return -1;
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 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
5982 }
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5983
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5984
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5985 /* Cooperative 'super' */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5986
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5987 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5988 PyObject_HEAD
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parents: 59538
diff changeset
5989 PyTypeObject *type;
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parents: 59538
diff changeset
5990 PyObject *obj;
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diff changeset
5991 PyTypeObject *obj_type;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5992 } superobject;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5993
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
5994 static PyMemberDef super_members[] = {
61466
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diff changeset
5995 {"__thisclass__", T_OBJECT, offsetof(superobject, type), READONLY,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
5996 "the class invoking super()"},
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diff changeset
5997 {"__self__", T_OBJECT, offsetof(superobject, obj), READONLY,
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parents: 59538
diff changeset
5998 "the instance invoking super(); may be None"},
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parents: 59538
diff changeset
5999 {"__self_class__", T_OBJECT, offsetof(superobject, obj_type), READONLY,
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diff changeset
6000 "the type of the instance invoking super(); may be None"},
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diff changeset
6001 {0}
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6002 };
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6003
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6004 static void
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6005 super_dealloc(PyObject *self)
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6006 {
61466
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diff changeset
6007 superobject *su = (superobject *)self;
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diff changeset
6008
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diff changeset
6009 _PyObject_GC_UNTRACK(self);
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diff changeset
6010 Py_XDECREF(su->obj);
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diff changeset
6011 Py_XDECREF(su->type);
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diff changeset
6012 Py_XDECREF(su->obj_type);
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diff changeset
6013 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
6014 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6015
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6016 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
6017 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
6018 {
61466
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diff changeset
6019 superobject *su = (superobject *)self;
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diff changeset
6020
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diff changeset
6021 if (su->obj_type)
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parents: 59538
diff changeset
6022 return PyUnicode_FromFormat(
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diff changeset
6023 "<super: <class '%s'>, <%s object>>",
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diff changeset
6024 su->type ? su->type->tp_name : "NULL",
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parents: 59538
diff changeset
6025 su->obj_type->tp_name);
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parents: 59538
diff changeset
6026 else
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parents: 59538
diff changeset
6027 return PyUnicode_FromFormat(
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diff changeset
6028 "<super: <class '%s'>, NULL>",
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diff changeset
6029 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
6030 }
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6031
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6032 static PyObject *
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6033 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
6034 {
61466
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diff changeset
6035 superobject *su = (superobject *)self;
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parents: 59538
diff changeset
6036 int skip = su->obj_type == NULL;
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diff changeset
6037
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diff changeset
6038 if (!skip) {
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parents: 59538
diff changeset
6039 /* We want __class__ to return the class of the super object
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parents: 59538
diff changeset
6040 (i.e. super, or a subclass), not the class of su->obj. */
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diff changeset
6041 skip = (PyUnicode_Check(name) &&
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diff changeset
6042 PyUnicode_GET_SIZE(name) == 9 &&
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diff changeset
6043 PyUnicode_CompareWithASCIIString(name, "__class__") == 0);
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parents: 59538
diff changeset
6044 }
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diff changeset
6045
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diff changeset
6046 if (!skip) {
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parents: 59538
diff changeset
6047 PyObject *mro, *res, *tmp, *dict;
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parents: 59538
diff changeset
6048 PyTypeObject *starttype;
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parents: 59538
diff changeset
6049 descrgetfunc f;
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parents: 59538
diff changeset
6050 Py_ssize_t i, n;
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diff changeset
6051
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parents: 59538
diff changeset
6052 starttype = su->obj_type;
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parents: 59538
diff changeset
6053 mro = starttype->tp_mro;
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parents: 59538
diff changeset
6054
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parents: 59538
diff changeset
6055 if (mro == NULL)
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parents: 59538
diff changeset
6056 n = 0;
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parents: 59538
diff changeset
6057 else {
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parents: 59538
diff changeset
6058 assert(PyTuple_Check(mro));
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parents: 59538
diff changeset
6059 n = PyTuple_GET_SIZE(mro);
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parents: 59538
diff changeset
6060 }
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parents: 59538
diff changeset
6061 for (i = 0; i < n; i++) {
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parents: 59538
diff changeset
6062 if ((PyObject *)(su->type) == PyTuple_GET_ITEM(mro, i))
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diff changeset
6063 break;
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parents: 59538
diff changeset
6064 }
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diff changeset
6065 i++;
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parents: 59538
diff changeset
6066 res = NULL;
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parents: 59538
diff changeset
6067 for (; i < n; i++) {
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diff changeset
6068 tmp = PyTuple_GET_ITEM(mro, i);
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parents: 59538
diff changeset
6069 if (PyType_Check(tmp))
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parents: 59538
diff changeset
6070 dict = ((PyTypeObject *)tmp)->tp_dict;
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diff changeset
6071 else
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parents: 59538
diff changeset
6072 continue;
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parents: 59538
diff changeset
6073 res = PyDict_GetItem(dict, name);
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parents: 59538
diff changeset
6074 if (res != NULL) {
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parents: 59538
diff changeset
6075 Py_INCREF(res);
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parents: 59538
diff changeset
6076 f = Py_TYPE(res)->tp_descr_get;
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parents: 59538
diff changeset
6077 if (f != NULL) {
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parents: 59538
diff changeset
6078 tmp = f(res,
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parents: 59538
diff changeset
6079 /* Only pass 'obj' param if
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parents: 59538
diff changeset
6080 this is instance-mode super
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diff changeset
6081 (See SF ID #743627)
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diff changeset
6082 */
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diff changeset
6083 (su->obj == (PyObject *)
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diff changeset
6084 su->obj_type
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diff changeset
6085 ? (PyObject *)NULL
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diff changeset
6086 : su->obj),
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diff changeset
6087 (PyObject *)starttype);
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diff changeset
6088 Py_DECREF(res);
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diff changeset
6089 res = tmp;
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diff changeset
6090 }
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diff changeset
6091 return res;
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diff changeset
6092 }
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diff changeset
6093 }
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diff changeset
6094 }
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diff changeset
6095 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
6096 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6097
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6098 static PyTypeObject *
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6099 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
6100 {
61466
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diff changeset
6101 /* Check that a super() call makes sense. Return a type object.
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diff changeset
6102
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diff changeset
6103 obj can be a new-style class, or an instance of one:
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diff changeset
6104
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diff changeset
6105 - If it is a class, it must be a subclass of 'type'. This case is
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
6106 used for class methods; the return value is obj.
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diff changeset
6107
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diff changeset
6108 - If it is an instance, it must be an instance of 'type'. This is
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
6109 the normal case; the return value is obj.__class__.
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diff changeset
6110
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diff changeset
6111 But... when obj is an instance, we want to allow for the case where
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diff changeset
6112 Py_TYPE(obj) is not a subclass of type, but obj.__class__ is!
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diff changeset
6113 This will allow using super() with a proxy for obj.
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diff changeset
6114 */
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diff changeset
6115
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diff changeset
6116 /* Check for first bullet above (special case) */
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diff changeset
6117 if (PyType_Check(obj) && PyType_IsSubtype((PyTypeObject *)obj, type)) {
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diff changeset
6118 Py_INCREF(obj);
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diff changeset
6119 return (PyTypeObject *)obj;
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diff changeset
6120 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6121
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6122 /* Normal case */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6123 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
6124 Py_INCREF(Py_TYPE(obj));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6125 return Py_TYPE(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6126 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6127 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6128 /* Try the slow way */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6129 static PyObject *class_str = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6130 PyObject *class_attr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6131
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6132 if (class_str == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6133 class_str = PyUnicode_FromString("__class__");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6134 if (class_str == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6135 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6136 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6137
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6138 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
6139
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6140 if (class_attr != NULL &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6141 PyType_Check(class_attr) &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6142 (PyTypeObject *)class_attr != Py_TYPE(obj))
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 int ok = PyType_IsSubtype(
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6145 (PyTypeObject *)class_attr, type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6146 if (ok)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6147 return (PyTypeObject *)class_attr;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6148 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6149
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6150 if (class_attr == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6151 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6152 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6153 Py_DECREF(class_attr);
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
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6156 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6157 "super(type, obj): "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6158 "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
6159 return NULL;
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6160 }
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6161
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6162 static PyObject *
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6163 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
6164 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6165 superobject *su = (superobject *)self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6166 superobject *newobj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6167
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6168 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
6169 /* 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
6170 Py_INCREF(self);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6171 return self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6172 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6173 if (Py_TYPE(su) != &PySuper_Type)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6174 /* 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
6175 call its type */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6176 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
6177 su->type, obj, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6178 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6179 /* Inline the common case */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6180 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
6181 if (obj_type == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6182 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6183 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
6184 NULL, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6185 if (newobj == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6186 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6187 Py_INCREF(su->type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6188 Py_INCREF(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6189 newobj->type = su->type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6190 newobj->obj = obj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6191 newobj->obj_type = obj_type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6192 return (PyObject *)newobj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6193 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6194 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6195
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6196 static int
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6197 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
6198 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6199 superobject *su = (superobject *)self;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6200 PyTypeObject *type = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6201 PyObject *obj = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6202 PyTypeObject *obj_type = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6203
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6204 if (!_PyArg_NoKeywords("super", kwds))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6205 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6206 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
6207 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6208
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6209 if (type == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6210 /* 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
6211 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
6212 PyFrameObject *f = PyThreadState_GET()->frame;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6213 PyCodeObject *co = f->f_code;
67347
3bf4d9f1660a Issue #9566: use Py_ssize_t instead of int
Victor Stinner <victor.stinner@haypocalc.com>
parents: 66664
diff changeset
6214 Py_ssize_t i, n;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6215 if (co == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6216 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6217 "super(): no code object");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6218 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6219 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6220 if (co->co_argcount == 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6221 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6222 "super(): no arguments");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6223 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6224 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6225 obj = f->f_localsplus[0];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6226 if (obj == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6227 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6228 "super(): arg[0] deleted");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6229 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6230 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6231 if (co->co_freevars == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6232 n = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6233 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6234 assert(PyTuple_Check(co->co_freevars));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6235 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
6236 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6237 for (i = 0; i < n; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6238 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
6239 assert(PyUnicode_Check(name));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6240 if (!PyUnicode_CompareWithASCIIString(name,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6241 "__class__")) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6242 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
6243 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
6244 PyObject *cell = f->f_localsplus[index];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6245 if (cell == NULL || !PyCell_Check(cell)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6246 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6247 "super(): bad __class__ cell");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6248 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6249 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6250 type = (PyTypeObject *) PyCell_GET(cell);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6251 if (type == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6252 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6253 "super(): empty __class__ cell");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6254 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6255 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6256 if (!PyType_Check(type)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6257 PyErr_Format(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6258 "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
6259 Py_TYPE(type)->tp_name);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6260 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6261 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6262 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6263 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6264 }
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6265 if (type == NULL) {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6266 PyErr_SetString(PyExc_SystemError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6267 "super(): __class__ cell not found");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6268 return -1;
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6269 }
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6270 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6271
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6272 if (obj == Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6273 obj = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6274 if (obj != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6275 obj_type = supercheck(type, obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6276 if (obj_type == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6277 return -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6278 Py_INCREF(obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6279 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6280 Py_INCREF(type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6281 su->type = type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6282 su->obj = obj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6283 su->obj_type = obj_type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6284 return 0;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6285 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6286
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23830
diff changeset
6287 PyDoc_STRVAR(super_doc,
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6288 "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
6289 "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
6290 "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
6291 "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
6292 "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
6293 "class C(B):\n"
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6294 " def meth(self, arg):\n"
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6295 " super().meth(arg)\n"
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6296 "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
6297 "class C(B):\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6298 " @classmethod\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6299 " def cmeth(cls, arg):\n"
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6300 " 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
6301
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6302 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
6303 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
6304 {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6305 superobject *su = (superobject *)self;
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parents: 59538
diff changeset
6306
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6307 Py_VISIT(su->obj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6308 Py_VISIT(su->type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6309 Py_VISIT(su->obj_type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6310
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6311 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
6312 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6313
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6314 PyTypeObject PySuper_Type = {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6315 PyVarObject_HEAD_INIT(&PyType_Type, 0)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6316 "super", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6317 sizeof(superobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6318 0, /* tp_itemsize */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6319 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6320 super_dealloc, /* tp_dealloc */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6321 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6322 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6323 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6324 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6325 super_repr, /* tp_repr */
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parents: 59538
diff changeset
6326 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6327 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6328 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6329 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6330 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6331 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6332 super_getattro, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6333 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6334 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6335 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6336 Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6337 super_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6338 super_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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parents: 59538
diff changeset
6339 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6340 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6341 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6342 0, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6343 0, /* tp_iternext */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6344 0, /* tp_methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6345 super_members, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6346 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6347 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6348 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6349 super_descr_get, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6350 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6351 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6352 super_init, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6353 PyType_GenericAlloc, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6354 PyType_GenericNew, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
6355 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
6356 };