Mercurial > cpython-lru_cache-weakref

annotate Objects/typeobject.c @ 75978:04c19ac9734a 3.2

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#14416: add missing LOG_SYSLOG facility to syslog docs.
author R David Murray <rdmurray@bitdance.com>
date Thu, 29 Mar 2012 06:47:35 -0400
parents b7bad204b34f
children 5bb0acb69921 e44591015cf0
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6
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1 /* Type object implementation */
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2
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3 #include "Python.h"
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4 #include "frameobject.h"
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5 #include "structmember.h"
6
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6
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7 #include <ctype.h>
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8
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9
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10 /* Support type attribute cache */
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11
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12 /* The cache can keep references to the names alive for longer than
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13 they normally would. This is why the maximum size is limited to
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14 MCACHE_MAX_ATTR_SIZE, since it might be a problem if very large
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15 strings are used as attribute names. */
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16 #define MCACHE_MAX_ATTR_SIZE 100
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17 #define MCACHE_SIZE_EXP 10
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18 #define MCACHE_HASH(version, name_hash) \
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19 (((unsigned int)(version) * (unsigned int)(name_hash)) \
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20 >> (8*sizeof(unsigned int) - MCACHE_SIZE_EXP))
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21 #define MCACHE_HASH_METHOD(type, name) \
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22 MCACHE_HASH((type)->tp_version_tag, \
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23 ((PyUnicodeObject *)(name))->hash)
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24 #define MCACHE_CACHEABLE_NAME(name) \
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25 PyUnicode_CheckExact(name) && \
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26 PyUnicode_GET_SIZE(name) <= MCACHE_MAX_ATTR_SIZE
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27
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28 struct method_cache_entry {
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29 unsigned int version;
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30 PyObject *name; /* reference to exactly a str or None */
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31 PyObject *value; /* borrowed */
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32 };
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33
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34 static struct method_cache_entry method_cache[1 << MCACHE_SIZE_EXP];
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35 static unsigned int next_version_tag = 0;
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36
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37 unsigned int
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38 PyType_ClearCache(void)
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39 {
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40 Py_ssize_t i;
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41 unsigned int cur_version_tag = next_version_tag - 1;
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42
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43 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) {
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44 method_cache[i].version = 0;
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45 Py_CLEAR(method_cache[i].name);
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46 method_cache[i].value = NULL;
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47 }
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48 next_version_tag = 0;
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49 /* mark all version tags as invalid */
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50 PyType_Modified(&PyBaseObject_Type);
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51 return cur_version_tag;
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52 }
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53
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54 void
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55 PyType_Modified(PyTypeObject *type)
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56 {
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57 /* Invalidate any cached data for the specified type and all
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58 subclasses. This function is called after the base
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59 classes, mro, or attributes of the type are altered.
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60
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61 Invariants:
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62
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63 - Py_TPFLAGS_VALID_VERSION_TAG is never set if
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64 Py_TPFLAGS_HAVE_VERSION_TAG is not set (e.g. on type
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65 objects coming from non-recompiled extension modules)
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66
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67 - before Py_TPFLAGS_VALID_VERSION_TAG can be set on a type,
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68 it must first be set on all super types.
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69
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70 This function clears the Py_TPFLAGS_VALID_VERSION_TAG of a
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71 type (so it must first clear it on all subclasses). The
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72 tp_version_tag value is meaningless unless this flag is set.
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73 We don't assign new version tags eagerly, but only as
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74 needed.
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75 */
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76 PyObject *raw, *ref;
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77 Py_ssize_t i, n;
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78
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79 if (!PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG))
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80 return;
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81
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82 raw = type->tp_subclasses;
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83 if (raw != NULL) {
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84 n = PyList_GET_SIZE(raw);
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85 for (i = 0; i < n; i++) {
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86 ref = PyList_GET_ITEM(raw, i);
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87 ref = PyWeakref_GET_OBJECT(ref);
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88 if (ref != Py_None) {
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89 PyType_Modified((PyTypeObject *)ref);
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90 }
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91 }
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92 }
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93 type->tp_flags &= ~Py_TPFLAGS_VALID_VERSION_TAG;
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94 }
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95
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96 static void
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97 type_mro_modified(PyTypeObject *type, PyObject *bases) {
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98 /*
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99 Check that all base classes or elements of the mro of type are
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100 able to be cached. This function is called after the base
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101 classes or mro of the type are altered.
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102
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103 Unset HAVE_VERSION_TAG and VALID_VERSION_TAG if the type
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104 inherits from an old-style class, either directly or if it
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105 appears in the MRO of a new-style class. No support either for
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106 custom MROs that include types that are not officially super
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107 types.
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108
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109 Called from mro_internal, which will subsequently be called on
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110 each subclass when their mro is recursively updated.
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111 */
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112 Py_ssize_t i, n;
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113 int clear = 0;
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114
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115 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG))
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116 return;
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117
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118 n = PyTuple_GET_SIZE(bases);
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119 for (i = 0; i < n; i++) {
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120 PyObject *b = PyTuple_GET_ITEM(bases, i);
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121 PyTypeObject *cls;
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122
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123 if (!PyType_Check(b) ) {
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124 clear = 1;
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125 break;
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126 }
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127
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128 cls = (PyTypeObject *)b;
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129
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130 if (!PyType_HasFeature(cls, Py_TPFLAGS_HAVE_VERSION_TAG) ||
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131 !PyType_IsSubtype(type, cls)) {
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132 clear = 1;
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133 break;
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134 }
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135 }
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136
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137 if (clear)
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138 type->tp_flags &= ~(Py_TPFLAGS_HAVE_VERSION_TAG|
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139 Py_TPFLAGS_VALID_VERSION_TAG);
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140 }
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141
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142 static int
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143 assign_version_tag(PyTypeObject *type)
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144 {
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145 /* Ensure that the tp_version_tag is valid and set
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146 Py_TPFLAGS_VALID_VERSION_TAG. To respect the invariant, this
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147 must first be done on all super classes. Return 0 if this
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148 cannot be done, 1 if Py_TPFLAGS_VALID_VERSION_TAG.
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149 */
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150 Py_ssize_t i, n;
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151 PyObject *bases;
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152
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153 if (PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG))
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154 return 1;
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155 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG))
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156 return 0;
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157 if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
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158 return 0;
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159
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160 type->tp_version_tag = next_version_tag++;
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161 /* for stress-testing: next_version_tag &= 0xFF; */
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162
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163 if (type->tp_version_tag == 0) {
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164 /* wrap-around or just starting Python - clear the whole
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165 cache by filling names with references to Py_None.
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166 Values are also set to NULL for added protection, as they
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167 are borrowed reference */
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168 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) {
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169 method_cache[i].value = NULL;
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170 Py_XDECREF(method_cache[i].name);
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171 method_cache[i].name = Py_None;
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172 Py_INCREF(Py_None);
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173 }
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174 /* mark all version tags as invalid */
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175 PyType_Modified(&PyBaseObject_Type);
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176 return 1;
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177 }
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178 bases = type->tp_bases;
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179 n = PyTuple_GET_SIZE(bases);
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180 for (i = 0; i < n; i++) {
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181 PyObject *b = PyTuple_GET_ITEM(bases, i);
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182 assert(PyType_Check(b));
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183 if (!assign_version_tag((PyTypeObject *)b))
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184 return 0;
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185 }
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186 type->tp_flags |= Py_TPFLAGS_VALID_VERSION_TAG;
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187 return 1;
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188 }
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189
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190
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191 static PyMemberDef type_members[] = {
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192 {"__basicsize__", T_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
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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
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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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diff changeset
397 n = PyList_GET_SIZE(subclasses);
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diff changeset
398 for (i = 0; i < n; i++) {
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diff changeset
399 ref = PyList_GET_ITEM(subclasses, i);
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diff changeset
400 assert(PyWeakref_CheckRef(ref));
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diff changeset
401 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref);
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diff changeset
402 assert(subclass != NULL);
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diff changeset
403 if ((PyObject *)subclass == Py_None)
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diff changeset
404 continue;
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diff changeset
405 assert(PyType_Check(subclass));
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diff changeset
406 old_mro = subclass->tp_mro;
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diff changeset
407 if (mro_internal(subclass) < 0) {
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diff changeset
408 subclass->tp_mro = old_mro;
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diff changeset
409 return -1;
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410 }
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diff changeset
411 else {
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diff changeset
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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diff changeset
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 {
61467
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430 Py_ssize_t i;
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diff changeset
431 int r = 0;
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diff changeset
432 PyObject *ob, *temp;
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433 PyTypeObject *new_base, *old_base;
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diff changeset
434 PyObject *old_bases, *old_mro;
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diff changeset
435
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diff changeset
436 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
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diff changeset
437 PyErr_Format(PyExc_TypeError,
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diff changeset
438 "can't set %s.__bases__", type->tp_name);
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diff changeset
439 return -1;
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440 }
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441 if (!value) {
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diff changeset
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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diff changeset
446 if (!PyTuple_Check(value)) {
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diff changeset
447 PyErr_Format(PyExc_TypeError,
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diff changeset
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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diff changeset
453 PyErr_Format(PyExc_TypeError,
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diff changeset
454 "can only assign non-empty tuple to %s.__bases__, not ()",
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diff changeset
455 type->tp_name);
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diff changeset
456 return -1;
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diff changeset
457 }
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diff changeset
458 for (i = 0; i < PyTuple_GET_SIZE(value); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
459 ob = PyTuple_GET_ITEM(value, i);
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diff changeset
460 if (!PyType_Check(ob)) {
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diff changeset
461 PyErr_Format(
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462 PyExc_TypeError,
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diff changeset
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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diff changeset
466 }
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diff changeset
467 if (PyType_Check(ob)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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468 if (PyType_IsSubtype((PyTypeObject*)ob, type)) {
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diff changeset
469 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
470 "a __bases__ item causes an inheritance cycle");
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diff changeset
471 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
472 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
473 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
474 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
475
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
476 new_base = best_base(value);
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diff changeset
477
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
478 if (!new_base) {
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diff changeset
479 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
480 }
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diff changeset
481
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
482 if (!compatible_for_assignment(type->tp_base, new_base, "__bases__"))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
483 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
484
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
485 Py_INCREF(new_base);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
486 Py_INCREF(value);
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diff changeset
487
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diff changeset
488 old_bases = type->tp_bases;
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diff changeset
489 old_base = type->tp_base;
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diff changeset
490 old_mro = type->tp_mro;
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diff changeset
491
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diff changeset
492 type->tp_bases = value;
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diff changeset
493 type->tp_base = new_base;
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diff changeset
494
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diff changeset
495 if (mro_internal(type) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
496 goto bail;
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parents: 59858
diff changeset
497 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
498
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diff changeset
499 temp = PyList_New(0);
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parents: 59858
diff changeset
500 if (!temp)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
501 goto bail;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
502
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parents: 59858
diff changeset
503 r = mro_subclasses(type, temp);
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diff changeset
504
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parents: 59858
diff changeset
505 if (r < 0) {
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parents: 59858
diff changeset
506 for (i = 0; i < PyList_Size(temp); i++) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
507 PyTypeObject* cls;
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diff changeset
508 PyObject* mro;
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diff changeset
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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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
512 ob = cls->tp_mro;
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parents: 59858
diff changeset
513 cls->tp_mro = mro;
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parents: 59858
diff changeset
514 Py_DECREF(ob);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
515 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
516 Py_DECREF(temp);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
517 goto bail;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
518 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
519
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diff changeset
520 Py_DECREF(temp);
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parents: 59858
diff changeset
521
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diff changeset
522 /* any base that was in __bases__ but now isn't, we
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
523 need to remove |type| from its tp_subclasses.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
524 conversely, any class now in __bases__ that wasn't
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
525 needs to have |type| added to its subclasses. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
526
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527 /* for now, sod that: just remove from all old_bases,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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528 add to all new_bases */
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diff changeset
529
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diff changeset
530 for (i = PyTuple_GET_SIZE(old_bases) - 1; i >= 0; i--) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
531 ob = PyTuple_GET_ITEM(old_bases, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
532 if (PyType_Check(ob)) {
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parents: 59858
diff changeset
533 remove_subclass(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
534 (PyTypeObject*)ob, type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
535 }
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diff changeset
536 }
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diff changeset
537
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diff changeset
538 for (i = PyTuple_GET_SIZE(value) - 1; i >= 0; i--) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
539 ob = PyTuple_GET_ITEM(value, i);
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parents: 59858
diff changeset
540 if (PyType_Check(ob)) {
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diff changeset
541 if (add_subclass((PyTypeObject*)ob, type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
542 r = -1;
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diff changeset
543 }
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diff changeset
544 }
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diff changeset
545
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parents: 59858
diff changeset
546 update_all_slots(type);
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diff changeset
547
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diff changeset
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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diff changeset
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:
61467
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diff changeset
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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diff changeset
558 Py_DECREF(type->tp_mro);
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diff changeset
559 }
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diff changeset
560
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diff changeset
561 type->tp_bases = old_bases;
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diff changeset
562 type->tp_base = old_base;
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diff changeset
563 type->tp_mro = old_mro;
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diff changeset
564
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diff changeset
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 {
61467
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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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diff changeset
574 }
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diff changeset
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 {
61467
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diff changeset
581 PyObject *result;
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diff changeset
582 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE) && type->tp_doc != NULL)
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diff changeset
583 return PyUnicode_FromString(type->tp_doc);
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diff changeset
584 result = PyDict_GetItemString(type->tp_dict, "__doc__");
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585 if (result == NULL) {
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diff changeset
586 result = Py_None;
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587 Py_INCREF(result);
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diff changeset
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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diff changeset
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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diff changeset
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
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
600 type___instancecheck__(PyObject *type, PyObject *inst)
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diff changeset
601 {
61467
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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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diff changeset
605 case 0:
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606 Py_RETURN_FALSE;
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diff changeset
607 default:
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608 Py_RETURN_TRUE;
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609 }
48875
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
610 }
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
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>
parents: 48660
diff changeset
613 static PyObject *
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
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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
Antoine Pitrou <solipsis@pitrou.net>
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 }
48875
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Antoine Pitrou <solipsis@pitrou.net>
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624 }
d6e86a96f9b3 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48660
diff changeset
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[] = {
61467
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628 {"__name__", (getter)type_name, (setter)type_set_name, NULL},
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diff changeset
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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diff changeset
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>
parents: 18068
diff changeset
639 type_repr(PyTypeObject *type)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
640 {
61467
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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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diff changeset
644 if (mod == NULL)
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diff changeset
645 PyErr_Clear();
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diff changeset
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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diff changeset
649 }
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diff changeset
650 name = type_name(type, NULL);
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diff changeset
651 if (name == NULL)
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diff changeset
652 return NULL;
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diff changeset
653
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654 if (mod != NULL && PyUnicode_CompareWithASCIIString(mod, "builtins"))
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diff changeset
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 {
61467
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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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diff changeset
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 {
61467
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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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diff changeset
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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diff changeset
714 memset(obj, '\0', size);
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diff changeset
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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diff changeset
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 {
61467
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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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diff changeset
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 {
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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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diff changeset
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 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
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diff changeset
758
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
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diff changeset
759 static int
20277
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parents: 20259
diff changeset
760 subtype_traverse(PyObject *self, visitproc visit, void *arg)
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
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parents: 20259
diff changeset
761 {
61467
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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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diff changeset
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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diff changeset
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 }
23666
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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
75482
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833 /* Clear the instance dict (if any), to break cycles involving only
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834 __dict__ slots (as in the case 'self.__dict__ is self'). */
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835 if (type->tp_dictoffset != base->tp_dictoffset) {
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836 PyObject **dictptr = _PyObject_GetDictPtr(self);
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837 if (dictptr && *dictptr)
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838 Py_CLEAR(*dictptr);
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839 }
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840
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841 if (baseclear)
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842 return baseclear(self);
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843 return 0;
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
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844 }
18933
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845
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846 static void
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847 subtype_dealloc(PyObject *self)
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848 {
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849 PyTypeObject *type, *base;
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850 destructor basedealloc;
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851
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852 /* Extract the type; we expect it to be a heap type */
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853 type = Py_TYPE(self);
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854 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
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855
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856 /* Test whether the type has GC exactly once */
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857
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858 if (!PyType_IS_GC(type)) {
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859 /* It's really rare to find a dynamic type that doesn't have
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860 GC; it can only happen when deriving from 'object' and not
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861 adding any slots or instance variables. This allows
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862 certain simplifications: there's no need to call
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863 clear_slots(), or DECREF the dict, or clear weakrefs. */
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864
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865 /* Maybe call finalizer; exit early if resurrected */
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866 if (type->tp_del) {
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867 type->tp_del(self);
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868 if (self->ob_refcnt > 0)
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869 return;
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870 }
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871
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872 /* Find the nearest base with a different tp_dealloc */
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873 base = type;
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874 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
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875 assert(Py_SIZE(base) == 0);
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876 base = base->tp_base;
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877 assert(base);
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878 }
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879
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880 /* Extract the type again; tp_del may have changed it */
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881 type = Py_TYPE(self);
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882
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883 /* Call the base tp_dealloc() */
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884 assert(basedealloc);
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885 basedealloc(self);
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886
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887 /* Can't reference self beyond this point */
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888 Py_DECREF(type);
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889
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890 /* Done */
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891 return;
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892 }
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893
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894 /* We get here only if the type has GC */
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895
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896 /* UnTrack and re-Track around the trashcan macro, alas */
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897 /* See explanation at end of function for full disclosure */
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898 PyObject_GC_UnTrack(self);
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899 ++_PyTrash_delete_nesting;
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900 Py_TRASHCAN_SAFE_BEGIN(self);
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901 --_PyTrash_delete_nesting;
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902 /* DO NOT restore GC tracking at this point. weakref callbacks
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903 * (if any, and whether directly here or indirectly in something we
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904 * call) may trigger GC, and if self is tracked at that point, it
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905 * will look like trash to GC and GC will try to delete self again.
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906 */
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907
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908 /* Find the nearest base with a different tp_dealloc */
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909 base = type;
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910 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
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911 base = base->tp_base;
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912 assert(base);
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913 }
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914
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915 /* If we added a weaklist, we clear it. Do this *before* calling
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916 the finalizer (__del__), clearing slots, or clearing the instance
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917 dict. */
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918
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919 if (type->tp_weaklistoffset && !base->tp_weaklistoffset)
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920 PyObject_ClearWeakRefs(self);
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921
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922 /* Maybe call finalizer; exit early if resurrected */
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923 if (type->tp_del) {
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924 _PyObject_GC_TRACK(self);
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925 type->tp_del(self);
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926 if (self->ob_refcnt > 0)
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927 goto endlabel; /* resurrected */
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928 else
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929 _PyObject_GC_UNTRACK(self);
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930 /* New weakrefs could be created during the finalizer call.
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931 If this occurs, clear them out without calling their
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932 finalizers since they might rely on part of the object
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933 being finalized that has already been destroyed. */
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934 if (type->tp_weaklistoffset && !base->tp_weaklistoffset) {
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935 /* Modeled after GET_WEAKREFS_LISTPTR() */
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936 PyWeakReference **list = (PyWeakReference **) \
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937 PyObject_GET_WEAKREFS_LISTPTR(self);
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938 while (*list)
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939 _PyWeakref_ClearRef(*list);
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940 }
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941 }
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942
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943 /* Clear slots up to the nearest base with a different tp_dealloc */
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944 base = type;
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945 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
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946 if (Py_SIZE(base))
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947 clear_slots(base, self);
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948 base = base->tp_base;
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949 assert(base);
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950 }
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951
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952 /* If we added a dict, DECREF it */
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953 if (type->tp_dictoffset && !base->tp_dictoffset) {
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954 PyObject **dictptr = _PyObject_GetDictPtr(self);
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955 if (dictptr != NULL) {
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956 PyObject *dict = *dictptr;
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957 if (dict != NULL) {
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958 Py_DECREF(dict);
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959 *dictptr = NULL;
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960 }
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961 }
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962 }
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963
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964 /* Extract the type again; tp_del may have changed it */
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965 type = Py_TYPE(self);
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966
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967 /* Call the base tp_dealloc(); first retrack self if
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968 * basedealloc knows about gc.
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969 */
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970 if (PyType_IS_GC(base))
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971 _PyObject_GC_TRACK(self);
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972 assert(basedealloc);
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973 basedealloc(self);
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974
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975 /* Can't reference self beyond this point */
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976 Py_DECREF(type);
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
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977
24653
1ab27c1770df Fix a subtle bug in the trashcan code I added yesterday to
Guido van Rossum <guido@python.org>
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978 endlabel:
61467
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979 ++_PyTrash_delete_nesting;
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980 Py_TRASHCAN_SAFE_END(self);
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981 --_PyTrash_delete_nesting;
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982
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983 /* Explanation of the weirdness around the trashcan macros:
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984
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985 Q. What do the trashcan macros do?
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986
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987 A. Read the comment titled "Trashcan mechanism" in object.h.
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988 For one, this explains why there must be a call to GC-untrack
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989 before the trashcan begin macro. Without understanding the
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990 trashcan code, the answers to the following questions don't make
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991 sense.
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992
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993 Q. Why do we GC-untrack before the trashcan and then immediately
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994 GC-track again afterward?
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995
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996 A. In the case that the base class is GC-aware, the base class
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997 probably GC-untracks the object. If it does that using the
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998 UNTRACK macro, this will crash when the object is already
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999 untracked. Because we don't know what the base class does, the
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1000 only safe thing is to make sure the object is tracked when we
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1001 call the base class dealloc. But... The trashcan begin macro
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1002 requires that the object is *untracked* before it is called. So
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1003 the dance becomes:
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1004
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1005 GC untrack
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1006 trashcan begin
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1007 GC track
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1008
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1009 Q. Why did the last question say "immediately GC-track again"?
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1010 It's nowhere near immediately.
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1011
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1012 A. Because the code *used* to re-track immediately. Bad Idea.
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1013 self has a refcount of 0, and if gc ever gets its hands on it
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1014 (which can happen if any weakref callback gets invoked), it
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1015 looks like trash to gc too, and gc also tries to delete self
68585
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Ezio Melotti <ezio.melotti@gmail.com>
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1016 then. But we're already deleting self. Double deallocation is
61467
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1017 a subtle disaster.
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1018
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1019 Q. Why the bizarre (net-zero) manipulation of
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1020 _PyTrash_delete_nesting around the trashcan macros?
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1021
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1022 A. Some base classes (e.g. list) also use the trashcan mechanism.
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1023 The following scenario used to be possible:
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1024
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1025 - suppose the trashcan level is one below the trashcan limit
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1026
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1027 - subtype_dealloc() is called
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1028
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1029 - the trashcan limit is not yet reached, so the trashcan level
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1030 is incremented and the code between trashcan begin and end is
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1031 executed
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1032
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1033 - this destroys much of the object's contents, including its
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1034 slots and __dict__
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1035
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1036 - basedealloc() is called; this is really list_dealloc(), or
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1037 some other type which also uses the trashcan macros
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1038
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1039 - the trashcan limit is now reached, so the object is put on the
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1040 trashcan's to-be-deleted-later list
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1041
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1042 - basedealloc() returns
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1043
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1044 - subtype_dealloc() decrefs the object's type
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1045
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1046 - subtype_dealloc() returns
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1047
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1048 - later, the trashcan code starts deleting the objects from its
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1049 to-be-deleted-later list
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1050
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1051 - subtype_dealloc() is called *AGAIN* for the same object
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1052
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1053 - at the very least (if the destroyed slots and __dict__ don't
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1054 cause problems) the object's type gets decref'ed a second
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1055 time, which is *BAD*!!!
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1056
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1057 The remedy is to make sure that if the code between trashcan
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1058 begin and end in subtype_dealloc() is called, the code between
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1059 trashcan begin and end in basedealloc() will also be called.
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1060 This is done by decrementing the level after passing into the
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1061 trashcan block, and incrementing it just before leaving the
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1062 block.
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1063
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1064 But now it's possible that a chain of objects consisting solely
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1065 of objects whose deallocator is subtype_dealloc() will defeat
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1066 the trashcan mechanism completely: the decremented level means
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1067 that the effective level never reaches the limit. Therefore, we
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1068 *increment* the level *before* entering the trashcan block, and
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1069 matchingly decrement it after leaving. This means the trashcan
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1070 code will trigger a little early, but that's no big deal.
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1071
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1072 Q. Are there any live examples of code in need of all this
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1073 complexity?
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1074
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1075 A. Yes. See SF bug 668433 for code that crashed (when Python was
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1076 compiled in debug mode) before the trashcan level manipulations
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1077 were added. For more discussion, see SF patches 581742, 575073
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1078 and bug 574207.
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1079 */
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1080 }
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diff changeset
1081
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1082 static PyTypeObject *solid_base(PyTypeObject *type);
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1083
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1084 /* type test with subclassing support */
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1085
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1086 int
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1087 PyType_IsSubtype(PyTypeObject *a, PyTypeObject *b)
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1088 {
61467
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1089 PyObject *mro;
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1090
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1091 mro = a->tp_mro;
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1092 if (mro != NULL) {
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1093 /* Deal with multiple inheritance without recursion
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1094 by walking the MRO tuple */
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1095 Py_ssize_t i, n;
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1096 assert(PyTuple_Check(mro));
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1097 n = PyTuple_GET_SIZE(mro);
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1098 for (i = 0; i < n; i++) {
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1099 if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
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1100 return 1;
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1101 }
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1102 return 0;
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1103 }
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1104 else {
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1105 /* a is not completely initilized yet; follow tp_base */
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1106 do {
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1107 if (a == b)
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1108 return 1;
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1109 a = a->tp_base;
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1110 } while (a != NULL);
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1111 return b == &PyBaseObject_Type;
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1112 }
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1113 }
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1114
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1115 /* Internal routines to do a method lookup in the type
19535
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1116 without looking in the instance dictionary
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1117 (so we can't use PyObject_GetAttr) but still binding
61467
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1118 it to the instance. The arguments are the object,
19535
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1119 the method name as a C string, and the address of a
19913
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1120 static variable used to cache the interned Python string.
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1121
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1122 Two variants:
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
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1123
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1124 - lookup_maybe() returns NULL without raising an exception
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1125 when the _PyType_Lookup() call fails;
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1126
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1127 - lookup_method() always raises an exception upon errors.
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1128
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1129 - _PyObject_LookupSpecial() exported for the benefit of other places.
19913
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1130 */
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1131
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1132 static PyObject *
19913
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1133 lookup_maybe(PyObject *self, char *attrstr, PyObject **attrobj)
19535
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1134 {
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1135 PyObject *res;
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1136
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1137 if (*attrobj == NULL) {
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1138 *attrobj = PyUnicode_InternFromString(attrstr);
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1139 if (*attrobj == NULL)
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1140 return NULL;
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1141 }
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1142 res = _PyType_Lookup(Py_TYPE(self), *attrobj);
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1143 if (res != NULL) {
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1144 descrgetfunc f;
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1145 if ((f = Py_TYPE(res)->tp_descr_get) == NULL)
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1146 Py_INCREF(res);
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1147 else
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1148 res = f(res, self, (PyObject *)(Py_TYPE(self)));
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1149 }
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1150 return res;
19535
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diff changeset
1151 }
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1152
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1153 static PyObject *
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Guido van Rossum <guido@python.org>
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1154 lookup_method(PyObject *self, char *attrstr, PyObject **attrobj)
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1155 {
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1156 PyObject *res = lookup_maybe(self, attrstr, attrobj);
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1157 if (res == NULL && !PyErr_Occurred())
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1158 PyErr_SetObject(PyExc_AttributeError, *attrobj);
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1159 return res;
19913
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1160 }
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1161
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1162 PyObject *
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1163 _PyObject_LookupSpecial(PyObject *self, char *attrstr, PyObject **attrobj)
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1164 {
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1165 return lookup_maybe(self, attrstr, attrobj);
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1166 }
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1167
19538
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diff changeset
1168 /* A variation of PyObject_CallMethod that uses lookup_method()
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1169 instead of PyObject_GetAttrString(). This uses the same convention
19538
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1170 as lookup_method to cache the interned name string object. */
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diff changeset
1171
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
1172 static PyObject *
19538
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diff changeset
1173 call_method(PyObject *o, char *name, PyObject **nameobj, char *format, ...)
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1174 {
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1175 va_list va;
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1176 PyObject *args, *func = 0, *retval;
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1177 va_start(va, format);
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1178
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1179 func = lookup_maybe(o, name, nameobj);
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1180 if (func == NULL) {
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1181 va_end(va);
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1182 if (!PyErr_Occurred())
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1183 PyErr_SetObject(PyExc_AttributeError, *nameobj);
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1184 return NULL;
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1185 }
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1186
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1187 if (format && *format)
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1188 args = Py_VaBuildValue(format, va);
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1189 else
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diff changeset
1190 args = PyTuple_New(0);
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diff changeset
1191
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diff changeset
1192 va_end(va);
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diff changeset
1193
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diff changeset
1194 if (args == NULL)
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diff changeset
1195 return NULL;
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diff changeset
1196
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parents: 59858
diff changeset
1197 assert(PyTuple_Check(args));
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diff changeset
1198 retval = PyObject_Call(func, args, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1199
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diff changeset
1200 Py_DECREF(args);
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diff changeset
1201 Py_DECREF(func);
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diff changeset
1202
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diff changeset
1203 return retval;
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1204 }
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1205
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1206 /* 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
1207
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
1208 static PyObject *
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1209 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
1210 {
61467
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diff changeset
1211 va_list va;
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parents: 59858
diff changeset
1212 PyObject *args, *func = 0, *retval;
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parents: 59858
diff changeset
1213 va_start(va, format);
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parents: 59858
diff changeset
1214
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parents: 59858
diff changeset
1215 func = lookup_maybe(o, name, nameobj);
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parents: 59858
diff changeset
1216 if (func == NULL) {
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diff changeset
1217 va_end(va);
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parents: 59858
diff changeset
1218 if (!PyErr_Occurred()) {
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parents: 59858
diff changeset
1219 Py_INCREF(Py_NotImplemented);
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diff changeset
1220 return Py_NotImplemented;
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diff changeset
1221 }
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diff changeset
1222 return NULL;
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parents: 59858
diff changeset
1223 }
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parents: 59858
diff changeset
1224
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parents: 59858
diff changeset
1225 if (format && *format)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1226 args = Py_VaBuildValue(format, va);
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parents: 59858
diff changeset
1227 else
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parents: 59858
diff changeset
1228 args = PyTuple_New(0);
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parents: 59858
diff changeset
1229
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parents: 59858
diff changeset
1230 va_end(va);
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parents: 59858
diff changeset
1231
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parents: 59858
diff changeset
1232 if (args == NULL)
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diff changeset
1233 return NULL;
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diff changeset
1234
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diff changeset
1235 assert(PyTuple_Check(args));
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parents: 59858
diff changeset
1236 retval = PyObject_Call(func, args, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1237
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diff changeset
1238 Py_DECREF(args);
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diff changeset
1239 Py_DECREF(func);
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parents: 59858
diff changeset
1240
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diff changeset
1241 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
1242 }
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1243
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1244 /*
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1245 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
1246 "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
1247 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
1248 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
1249 (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
1250
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1251 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
1252
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1253 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
1254 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
1255
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1256 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
1257
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1258 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
1259 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
1260 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
1261
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1262 Monotonicity.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1263 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
1264 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
1265
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1266 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
1267 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
1268 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
1269 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
1270 */
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1271
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1272 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
1273 tail_contains(PyObject *list, int whence, PyObject *o) {
61467
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diff changeset
1274 Py_ssize_t j, size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1275 size = PyList_GET_SIZE(list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1276
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parents: 59858
diff changeset
1277 for (j = whence+1; j < size; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1278 if (PyList_GET_ITEM(list, j) == o)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1279 return 1;
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parents: 59858
diff changeset
1280 }
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diff changeset
1281 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
1282 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1283
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1284 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
1285 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
1286 {
61467
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diff changeset
1287 PyObject *name = PyObject_GetAttrString(cls, "__name__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1288 if (name == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1289 PyErr_Clear();
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parents: 59858
diff changeset
1290 Py_XDECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1291 name = PyObject_Repr(cls);
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parents: 59858
diff changeset
1292 }
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parents: 59858
diff changeset
1293 if (name == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1294 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1295 if (!PyUnicode_Check(name)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1296 Py_DECREF(name);
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parents: 59858
diff changeset
1297 return NULL;
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parents: 59858
diff changeset
1298 }
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diff changeset
1299 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
1300 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1301
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1302 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
1303 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
1304 {
61467
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diff changeset
1305 Py_ssize_t i, j, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1306 /* Let's use a quadratic time algorithm,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1307 assuming that the bases lists is short.
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diff changeset
1308 */
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diff changeset
1309 n = PyList_GET_SIZE(list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1310 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1311 PyObject *o = PyList_GET_ITEM(list, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1312 for (j = i + 1; j < n; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1313 if (PyList_GET_ITEM(list, j) == o) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1314 o = class_name(o);
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parents: 59858
diff changeset
1315 if (o != NULL) {
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parents: 59858
diff changeset
1316 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1317 "duplicate base class %U",
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parents: 59858
diff changeset
1318 o);
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diff changeset
1319 Py_DECREF(o);
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diff changeset
1320 } else {
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diff changeset
1321 PyErr_SetString(PyExc_TypeError,
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parents: 59858
diff changeset
1322 "duplicate base class");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1323 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1324 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1325 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1326 }
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parents: 59858
diff changeset
1327 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1328 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
1329 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1330
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1331 /* 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
1332
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1333 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
1334 insight into error reporting, report the classes that were candidates
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1335 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
1336 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
1337 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
1338 */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1339
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1340 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
1341 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
1342 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1343 Py_ssize_t i, n, off, to_merge_size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1344 char buf[1000];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1345 PyObject *k, *v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1346 PyObject *set = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1347 if (!set) return;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1348
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1349 to_merge_size = PyList_GET_SIZE(to_merge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1350 for (i = 0; i < to_merge_size; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1351 PyObject *L = PyList_GET_ITEM(to_merge, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1352 if (remain[i] < PyList_GET_SIZE(L)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1353 PyObject *c = PyList_GET_ITEM(L, remain[i]);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1354 if (PyDict_SetItem(set, c, Py_None) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1355 Py_DECREF(set);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1356 return;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1357 }
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parents: 59858
diff changeset
1358 }
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parents: 59858
diff changeset
1359 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1360 n = PyDict_Size(set);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1361
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1362 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
1363 consistent method resolution\norder (MRO) for bases");
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1364 i = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1365 while (PyDict_Next(set, &i, &k, &v) && (size_t)off < sizeof(buf)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1366 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
1367 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
1368 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
1369 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
1370 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
1371 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
1372 } else
61722
7dcd1a269797 Ooops, add missing ";" in my previous commit (r81324, typeobject.c)
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61721
diff changeset
1373 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
1374 off += PyOS_snprintf(buf + off, sizeof(buf) - off, " %s", name_str);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1375 Py_XDECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1376 if (--n && (size_t)(off+1) < sizeof(buf)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1377 buf[off++] = ',';
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1378 buf[off] = '\0';
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parents: 59858
diff changeset
1379 }
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parents: 59858
diff changeset
1380 }
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parents: 59858
diff changeset
1381 PyErr_SetString(PyExc_TypeError, buf);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1382 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
1383 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1384
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1385 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
1386 pmerge(PyObject *acc, PyObject* to_merge) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1387 Py_ssize_t i, j, to_merge_size, empty_cnt;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1388 int *remain;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1389 int ok;
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parents: 59858
diff changeset
1390
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1391 to_merge_size = PyList_GET_SIZE(to_merge);
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parents: 59858
diff changeset
1392
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parents: 59858
diff changeset
1393 /* remain stores an index into each sublist of to_merge.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1394 remain[i] is the index of the next base in to_merge[i]
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1395 that is not included in acc.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1396 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1397 remain = (int *)PyMem_MALLOC(SIZEOF_INT*to_merge_size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1398 if (remain == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1399 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1400 for (i = 0; i < to_merge_size; i++)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1401 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
1402
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1403 again:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1404 empty_cnt = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1405 for (i = 0; i < to_merge_size; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1406 PyObject *candidate;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1407
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1408 PyObject *cur_list = PyList_GET_ITEM(to_merge, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1409
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1410 if (remain[i] >= PyList_GET_SIZE(cur_list)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1411 empty_cnt++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1412 continue;
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parents: 59858
diff changeset
1413 }
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parents: 59858
diff changeset
1414
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parents: 59858
diff changeset
1415 /* Choose next candidate for MRO.
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parents: 59858
diff changeset
1416
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1417 The input sequences alone can determine the choice.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1418 If not, choose the class which appears in the MRO
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1419 of the earliest direct superclass of the new class.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1420 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1421
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1422 candidate = PyList_GET_ITEM(cur_list, remain[i]);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1423 for (j = 0; j < to_merge_size; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1424 PyObject *j_lst = PyList_GET_ITEM(to_merge, j);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1425 if (tail_contains(j_lst, remain[j], candidate)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1426 goto skip; /* continue outer loop */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1427 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1428 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1429 ok = PyList_Append(acc, candidate);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1430 if (ok < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1431 PyMem_Free(remain);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1432 return -1;
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parents: 59858
diff changeset
1433 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1434 for (j = 0; j < to_merge_size; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1435 PyObject *j_lst = PyList_GET_ITEM(to_merge, j);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1436 if (remain[j] < PyList_GET_SIZE(j_lst) &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1437 PyList_GET_ITEM(j_lst, remain[j]) == candidate) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1438 remain[j]++;
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parents: 59858
diff changeset
1439 }
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parents: 59858
diff changeset
1440 }
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parents: 59858
diff changeset
1441 goto again;
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parents: 59858
diff changeset
1442 skip: ;
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parents: 59858
diff changeset
1443 }
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parents: 59858
diff changeset
1444
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parents: 59858
diff changeset
1445 if (empty_cnt == to_merge_size) {
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parents: 59858
diff changeset
1446 PyMem_FREE(remain);
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parents: 59858
diff changeset
1447 return 0;
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parents: 59858
diff changeset
1448 }
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diff changeset
1449 set_mro_error(to_merge, remain);
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parents: 59858
diff changeset
1450 PyMem_FREE(remain);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1451 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
1452 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1453
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1454 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1455 mro_implementation(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1456 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1457 Py_ssize_t i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1458 int ok;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1459 PyObject *bases, *result;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1460 PyObject *to_merge, *bases_aslist;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1461
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1462 if (type->tp_dict == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1463 if (PyType_Ready(type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1464 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1465 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1466
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1467 /* Find a superclass linearization that honors the constraints
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1468 of the explicit lists of bases and the constraints implied by
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1469 each base class.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1470
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1471 to_merge is a list of lists, where each list is a superclass
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1472 linearization implied by a base class. The last element of
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1473 to_merge is the declared list of bases.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1474 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1475
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1476 bases = type->tp_bases;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1477 n = PyTuple_GET_SIZE(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1478
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1479 to_merge = PyList_New(n+1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1480 if (to_merge == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1481 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1482
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1483 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1484 PyObject *base = PyTuple_GET_ITEM(bases, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1485 PyObject *parentMRO;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1486 parentMRO = PySequence_List(((PyTypeObject*)base)->tp_mro);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1487 if (parentMRO == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1488 Py_DECREF(to_merge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1489 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1490 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1491
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1492 PyList_SET_ITEM(to_merge, i, parentMRO);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1493 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1494
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1495 bases_aslist = PySequence_List(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1496 if (bases_aslist == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1497 Py_DECREF(to_merge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1498 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1499 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1500 /* This is just a basic sanity check. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1501 if (check_duplicates(bases_aslist) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1502 Py_DECREF(to_merge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1503 Py_DECREF(bases_aslist);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1504 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1505 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1506 PyList_SET_ITEM(to_merge, n, bases_aslist);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1507
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1508 result = Py_BuildValue("[O]", (PyObject *)type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1509 if (result == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1510 Py_DECREF(to_merge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1511 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1512 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1513
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1514 ok = pmerge(result, to_merge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1515 Py_DECREF(to_merge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1516 if (ok < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1517 Py_DECREF(result);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1518 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1519 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1520
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1521 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1522 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1523
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1524 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
1525 mro_external(PyObject *self)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1526 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1527 PyTypeObject *type = (PyTypeObject *)self;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1528
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1529 return mro_implementation(type);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1530 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1531
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1532 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1533 mro_internal(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1534 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1535 PyObject *mro, *result, *tuple;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1536 int checkit = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1537
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1538 if (Py_TYPE(type) == &PyType_Type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1539 result = mro_implementation(type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1540 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1541 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1542 static PyObject *mro_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1543 checkit = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1544 mro = lookup_method((PyObject *)type, "mro", &mro_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1545 if (mro == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1546 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1547 result = PyObject_CallObject(mro, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1548 Py_DECREF(mro);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1549 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1550 if (result == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1551 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1552 tuple = PySequence_Tuple(result);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1553 Py_DECREF(result);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1554 if (tuple == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1555 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1556 if (checkit) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1557 Py_ssize_t i, len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1558 PyObject *cls;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1559 PyTypeObject *solid;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1560
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1561 solid = solid_base(type);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1562
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1563 len = PyTuple_GET_SIZE(tuple);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1564
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1565 for (i = 0; i < len; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1566 PyTypeObject *t;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1567 cls = PyTuple_GET_ITEM(tuple, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1568 if (!PyType_Check(cls)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1569 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1570 "mro() returned a non-class ('%.500s')",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1571 Py_TYPE(cls)->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1572 Py_DECREF(tuple);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1573 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1574 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1575 t = (PyTypeObject*)cls;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1576 if (!PyType_IsSubtype(solid, solid_base(t))) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1577 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1578 "mro() returned base with unsuitable layout ('%.500s')",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1579 t->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1580 Py_DECREF(tuple);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1581 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1582 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1583 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1584 }
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diff changeset
1585 type->tp_mro = tuple;
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diff changeset
1586
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diff changeset
1587 type_mro_modified(type, type->tp_mro);
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diff changeset
1588 /* corner case: the old-style super class might have been hidden
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diff changeset
1589 from the custom MRO */
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diff changeset
1590 type_mro_modified(type, type->tp_bases);
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diff changeset
1591
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diff changeset
1592 PyType_Modified(type);
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diff changeset
1593
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1594 return 0;
18933
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parents: 18068
diff changeset
1595 }
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parents: 18068
diff changeset
1596
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diff changeset
1597
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diff changeset
1598 /* Calculate the best base amongst multiple base classes.
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diff changeset
1599 This is the first one that's on the path to the "solid base". */
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1600
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diff changeset
1601 static PyTypeObject *
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diff changeset
1602 best_base(PyObject *bases)
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diff changeset
1603 {
61467
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diff changeset
1604 Py_ssize_t i, n;
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diff changeset
1605 PyTypeObject *base, *winner, *candidate, *base_i;
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diff changeset
1606 PyObject *base_proto;
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diff changeset
1607
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diff changeset
1608 assert(PyTuple_Check(bases));
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diff changeset
1609 n = PyTuple_GET_SIZE(bases);
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diff changeset
1610 assert(n > 0);
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1611 base = NULL;
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1612 winner = NULL;
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1613 for (i = 0; i < n; i++) {
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1614 base_proto = PyTuple_GET_ITEM(bases, i);
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diff changeset
1615 if (!PyType_Check(base_proto)) {
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diff changeset
1616 PyErr_SetString(
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1617 PyExc_TypeError,
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diff changeset
1618 "bases must be types");
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1619 return NULL;
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1620 }
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1621 base_i = (PyTypeObject *)base_proto;
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1622 if (base_i->tp_dict == NULL) {
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diff changeset
1623 if (PyType_Ready(base_i) < 0)
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diff changeset
1624 return NULL;
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diff changeset
1625 }
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diff changeset
1626 candidate = solid_base(base_i);
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diff changeset
1627 if (winner == NULL) {
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diff changeset
1628 winner = candidate;
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diff changeset
1629 base = base_i;
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diff changeset
1630 }
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diff changeset
1631 else if (PyType_IsSubtype(winner, candidate))
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diff changeset
1632 ;
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1633 else if (PyType_IsSubtype(candidate, winner)) {
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diff changeset
1634 winner = candidate;
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diff changeset
1635 base = base_i;
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diff changeset
1636 }
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diff changeset
1637 else {
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diff changeset
1638 PyErr_SetString(
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diff changeset
1639 PyExc_TypeError,
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diff changeset
1640 "multiple bases have "
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diff changeset
1641 "instance lay-out conflict");
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1642 return NULL;
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diff changeset
1643 }
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1644 }
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1645 if (base == NULL)
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1646 PyErr_SetString(PyExc_TypeError,
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diff changeset
1647 "a new-style class can't have only classic bases");
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diff changeset
1648 return base;
18933
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1649 }
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1650
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diff changeset
1651 static int
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1652 extra_ivars(PyTypeObject *type, PyTypeObject *base)
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diff changeset
1653 {
61467
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diff changeset
1654 size_t t_size = type->tp_basicsize;
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diff changeset
1655 size_t b_size = base->tp_basicsize;
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diff changeset
1656
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diff changeset
1657 assert(t_size >= b_size); /* Else type smaller than base! */
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diff changeset
1658 if (type->tp_itemsize || base->tp_itemsize) {
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diff changeset
1659 /* If itemsize is involved, stricter rules */
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diff changeset
1660 return t_size != b_size ||
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diff changeset
1661 type->tp_itemsize != base->tp_itemsize;
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diff changeset
1662 }
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diff changeset
1663 if (type->tp_weaklistoffset && base->tp_weaklistoffset == 0 &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1664 type->tp_weaklistoffset + sizeof(PyObject *) == t_size &&
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parents: 59858
diff changeset
1665 type->tp_flags & Py_TPFLAGS_HEAPTYPE)
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diff changeset
1666 t_size -= sizeof(PyObject *);
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diff changeset
1667 if (type->tp_dictoffset && base->tp_dictoffset == 0 &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1668 type->tp_dictoffset + sizeof(PyObject *) == t_size &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1669 type->tp_flags & Py_TPFLAGS_HEAPTYPE)
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diff changeset
1670 t_size -= sizeof(PyObject *);
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diff changeset
1671
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diff changeset
1672 return t_size != b_size;
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diff changeset
1673 }
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diff changeset
1674
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diff changeset
1675 static PyTypeObject *
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diff changeset
1676 solid_base(PyTypeObject *type)
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diff changeset
1677 {
61467
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diff changeset
1678 PyTypeObject *base;
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diff changeset
1679
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diff changeset
1680 if (type->tp_base)
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diff changeset
1681 base = solid_base(type->tp_base);
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diff changeset
1682 else
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1683 base = &PyBaseObject_Type;
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1684 if (extra_ivars(type, base))
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diff changeset
1685 return type;
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1686 else
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1687 return base;
18933
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diff changeset
1688 }
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diff changeset
1689
24280
1598a1e473e2 staticforward bites the dust.
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parents: 24250
diff changeset
1690 static void object_dealloc(PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1691 static int object_init(PyObject *, PyObject *, PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1692 static int update_slot(PyTypeObject *, PyObject *);
1598a1e473e2 staticforward bites the dust.
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parents: 24250
diff changeset
1693 static void fixup_slot_dispatchers(PyTypeObject *);
18933
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diff changeset
1694
41716
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diff changeset
1695 /*
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1696 * Helpers for __dict__ descriptor. We don't want to expose the dicts
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diff changeset
1697 * inherited from various builtin types. The builtin base usually provides
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diff changeset
1698 * its own __dict__ descriptor, so we use that when we can.
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diff changeset
1699 */
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diff changeset
1700 static PyTypeObject *
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diff changeset
1701 get_builtin_base_with_dict(PyTypeObject *type)
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diff changeset
1702 {
61467
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1703 while (type->tp_base != NULL) {
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1704 if (type->tp_dictoffset != 0 &&
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diff changeset
1705 !(type->tp_flags & Py_TPFLAGS_HEAPTYPE))
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diff changeset
1706 return type;
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diff changeset
1707 type = type->tp_base;
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diff changeset
1708 }
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1709 return NULL;
41716
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diff changeset
1710 }
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diff changeset
1711
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diff changeset
1712 static PyObject *
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diff changeset
1713 get_dict_descriptor(PyTypeObject *type)
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diff changeset
1714 {
61467
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diff changeset
1715 static PyObject *dict_str;
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diff changeset
1716 PyObject *descr;
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diff changeset
1717
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1718 if (dict_str == NULL) {
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parents: 59858
diff changeset
1719 dict_str = PyUnicode_InternFromString("__dict__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1720 if (dict_str == NULL)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1721 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1722 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1723 descr = _PyType_Lookup(type, dict_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1724 if (descr == NULL || !PyDescr_IsData(descr))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1725 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1726
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1727 return descr;
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1728 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1729
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1730 static void
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1731 raise_dict_descr_error(PyObject *obj)
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1732 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1733 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1734 "this __dict__ descriptor does not support "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1735 "'%.200s' objects", Py_TYPE(obj)->tp_name);
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1736 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1737
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1738 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
1739 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
1740 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1741 PyObject **dictptr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1742 PyObject *dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1743 PyTypeObject *base;
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parents: 59858
diff changeset
1744
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1745 base = get_builtin_base_with_dict(Py_TYPE(obj));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1746 if (base != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1747 descrgetfunc func;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1748 PyObject *descr = get_dict_descriptor(base);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1749 if (descr == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1750 raise_dict_descr_error(obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1751 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1752 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1753 func = Py_TYPE(descr)->tp_descr_get;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1754 if (func == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1755 raise_dict_descr_error(obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1756 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1757 }
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parents: 59858
diff changeset
1758 return func(descr, obj, (PyObject *)(Py_TYPE(obj)));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1759 }
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parents: 59858
diff changeset
1760
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parents: 59858
diff changeset
1761 dictptr = _PyObject_GetDictPtr(obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1762 if (dictptr == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1763 PyErr_SetString(PyExc_AttributeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1764 "This object has no __dict__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1765 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1766 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1767 dict = *dictptr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1768 if (dict == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1769 *dictptr = dict = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1770 Py_XINCREF(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1771 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
1772 }
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1773
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1774 static int
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1775 subtype_setdict(PyObject *obj, PyObject *value, void *context)
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1776 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1777 PyObject **dictptr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1778 PyObject *dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1779 PyTypeObject *base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1780
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1781 base = get_builtin_base_with_dict(Py_TYPE(obj));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1782 if (base != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1783 descrsetfunc func;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1784 PyObject *descr = get_dict_descriptor(base);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1785 if (descr == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1786 raise_dict_descr_error(obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1787 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1788 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1789 func = Py_TYPE(descr)->tp_descr_set;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1790 if (func == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1791 raise_dict_descr_error(obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1792 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1793 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1794 return func(descr, obj, value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1795 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1796
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1797 dictptr = _PyObject_GetDictPtr(obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1798 if (dictptr == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1799 PyErr_SetString(PyExc_AttributeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1800 "This object has no __dict__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1801 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1802 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1803 if (value != NULL && !PyDict_Check(value)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1804 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1805 "__dict__ must be set to a dictionary, "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1806 "not a '%.200s'", Py_TYPE(value)->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1807 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1808 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1809 dict = *dictptr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1810 Py_XINCREF(value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1811 *dictptr = value;
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parents: 59858
diff changeset
1812 Py_XDECREF(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1813 return 0;
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1814 }
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1815
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1816 static PyObject *
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1817 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
1818 {
61467
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diff changeset
1819 PyObject **weaklistptr;
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parents: 59858
diff changeset
1820 PyObject *result;
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parents: 59858
diff changeset
1821
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1822 if (Py_TYPE(obj)->tp_weaklistoffset == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1823 PyErr_SetString(PyExc_AttributeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1824 "This object has no __weakref__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1825 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1826 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1827 assert(Py_TYPE(obj)->tp_weaklistoffset > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1828 assert(Py_TYPE(obj)->tp_weaklistoffset + sizeof(PyObject *) <=
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1829 (size_t)(Py_TYPE(obj)->tp_basicsize));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1830 weaklistptr = (PyObject **)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1831 ((char *)obj + Py_TYPE(obj)->tp_weaklistoffset);
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diff changeset
1832 if (*weaklistptr == NULL)
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parents: 59858
diff changeset
1833 result = Py_None;
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parents: 59858
diff changeset
1834 else
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parents: 59858
diff changeset
1835 result = *weaklistptr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1836 Py_INCREF(result);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1837 return result;
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1838 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1839
27132
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1840 /* 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
1841
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1842 static PyGetSetDef subtype_getsets_full[] = {
61467
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diff changeset
1843 {"__dict__", subtype_dict, subtype_setdict,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1844 PyDoc_STR("dictionary for instance variables (if defined)")},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1845 {"__weakref__", subtype_getweakref, NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
1846 PyDoc_STR("list of weak references to the object (if defined)")},
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parents: 59858
diff changeset
1847 {0}
19616
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1848 };
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1849
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
1850 static PyGetSetDef subtype_getsets_dict_only[] = {
61467
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diff changeset
1851 {"__dict__", subtype_dict, subtype_setdict,
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diff changeset
1852 PyDoc_STR("dictionary for instance variables (if defined)")},
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diff changeset
1853 {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
1854 };
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1855
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1856 static PyGetSetDef subtype_getsets_weakref_only[] = {
61467
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diff changeset
1857 {"__weakref__", subtype_getweakref, NULL,
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diff changeset
1858 PyDoc_STR("list of weak references to the object (if defined)")},
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diff changeset
1859 {0}
27132
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Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1860 };
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1861
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1862 static int
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1863 valid_identifier(PyObject *s)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1864 {
61467
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diff changeset
1865 if (!PyUnicode_Check(s)) {
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diff changeset
1866 PyErr_Format(PyExc_TypeError,
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diff changeset
1867 "__slots__ items must be strings, not '%.200s'",
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diff changeset
1868 Py_TYPE(s)->tp_name);
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diff changeset
1869 return 0;
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diff changeset
1870 }
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diff changeset
1871 if (!PyUnicode_IsIdentifier(s)) {
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diff changeset
1872 PyErr_SetString(PyExc_TypeError,
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diff changeset
1873 "__slots__ must be identifiers");
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diff changeset
1874 return 0;
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diff changeset
1875 }
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diff changeset
1876 return 1;
23666
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Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1877 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1878
41554
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diff changeset
1879 /* Forward */
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diff changeset
1880 static int
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diff changeset
1881 object_init(PyObject *self, PyObject *args, PyObject *kwds);
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diff changeset
1882
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diff changeset
1883 static int
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diff changeset
1884 type_init(PyObject *cls, PyObject *args, PyObject *kwds)
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diff changeset
1885 {
61467
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1886 int res;
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1887
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1888 assert(args != NULL && PyTuple_Check(args));
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diff changeset
1889 assert(kwds == NULL || PyDict_Check(kwds));
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diff changeset
1890
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diff changeset
1891 if (kwds != NULL && PyDict_Check(kwds) && PyDict_Size(kwds) != 0) {
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1892 PyErr_SetString(PyExc_TypeError,
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diff changeset
1893 "type.__init__() takes no keyword arguments");
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diff changeset
1894 return -1;
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diff changeset
1895 }
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diff changeset
1896
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1897 if (args != NULL && PyTuple_Check(args) &&
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diff changeset
1898 (PyTuple_GET_SIZE(args) != 1 && PyTuple_GET_SIZE(args) != 3)) {
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diff changeset
1899 PyErr_SetString(PyExc_TypeError,
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1900 "type.__init__() takes 1 or 3 arguments");
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1901 return -1;
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1902 }
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1903
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diff changeset
1904 /* Call object.__init__(self) now. */
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1905 /* XXX Could call super(type, cls).__init__() but what's the point? */
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1906 args = PyTuple_GetSlice(args, 0, 0);
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diff changeset
1907 res = object_init(cls, args, NULL);
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diff changeset
1908 Py_DECREF(args);
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1909 return res;
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diff changeset
1910 }
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1911
67877
aca91c55f38d Issue #11067: Add PyType_GetFlags, to support PyUnicode_Check
Martin v. Löwis <martin@v.loewis.de>
parents: 67651
diff changeset
1912 long
aca91c55f38d Issue #11067: Add PyType_GetFlags, to support PyUnicode_Check
Martin v. Löwis <martin@v.loewis.de>
parents: 67651
diff changeset
1913 PyType_GetFlags(PyTypeObject *type)
aca91c55f38d Issue #11067: Add PyType_GetFlags, to support PyUnicode_Check
Martin v. Löwis <martin@v.loewis.de>
parents: 67651
diff changeset
1914 {
aca91c55f38d Issue #11067: Add PyType_GetFlags, to support PyUnicode_Check
Martin v. Löwis <martin@v.loewis.de>
parents: 67651
diff changeset
1915 return type->tp_flags;
aca91c55f38d Issue #11067: Add PyType_GetFlags, to support PyUnicode_Check
Martin v. Löwis <martin@v.loewis.de>
parents: 67651
diff changeset
1916 }
aca91c55f38d Issue #11067: Add PyType_GetFlags, to support PyUnicode_Check
Martin v. Löwis <martin@v.loewis.de>
parents: 67651
diff changeset
1917
73061
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1918 /* Determine the most derived metatype. */
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1919 PyTypeObject *
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1920 _PyType_CalculateMetaclass(PyTypeObject *metatype, PyObject *bases)
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1921 {
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1922 Py_ssize_t i, nbases;
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1923 PyTypeObject *winner;
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1924 PyObject *tmp;
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1925 PyTypeObject *tmptype;
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1926
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1927 /* Determine the proper metatype to deal with this,
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1928 and check for metatype conflicts while we're at it.
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1929 Note that if some other metatype wins to contract,
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1930 it's possible that its instances are not types. */
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1931
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1932 nbases = PyTuple_GET_SIZE(bases);
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1933 winner = metatype;
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1934 for (i = 0; i < nbases; i++) {
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1935 tmp = PyTuple_GET_ITEM(bases, i);
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1936 tmptype = Py_TYPE(tmp);
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1937 if (PyType_IsSubtype(winner, tmptype))
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1938 continue;
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1939 if (PyType_IsSubtype(tmptype, winner)) {
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parents: 71889
diff changeset
1940 winner = tmptype;
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1941 continue;
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1942 }
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1943 /* else: */
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1944 PyErr_SetString(PyExc_TypeError,
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1945 "metaclass conflict: "
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1946 "the metaclass of a derived class "
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1947 "must be a (non-strict) subclass "
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1948 "of the metaclasses of all its bases");
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1949 return NULL;
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1950 }
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Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1951 return winner;
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1952 }
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1953
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
1954 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
1955 type_new(PyTypeObject *metatype, PyObject *args, PyObject *kwds)
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diff changeset
1956 {
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1957 PyObject *name, *bases, *dict;
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1958 static char *kwlist[] = {"name", "bases", "dict", 0};
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1959 PyObject *slots, *tmp, *newslots;
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1960 PyTypeObject *type, *base, *tmptype, *winner;
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diff changeset
1961 PyHeapTypeObject *et;
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1962 PyMemberDef *mp;
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1963 Py_ssize_t i, nbases, nslots, slotoffset, add_dict, add_weak;
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1964 int j, may_add_dict, may_add_weak;
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1965
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1966 assert(args != NULL && PyTuple_Check(args));
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1967 assert(kwds == NULL || PyDict_Check(kwds));
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1968
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1969 /* Special case: type(x) should return x->ob_type */
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1970 {
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1971 const Py_ssize_t nargs = PyTuple_GET_SIZE(args);
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diff changeset
1972 const Py_ssize_t nkwds = kwds == NULL ? 0 : PyDict_Size(kwds);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1973
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1974 if (PyType_CheckExact(metatype) && nargs == 1 && nkwds == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1975 PyObject *x = PyTuple_GET_ITEM(args, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1976 Py_INCREF(Py_TYPE(x));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1977 return (PyObject *) Py_TYPE(x);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1978 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1979
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1980 /* SF bug 475327 -- if that didn't trigger, we need 3
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1981 arguments. but PyArg_ParseTupleAndKeywords below may give
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1982 a msg saying type() needs exactly 3. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1983 if (nargs + nkwds != 3) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1984 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1985 "type() takes 1 or 3 arguments");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1986 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1987 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1988 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1989
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1990 /* Check arguments: (name, bases, dict) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1991 if (!PyArg_ParseTupleAndKeywords(args, kwds, "UO!O!:type", kwlist,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1992 &name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1993 &PyTuple_Type, &bases,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1994 &PyDict_Type, &dict))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1995 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
1996
73061
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1997 /* Determine the proper metatype to deal with this: */
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1998 winner = _PyType_CalculateMetaclass(metatype, bases);
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
1999 if (winner == NULL) {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2000 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2001 }
73061
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
2002
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2003 if (winner != metatype) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2004 if (winner->tp_new != type_new) /* Pass it to the winner */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2005 return winner->tp_new(winner, args, kwds);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2006 metatype = winner;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2007 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2008
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2009 /* Adjust for empty tuple bases */
73061
c2a89b509be4 Issue 1294232: Fix errors in metaclass calculation affecting some cases of metaclass inheritance. Patch by Daniel Urban.
Nick Coghlan <ncoghlan@gmail.com>
parents: 71889
diff changeset
2010 nbases = PyTuple_GET_SIZE(bases);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2011 if (nbases == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2012 bases = PyTuple_Pack(1, &PyBaseObject_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2013 if (bases == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2014 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2015 nbases = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2016 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2017 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2018 Py_INCREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2019
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2020 /* XXX From here until type is allocated, "return NULL" leaks bases! */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2021
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2022 /* Calculate best base, and check that all bases are type objects */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2023 base = best_base(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2024 if (base == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2025 Py_DECREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2026 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2027 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2028 if (!PyType_HasFeature(base, Py_TPFLAGS_BASETYPE)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2029 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2030 "type '%.100s' is not an acceptable base type",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2031 base->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2032 Py_DECREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2033 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2034 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2035
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2036 /* Check for a __slots__ sequence variable in dict, and count it */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2037 slots = PyDict_GetItemString(dict, "__slots__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2038 nslots = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2039 add_dict = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2040 add_weak = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2041 may_add_dict = base->tp_dictoffset == 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2042 may_add_weak = base->tp_weaklistoffset == 0 && base->tp_itemsize == 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2043 if (slots == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2044 if (may_add_dict) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2045 add_dict++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2046 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2047 if (may_add_weak) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2048 add_weak++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2049 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2050 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2051 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2052 /* Have slots */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2053
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2054 /* Make it into a tuple */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2055 if (PyUnicode_Check(slots))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2056 slots = PyTuple_Pack(1, slots);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2057 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2058 slots = PySequence_Tuple(slots);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2059 if (slots == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2060 Py_DECREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2061 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2062 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2063 assert(PyTuple_Check(slots));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2064
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2065 /* Are slots allowed? */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2066 nslots = PyTuple_GET_SIZE(slots);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2067 if (nslots > 0 && base->tp_itemsize != 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2068 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2069 "nonempty __slots__ "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2070 "not supported for subtype of '%s'",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2071 base->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2072 bad_slots:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2073 Py_DECREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2074 Py_DECREF(slots);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2075 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2076 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2077
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2078 /* Check for valid slot names and two special cases */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2079 for (i = 0; i < nslots; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2080 PyObject *tmp = PyTuple_GET_ITEM(slots, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2081 if (!valid_identifier(tmp))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2082 goto bad_slots;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2083 assert(PyUnicode_Check(tmp));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2084 if (PyUnicode_CompareWithASCIIString(tmp, "__dict__") == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2085 if (!may_add_dict || add_dict) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2086 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2087 "__dict__ slot disallowed: "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2088 "we already got one");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2089 goto bad_slots;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2090 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2091 add_dict++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2092 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2093 if (PyUnicode_CompareWithASCIIString(tmp, "__weakref__") == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2094 if (!may_add_weak || add_weak) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2095 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2096 "__weakref__ slot disallowed: "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2097 "either we already got one, "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2098 "or __itemsize__ != 0");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2099 goto bad_slots;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2100 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2101 add_weak++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2102 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2103 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2104
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2105 /* Copy slots into a list, mangle names and sort them.
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2106 Sorted names are needed for __class__ assignment.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2107 Convert them back to tuple at the end.
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2108 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2109 newslots = PyList_New(nslots - add_dict - add_weak);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2110 if (newslots == NULL)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2111 goto bad_slots;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2112 for (i = j = 0; i < nslots; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2113 tmp = PyTuple_GET_ITEM(slots, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2114 if ((add_dict &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2115 PyUnicode_CompareWithASCIIString(tmp, "__dict__") == 0) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2116 (add_weak &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2117 PyUnicode_CompareWithASCIIString(tmp, "__weakref__") == 0))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2118 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2119 tmp =_Py_Mangle(name, tmp);
71889
f0515cc7ee20 fix possible refleaks
Benjamin Peterson <benjamin@python.org>
parents: 71356
diff changeset
2120 if (!tmp) {
f0515cc7ee20 fix possible refleaks
Benjamin Peterson <benjamin@python.org>
parents: 71356
diff changeset
2121 Py_DECREF(newslots);
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2122 goto bad_slots;
71889
f0515cc7ee20 fix possible refleaks
Benjamin Peterson <benjamin@python.org>
parents: 71356
diff changeset
2123 }
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2124 PyList_SET_ITEM(newslots, j, tmp);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2125 j++;
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parents: 59858
diff changeset
2126 }
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parents: 59858
diff changeset
2127 assert(j == nslots - add_dict - add_weak);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2128 nslots = j;
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parents: 59858
diff changeset
2129 Py_DECREF(slots);
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parents: 59858
diff changeset
2130 if (PyList_Sort(newslots) == -1) {
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parents: 59858
diff changeset
2131 Py_DECREF(bases);
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parents: 59858
diff changeset
2132 Py_DECREF(newslots);
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parents: 59858
diff changeset
2133 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2134 }
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parents: 59858
diff changeset
2135 slots = PyList_AsTuple(newslots);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2136 Py_DECREF(newslots);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2137 if (slots == NULL) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2138 Py_DECREF(bases);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2139 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2140 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2141
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2142 /* Secondary bases may provide weakrefs or dict */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2143 if (nbases > 1 &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2144 ((may_add_dict && !add_dict) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2145 (may_add_weak && !add_weak))) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2146 for (i = 0; i < nbases; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2147 tmp = PyTuple_GET_ITEM(bases, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2148 if (tmp == (PyObject *)base)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2149 continue; /* Skip primary base */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2150 assert(PyType_Check(tmp));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2151 tmptype = (PyTypeObject *)tmp;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2152 if (may_add_dict && !add_dict &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2153 tmptype->tp_dictoffset != 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2154 add_dict++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2155 if (may_add_weak && !add_weak &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2156 tmptype->tp_weaklistoffset != 0)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2157 add_weak++;
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parents: 59858
diff changeset
2158 if (may_add_dict && !add_dict)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2159 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2160 if (may_add_weak && !add_weak)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2161 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2162 /* Nothing more to check */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2163 break;
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parents: 59858
diff changeset
2164 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2165 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2166 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2167
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2168 /* XXX From here until type is safely allocated,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2169 "return NULL" may leak slots! */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2170
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2171 /* Allocate the type object */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2172 type = (PyTypeObject *)metatype->tp_alloc(metatype, nslots);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2173 if (type == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2174 Py_XDECREF(slots);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2175 Py_DECREF(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2176 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2177 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2178
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2179 /* Keep name and slots alive in the extended type object */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2180 et = (PyHeapTypeObject *)type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2181 Py_INCREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2182 et->ht_name = name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2183 et->ht_slots = slots;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2184
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2185 /* Initialize tp_flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2186 type->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HEAPTYPE |
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2187 Py_TPFLAGS_BASETYPE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2188 if (base->tp_flags & Py_TPFLAGS_HAVE_GC)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2189 type->tp_flags |= Py_TPFLAGS_HAVE_GC;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2190
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2191 /* Initialize essential fields */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2192 type->tp_as_number = &et->as_number;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2193 type->tp_as_sequence = &et->as_sequence;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2194 type->tp_as_mapping = &et->as_mapping;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2195 type->tp_as_buffer = &et->as_buffer;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2196 type->tp_name = _PyUnicode_AsString(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2197 if (!type->tp_name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2198 Py_DECREF(type);
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parents: 59858
diff changeset
2199 return NULL;
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parents: 59858
diff changeset
2200 }
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parents: 59858
diff changeset
2201
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parents: 59858
diff changeset
2202 /* Set tp_base and tp_bases */
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parents: 59858
diff changeset
2203 type->tp_bases = bases;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2204 Py_INCREF(base);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2205 type->tp_base = base;
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parents: 59858
diff changeset
2206
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diff changeset
2207 /* Initialize tp_dict from passed-in dict */
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parents: 59858
diff changeset
2208 type->tp_dict = dict = PyDict_Copy(dict);
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parents: 59858
diff changeset
2209 if (dict == NULL) {
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parents: 59858
diff changeset
2210 Py_DECREF(type);
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parents: 59858
diff changeset
2211 return NULL;
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parents: 59858
diff changeset
2212 }
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parents: 59858
diff changeset
2213
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parents: 59858
diff changeset
2214 /* Set __module__ in the dict */
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parents: 59858
diff changeset
2215 if (PyDict_GetItemString(dict, "__module__") == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2216 tmp = PyEval_GetGlobals();
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parents: 59858
diff changeset
2217 if (tmp != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2218 tmp = PyDict_GetItemString(tmp, "__name__");
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parents: 59858
diff changeset
2219 if (tmp != NULL) {
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parents: 59858
diff changeset
2220 if (PyDict_SetItemString(dict, "__module__",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2221 tmp) < 0)
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diff changeset
2222 return NULL;
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parents: 59858
diff changeset
2223 }
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parents: 59858
diff changeset
2224 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2225 }
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parents: 59858
diff changeset
2226
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parents: 59858
diff changeset
2227 /* Set tp_doc to a copy of dict['__doc__'], if the latter is there
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2228 and is a string. The __doc__ accessor will first look for tp_doc;
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2229 if that fails, it will still look into __dict__.
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diff changeset
2230 */
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parents: 59858
diff changeset
2231 {
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diff changeset
2232 PyObject *doc = PyDict_GetItemString(dict, "__doc__");
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diff changeset
2233 if (doc != NULL && PyUnicode_Check(doc)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2234 Py_ssize_t len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2235 char *doc_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2236 char *tp_doc;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2237
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2238 doc_str = _PyUnicode_AsString(doc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2239 if (doc_str == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2240 Py_DECREF(type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2241 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2242 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2243 /* Silently truncate the docstring if it contains null bytes. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2244 len = strlen(doc_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2245 tp_doc = (char *)PyObject_MALLOC(len + 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2246 if (tp_doc == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2247 Py_DECREF(type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2248 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2249 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2250 memcpy(tp_doc, doc_str, len + 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2251 type->tp_doc = tp_doc;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2252 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2253 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2254
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2255 /* Special-case __new__: if it's a plain function,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2256 make it a static function */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2257 tmp = PyDict_GetItemString(dict, "__new__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2258 if (tmp != NULL && PyFunction_Check(tmp)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2259 tmp = PyStaticMethod_New(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2260 if (tmp == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2261 Py_DECREF(type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2262 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2263 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2264 PyDict_SetItemString(dict, "__new__", tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2265 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2266 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2267
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2268 /* Add descriptors for custom slots from __slots__, or for __dict__ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2269 mp = PyHeapType_GET_MEMBERS(et);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2270 slotoffset = base->tp_basicsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2271 if (slots != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2272 for (i = 0; i < nslots; i++, mp++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2273 mp->name = _PyUnicode_AsString(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2274 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
2275 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
2276 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
2277 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
2278 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2279 mp->type = T_OBJECT_EX;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2280 mp->offset = slotoffset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2281
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2282 /* __dict__ and __weakref__ are already filtered out */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2283 assert(strcmp(mp->name, "__dict__") != 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2284 assert(strcmp(mp->name, "__weakref__") != 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2285
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2286 slotoffset += sizeof(PyObject *);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2287 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2288 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2289 if (add_dict) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2290 if (base->tp_itemsize)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2291 type->tp_dictoffset = -(long)sizeof(PyObject *);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2292 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2293 type->tp_dictoffset = slotoffset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2294 slotoffset += sizeof(PyObject *);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2295 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2296 if (add_weak) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2297 assert(!base->tp_itemsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2298 type->tp_weaklistoffset = slotoffset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2299 slotoffset += sizeof(PyObject *);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2300 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2301 type->tp_basicsize = slotoffset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2302 type->tp_itemsize = base->tp_itemsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2303 type->tp_members = PyHeapType_GET_MEMBERS(et);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2304
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2305 if (type->tp_weaklistoffset && type->tp_dictoffset)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2306 type->tp_getset = subtype_getsets_full;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2307 else if (type->tp_weaklistoffset && !type->tp_dictoffset)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2308 type->tp_getset = subtype_getsets_weakref_only;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2309 else if (!type->tp_weaklistoffset && type->tp_dictoffset)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2310 type->tp_getset = subtype_getsets_dict_only;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2311 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2312 type->tp_getset = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2313
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2314 /* Special case some slots */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2315 if (type->tp_dictoffset != 0 || nslots > 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2316 if (base->tp_getattr == NULL && base->tp_getattro == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2317 type->tp_getattro = PyObject_GenericGetAttr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2318 if (base->tp_setattr == NULL && base->tp_setattro == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2319 type->tp_setattro = PyObject_GenericSetAttr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2320 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2321 type->tp_dealloc = subtype_dealloc;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2322
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2323 /* Enable GC unless there are really no instance variables possible */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2324 if (!(type->tp_basicsize == sizeof(PyObject) &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2325 type->tp_itemsize == 0))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2326 type->tp_flags |= Py_TPFLAGS_HAVE_GC;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2327
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2328 /* Always override allocation strategy to use regular heap */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2329 type->tp_alloc = PyType_GenericAlloc;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2330 if (type->tp_flags & Py_TPFLAGS_HAVE_GC) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2331 type->tp_free = PyObject_GC_Del;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2332 type->tp_traverse = subtype_traverse;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2333 type->tp_clear = subtype_clear;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2334 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2335 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2336 type->tp_free = PyObject_Del;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2337
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2338 /* Initialize the rest */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2339 if (PyType_Ready(type) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2340 Py_DECREF(type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2341 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2342 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2343
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2344 /* Put the proper slots in place */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2345 fixup_slot_dispatchers(type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2346
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2347 return (PyObject *)type;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2348 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2349
66664
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2350 static short slotoffsets[] = {
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2351 -1, /* invalid slot */
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2352 #include "typeslots.inc"
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2353 };
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2354
74684
32816454ba30 adjust declaration
Benjamin Peterson <benjamin@python.org>
parents: 73978
diff changeset
2355 PyObject *
32816454ba30 adjust declaration
Benjamin Peterson <benjamin@python.org>
parents: 73978
diff changeset
2356 PyType_FromSpec(PyType_Spec *spec)
66664
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2357 {
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2358 PyHeapTypeObject *res = (PyHeapTypeObject*)PyType_GenericAlloc(&PyType_Type, 0);
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2359 char *res_start = (char*)res;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2360 PyType_Slot *slot;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2361
68073
7b011cf64f90 - Check for NULL result in PyType_FromSpec.
Martin v. Löwis <martin@v.loewis.de>
parents: 67962
diff changeset
2362 if (res == NULL)
7b011cf64f90 - Check for NULL result in PyType_FromSpec.
Martin v. Löwis <martin@v.loewis.de>
parents: 67962
diff changeset
2363 return NULL;
66664
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2364 res->ht_name = PyUnicode_FromString(spec->name);
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2365 if (!res->ht_name)
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2366 goto fail;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2367 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
2368 if (!res->ht_type.tp_name)
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2369 goto fail;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2370
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2371 res->ht_type.tp_basicsize = spec->basicsize;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2372 res->ht_type.tp_itemsize = spec->itemsize;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2373 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
2374
66664
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2375 for (slot = spec->slots; slot->slot; slot++) {
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2376 if (slot->slot >= sizeof(slotoffsets)/sizeof(slotoffsets[0])) {
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2377 PyErr_SetString(PyExc_RuntimeError, "invalid slot offset");
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2378 goto fail;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2379 }
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2380 *(void**)(res_start + slotoffsets[slot->slot]) = slot->pfunc;
67962
788eafaef7dc #11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents: 67877
diff changeset
2381
788eafaef7dc #11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents: 67877
diff changeset
2382 /* need to make a copy of the docstring slot, which usually
788eafaef7dc #11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents: 67877
diff changeset
2383 points to a static string literal */
788eafaef7dc #11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents: 67877
diff changeset
2384 if (slot->slot == Py_tp_doc) {
788eafaef7dc #11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents: 67877
diff changeset
2385 ssize_t len = strlen(slot->pfunc)+1;
788eafaef7dc #11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents: 67877
diff changeset
2386 char *tp_doc = PyObject_MALLOC(len);
788eafaef7dc #11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents: 67877
diff changeset
2387 if (tp_doc == NULL)
788eafaef7dc #11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents: 67877
diff changeset
2388 goto fail;
788eafaef7dc #11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents: 67877
diff changeset
2389 memcpy(tp_doc, slot->pfunc, len);
788eafaef7dc #11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents: 67877
diff changeset
2390 res->ht_type.tp_doc = tp_doc;
788eafaef7dc #11249: in PyType_FromSpec, copy tp_doc slot since it usually will point to a static string literal which should not be deallocated together with the type.
Georg Brandl <georg@python.org>
parents: 67877
diff changeset
2391 }
66664
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2392 }
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2393
74685
e858bb04f7e7 ready types returned from PyType_FromSpec
Benjamin Peterson <benjamin@python.org>
parents: 74684
diff changeset
2394 if (PyType_Ready(&res->ht_type) < 0)
e858bb04f7e7 ready types returned from PyType_FromSpec
Benjamin Peterson <benjamin@python.org>
parents: 74684
diff changeset
2395 goto fail;
e858bb04f7e7 ready types returned from PyType_FromSpec
Benjamin Peterson <benjamin@python.org>
parents: 74684
diff changeset
2396
66664
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2397 return (PyObject*)res;
67347
3bf4d9f1660a Issue #9566: use Py_ssize_t instead of int
Victor Stinner <victor.stinner@haypocalc.com>
parents: 66664
diff changeset
2398
66664
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2399 fail:
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2400 Py_DECREF(res);
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2401 return NULL;
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2402 }
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2403
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 65603
diff changeset
2404
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2405 /* 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
2406 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
2407 PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2408 _PyType_Lookup(PyTypeObject *type, PyObject *name)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2409 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2410 Py_ssize_t i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2411 PyObject *mro, *res, *base, *dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2412 unsigned int h;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2413
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2414 if (MCACHE_CACHEABLE_NAME(name) &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2415 PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2416 /* fast path */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2417 h = MCACHE_HASH_METHOD(type, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2418 if (method_cache[h].version == type->tp_version_tag &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2419 method_cache[h].name == name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2420 return method_cache[h].value;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2421 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2422
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2423 /* Look in tp_dict of types in MRO */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2424 mro = type->tp_mro;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2425
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2426 /* If mro is NULL, the type is either not yet initialized
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2427 by PyType_Ready(), or already cleared by type_clear().
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2428 Either way the safest thing to do is to return NULL. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2429 if (mro == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2430 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2431
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2432 res = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2433 assert(PyTuple_Check(mro));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2434 n = PyTuple_GET_SIZE(mro);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2435 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2436 base = PyTuple_GET_ITEM(mro, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2437 assert(PyType_Check(base));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2438 dict = ((PyTypeObject *)base)->tp_dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2439 assert(dict && PyDict_Check(dict));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2440 res = PyDict_GetItem(dict, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2441 if (res != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2442 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2443 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2444
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2445 if (MCACHE_CACHEABLE_NAME(name) && assign_version_tag(type)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2446 h = MCACHE_HASH_METHOD(type, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2447 method_cache[h].version = type->tp_version_tag;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2448 method_cache[h].value = res; /* borrowed */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2449 Py_INCREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2450 Py_DECREF(method_cache[h].name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2451 method_cache[h].name = name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2452 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2453 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2454 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2455
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2456 /* This is similar to PyObject_GenericGetAttr(),
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2457 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
2458 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2459 type_getattro(PyTypeObject *type, PyObject *name)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2460 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2461 PyTypeObject *metatype = Py_TYPE(type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2462 PyObject *meta_attribute, *attribute;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2463 descrgetfunc meta_get;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2464
75737
b7bad204b34f check to make sure the attribute is a string (#14334)
Benjamin Peterson <benjamin@python.org>
parents: 75482
diff changeset
2465 if (!PyUnicode_Check(name)) {
b7bad204b34f check to make sure the attribute is a string (#14334)
Benjamin Peterson <benjamin@python.org>
parents: 75482
diff changeset
2466 PyErr_Format(PyExc_TypeError,
b7bad204b34f check to make sure the attribute is a string (#14334)
Benjamin Peterson <benjamin@python.org>
parents: 75482
diff changeset
2467 "attribute name must be string, not '%.200s'",
b7bad204b34f check to make sure the attribute is a string (#14334)
Benjamin Peterson <benjamin@python.org>
parents: 75482
diff changeset
2468 name->ob_type->tp_name);
b7bad204b34f check to make sure the attribute is a string (#14334)
Benjamin Peterson <benjamin@python.org>
parents: 75482
diff changeset
2469 return NULL;
b7bad204b34f check to make sure the attribute is a string (#14334)
Benjamin Peterson <benjamin@python.org>
parents: 75482
diff changeset
2470 }
b7bad204b34f check to make sure the attribute is a string (#14334)
Benjamin Peterson <benjamin@python.org>
parents: 75482
diff changeset
2471
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2472 /* Initialize this type (we'll assume the metatype is initialized) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2473 if (type->tp_dict == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2474 if (PyType_Ready(type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2475 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2476 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2477
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2478 /* No readable descriptor found yet */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2479 meta_get = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2480
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2481 /* Look for the attribute in the metatype */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2482 meta_attribute = _PyType_Lookup(metatype, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2483
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2484 if (meta_attribute != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2485 meta_get = Py_TYPE(meta_attribute)->tp_descr_get;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2486
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2487 if (meta_get != NULL && PyDescr_IsData(meta_attribute)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2488 /* Data descriptors implement tp_descr_set to intercept
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2489 * writes. Assume the attribute is not overridden in
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2490 * type's tp_dict (and bases): call the descriptor now.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2491 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2492 return meta_get(meta_attribute, (PyObject *)type,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2493 (PyObject *)metatype);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2494 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2495 Py_INCREF(meta_attribute);
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parents: 59858
diff changeset
2496 }
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parents: 59858
diff changeset
2497
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2498 /* No data descriptor found on metatype. Look in tp_dict of this
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2499 * type and its bases */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2500 attribute = _PyType_Lookup(type, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2501 if (attribute != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2502 /* Implement descriptor functionality, if any */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2503 descrgetfunc local_get = Py_TYPE(attribute)->tp_descr_get;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2504
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2505 Py_XDECREF(meta_attribute);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2506
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2507 if (local_get != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2508 /* NULL 2nd argument indicates the descriptor was
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2509 * found on the target object itself (or a base) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2510 return local_get(attribute, (PyObject *)NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2511 (PyObject *)type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2512 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2513
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2514 Py_INCREF(attribute);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2515 return attribute;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2516 }
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parents: 59858
diff changeset
2517
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2518 /* No attribute found in local __dict__ (or bases): use the
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2519 * descriptor from the metatype, if any */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2520 if (meta_get != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2521 PyObject *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2522 res = meta_get(meta_attribute, (PyObject *)type,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2523 (PyObject *)metatype);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2524 Py_DECREF(meta_attribute);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2525 return res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2526 }
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parents: 59858
diff changeset
2527
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2528 /* If an ordinary attribute was found on the metatype, return it now */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2529 if (meta_attribute != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2530 return meta_attribute;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2531 }
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parents: 59858
diff changeset
2532
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2533 /* Give up */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2534 PyErr_Format(PyExc_AttributeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2535 "type object '%.50s' has no attribute '%U'",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2536 type->tp_name, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2537 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2538 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2539
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2540 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2541 type_setattro(PyTypeObject *type, PyObject *name, PyObject *value)
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2542 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2543 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2544 PyErr_Format(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2545 PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2546 "can't set attributes of built-in/extension type '%s'",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2547 type->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2548 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2549 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2550 if (PyObject_GenericSetAttr((PyObject *)type, name, value) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2551 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2552 return update_slot(type, name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2553 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2554
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2555 static void
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2556 type_dealloc(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2557 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2558 PyHeapTypeObject *et;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2559
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2560 /* Assert this is a heap-allocated type object */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2561 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2562 _PyObject_GC_UNTRACK(type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2563 PyObject_ClearWeakRefs((PyObject *)type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2564 et = (PyHeapTypeObject *)type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2565 Py_XDECREF(type->tp_base);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2566 Py_XDECREF(type->tp_dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2567 Py_XDECREF(type->tp_bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2568 Py_XDECREF(type->tp_mro);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2569 Py_XDECREF(type->tp_cache);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2570 Py_XDECREF(type->tp_subclasses);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2571 /* A type's tp_doc is heap allocated, unlike the tp_doc slots
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2572 * of most other objects. It's okay to cast it to char *.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2573 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2574 PyObject_Free((char *)type->tp_doc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2575 Py_XDECREF(et->ht_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2576 Py_XDECREF(et->ht_slots);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2577 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
2578 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2579
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2580 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
2581 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
2582 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2583 PyObject *list, *raw, *ref;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2584 Py_ssize_t i, n;
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parents: 59858
diff changeset
2585
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2586 list = PyList_New(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2587 if (list == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2588 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2589 raw = type->tp_subclasses;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2590 if (raw == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2591 return list;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2592 assert(PyList_Check(raw));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2593 n = PyList_GET_SIZE(raw);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2594 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2595 ref = PyList_GET_ITEM(raw, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2596 assert(PyWeakref_CheckRef(ref));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2597 ref = PyWeakref_GET_OBJECT(ref);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2598 if (ref != Py_None) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2599 if (PyList_Append(list, ref) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2600 Py_DECREF(list);
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parents: 59858
diff changeset
2601 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2602 }
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parents: 59858
diff changeset
2603 }
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parents: 59858
diff changeset
2604 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2605 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
2606 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2607
42420
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2608 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
2609 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
2610 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2611 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
2612 }
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2613
18933
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Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2614 static PyMethodDef type_methods[] = {
61467
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parents: 59858
diff changeset
2615 {"mro", (PyCFunction)mro_external, METH_NOARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2616 PyDoc_STR("mro() -> list\nreturn a type's method resolution order")},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2617 {"__subclasses__", (PyCFunction)type_subclasses, METH_NOARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2618 PyDoc_STR("__subclasses__() -> list of immediate subclasses")},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2619 {"__prepare__", (PyCFunction)type_prepare,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2620 METH_VARARGS | METH_KEYWORDS | METH_CLASS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2621 PyDoc_STR("__prepare__() -> dict\n"
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2622 "used to create the namespace for the class statement")},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2623 {"__instancecheck__", type___instancecheck__, METH_O,
70338
310b484ebd91 use '->' to indicate return values
Benjamin Peterson <benjamin@python.org>
parents: 68585
diff changeset
2624 PyDoc_STR("__instancecheck__() -> bool\ncheck if an object is an instance")},
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2625 {"__subclasscheck__", type___subclasscheck__, METH_O,
70338
310b484ebd91 use '->' to indicate return values
Benjamin Peterson <benjamin@python.org>
parents: 68585
diff changeset
2626 PyDoc_STR("__subclasscheck__() -> bool\ncheck if a class is a subclass")},
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2627 {0}
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2628 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2629
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23830
diff changeset
2630 PyDoc_STRVAR(type_doc,
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2631 "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
2632 "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
2633
20220
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
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2635 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
2636 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2637 /* Because of type_is_gc(), the collector only calls this
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2638 for heaptypes. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2639 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2640
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2641 Py_VISIT(type->tp_dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2642 Py_VISIT(type->tp_cache);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2643 Py_VISIT(type->tp_mro);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2644 Py_VISIT(type->tp_bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2645 Py_VISIT(type->tp_base);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2646
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2647 /* There's no need to visit type->tp_subclasses or
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2648 ((PyHeapTypeObject *)type)->ht_slots, because they can't be involved
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2649 in cycles; tp_subclasses is a list of weak references,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2650 and slots is a tuple of strings. */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2651
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2652 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
2653 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2654
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2655 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
2656 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
2657 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2658 /* Because of type_is_gc(), the collector only calls this
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2659 for heaptypes. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2660 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2661
73978
b196bcd7c34f Fix the fix for issue #12149: it was incorrect, although it had the side
Antoine Pitrou <solipsis@pitrou.net>
parents: 73500
diff changeset
2662 /* We need to invalidate the method cache carefully before clearing
b196bcd7c34f Fix the fix for issue #12149: it was incorrect, although it had the side
Antoine Pitrou <solipsis@pitrou.net>
parents: 73500
diff changeset
2663 the dict, so that other objects caught in a reference cycle
b196bcd7c34f Fix the fix for issue #12149: it was incorrect, although it had the side
Antoine Pitrou <solipsis@pitrou.net>
parents: 73500
diff changeset
2664 don't start calling destroyed methods.
b196bcd7c34f Fix the fix for issue #12149: it was incorrect, although it had the side
Antoine Pitrou <solipsis@pitrou.net>
parents: 73500
diff changeset
2665
b196bcd7c34f Fix the fix for issue #12149: it was incorrect, although it had the side
Antoine Pitrou <solipsis@pitrou.net>
parents: 73500
diff changeset
2666 Otherwise, the only field we need to clear is tp_mro, which is
b196bcd7c34f Fix the fix for issue #12149: it was incorrect, although it had the side
Antoine Pitrou <solipsis@pitrou.net>
parents: 73500
diff changeset
2667 part of a hard cycle (its first element is the class itself) that
b196bcd7c34f Fix the fix for issue #12149: it was incorrect, although it had the side
Antoine Pitrou <solipsis@pitrou.net>
parents: 73500
diff changeset
2668 won't be broken otherwise (it's a tuple and tuples don't have a
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2669 tp_clear handler). None of the other fields need to be
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2670 cleared, and here's why:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2671
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2672 tp_cache:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2673 Not used; if it were, it would be a dict.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2674
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2675 tp_bases, tp_base:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2676 If these are involved in a cycle, there must be at least
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2677 one other, mutable object in the cycle, e.g. a base
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2678 class's dict; the cycle will be broken that way.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2679
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2680 tp_subclasses:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2681 A list of weak references can't be part of a cycle; and
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2682 lists have their own tp_clear.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2683
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2684 slots (in PyHeapTypeObject):
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2685 A tuple of strings can't be part of a cycle.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2686 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2687
73978
b196bcd7c34f Fix the fix for issue #12149: it was incorrect, although it had the side
Antoine Pitrou <solipsis@pitrou.net>
parents: 73500
diff changeset
2688 PyType_Modified(type);
b196bcd7c34f Fix the fix for issue #12149: it was incorrect, although it had the side
Antoine Pitrou <solipsis@pitrou.net>
parents: 73500
diff changeset
2689 if (type->tp_dict)
b196bcd7c34f Fix the fix for issue #12149: it was incorrect, although it had the side
Antoine Pitrou <solipsis@pitrou.net>
parents: 73500
diff changeset
2690 PyDict_Clear(type->tp_dict);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2691 Py_CLEAR(type->tp_mro);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2692
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2693 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
2694 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2695
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2696 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
2697 type_is_gc(PyTypeObject *type)
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2698 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2699 return type->tp_flags & Py_TPFLAGS_HEAPTYPE;
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2700 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2701
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
2702 PyTypeObject PyType_Type = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2703 PyVarObject_HEAD_INIT(&PyType_Type, 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2704 "type", /* tp_name */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2705 sizeof(PyHeapTypeObject), /* tp_basicsize */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2706 sizeof(PyMemberDef), /* tp_itemsize */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2707 (destructor)type_dealloc, /* tp_dealloc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2708 0, /* tp_print */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2709 0, /* tp_getattr */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2710 0, /* tp_setattr */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2711 0, /* tp_reserved */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2712 (reprfunc)type_repr, /* tp_repr */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2713 0, /* tp_as_number */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2714 0, /* tp_as_sequence */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2715 0, /* tp_as_mapping */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2716 0, /* tp_hash */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2717 (ternaryfunc)type_call, /* tp_call */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2718 0, /* tp_str */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2719 (getattrofunc)type_getattro, /* tp_getattro */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2720 (setattrofunc)type_setattro, /* tp_setattro */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2721 0, /* tp_as_buffer */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2722 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2723 Py_TPFLAGS_BASETYPE | Py_TPFLAGS_TYPE_SUBCLASS, /* tp_flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2724 type_doc, /* tp_doc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2725 (traverseproc)type_traverse, /* tp_traverse */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2726 (inquiry)type_clear, /* tp_clear */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2727 0, /* tp_richcompare */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2728 offsetof(PyTypeObject, tp_weaklist), /* tp_weaklistoffset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2729 0, /* tp_iter */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2730 0, /* tp_iternext */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2731 type_methods, /* tp_methods */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2732 type_members, /* tp_members */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2733 type_getsets, /* tp_getset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2734 0, /* tp_base */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2735 0, /* tp_dict */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2736 0, /* tp_descr_get */
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parents: 59858
diff changeset
2737 0, /* tp_descr_set */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2738 offsetof(PyTypeObject, tp_dict), /* tp_dictoffset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2739 type_init, /* tp_init */
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parents: 59858
diff changeset
2740 0, /* tp_alloc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2741 type_new, /* tp_new */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
2742 PyObject_GC_Del, /* tp_free */
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parents: 59858
diff changeset
2743 (inquiry)type_is_gc, /* tp_is_gc */
18933
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parents: 18068
diff changeset
2744 };
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2745
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2746
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2747 /* The base type of all types (eventually)... except itself. */
09df3254b49d Merge of descr-branch back into trunk.
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parents: 18068
diff changeset
2748
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2749 /* You may wonder why object.__new__() only complains about arguments
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2750 when object.__init__() is not overridden, and vice versa.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2751
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2752 Consider the use cases:
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2753
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2754 1. When neither is overridden, we want to hear complaints about
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2755 excess (i.e., any) arguments, since their presence could
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2756 indicate there's a bug.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2757
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2758 2. When defining an Immutable type, we are likely to override only
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2759 __new__(), since __init__() is called too late to initialize an
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2760 Immutable object. Since __new__() defines the signature for the
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2761 type, it would be a pain to have to override __init__() just to
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2762 stop it from complaining about excess arguments.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2763
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2764 3. When defining a Mutable type, we are likely to override only
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2765 __init__(). So here the converse reasoning applies: we don't
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2766 want to have to override __new__() just to stop it from
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2767 complaining.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2768
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2769 4. When __init__() is overridden, and the subclass __init__() calls
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2770 object.__init__(), the latter should complain about excess
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2771 arguments; ditto for __new__().
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2772
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2773 Use cases 2 and 3 make it unattractive to unconditionally check for
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2774 excess arguments. The best solution that addresses all four use
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2775 cases is as follows: __init__() complains about excess arguments
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2776 unless __new__() is overridden and __init__() is not overridden
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2777 (IOW, if __init__() is overridden or __new__() is not overridden);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2778 symmetrically, __new__() complains about excess arguments unless
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2779 __init__() is overridden and __new__() is not overridden
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2780 (IOW, if __new__() is overridden or __init__() is not overridden).
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2781
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2782 However, for backwards compatibility, this breaks too much code.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2783 Therefore, in 2.6, we'll *warn* about excess arguments when both
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2784 methods are overridden; for all other cases we'll use the above
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2785 rules.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2786
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2787 */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2788
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2789 /* Forward */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2790 static PyObject *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2791 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2792
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2793 static int
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2794 excess_args(PyObject *args, PyObject *kwds)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2795 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2796 return PyTuple_GET_SIZE(args) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2797 (kwds && PyDict_Check(kwds) && PyDict_Size(kwds));
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2798 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2799
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2800 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2801 object_init(PyObject *self, PyObject *args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2802 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2803 int err = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2804 if (excess_args(args, kwds)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2805 PyTypeObject *type = Py_TYPE(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2806 if (type->tp_init != object_init &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2807 type->tp_new != object_new)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2808 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2809 err = PyErr_WarnEx(PyExc_DeprecationWarning,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2810 "object.__init__() takes no parameters",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2811 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2812 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2813 else if (type->tp_init != object_init ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2814 type->tp_new == object_new)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2815 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2816 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2817 "object.__init__() takes no parameters");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2818 err = -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2819 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2820 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2821 return err;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2822 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2823
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2824 static PyObject *
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2825 object_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2826 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2827 int err = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2828 if (excess_args(args, kwds)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2829 if (type->tp_new != object_new &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2830 type->tp_init != object_init)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2831 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2832 err = PyErr_WarnEx(PyExc_DeprecationWarning,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2833 "object.__new__() takes no parameters",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2834 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2835 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2836 else if (type->tp_new != object_new ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2837 type->tp_init == object_init)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2838 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2839 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2840 "object.__new__() takes no parameters");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2841 err = -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2842 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2843 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2844 if (err < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2845 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2846
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2847 if (type->tp_flags & Py_TPFLAGS_IS_ABSTRACT) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2848 static PyObject *comma = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2849 PyObject *abstract_methods = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2850 PyObject *builtins;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2851 PyObject *sorted;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2852 PyObject *sorted_methods = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2853 PyObject *joined = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2854
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2855 /* Compute ", ".join(sorted(type.__abstractmethods__))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2856 into joined. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2857 abstract_methods = type_abstractmethods(type, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2858 if (abstract_methods == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2859 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2860 builtins = PyEval_GetBuiltins();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2861 if (builtins == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2862 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2863 sorted = PyDict_GetItemString(builtins, "sorted");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2864 if (sorted == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2865 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2866 sorted_methods = PyObject_CallFunctionObjArgs(sorted,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2867 abstract_methods,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2868 NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2869 if (sorted_methods == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2870 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2871 if (comma == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2872 comma = PyUnicode_InternFromString(", ");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2873 if (comma == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2874 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2875 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2876 joined = PyObject_CallMethod(comma, "join",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2877 "O", sorted_methods);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2878 if (joined == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2879 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2880
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2881 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2882 "Can't instantiate abstract class %s "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2883 "with abstract methods %U",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2884 type->tp_name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2885 joined);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2886 error:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2887 Py_XDECREF(joined);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2888 Py_XDECREF(sorted_methods);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2889 Py_XDECREF(abstract_methods);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2890 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2891 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2892 return type->tp_alloc(type, 0);
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2893 }
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2894
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2895 static void
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2896 object_dealloc(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2897 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2898 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
2899 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2900
19194
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2901 static PyObject *
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2902 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
2903 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2904 PyTypeObject *type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2905 PyObject *mod, *name, *rtn;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2906
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2907 type = Py_TYPE(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2908 mod = type_module(type, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2909 if (mod == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2910 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2911 else if (!PyUnicode_Check(mod)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2912 Py_DECREF(mod);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2913 mod = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2914 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2915 name = type_name(type, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2916 if (name == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2917 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2918 if (mod != NULL && PyUnicode_CompareWithASCIIString(mod, "builtins"))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2919 rtn = PyUnicode_FromFormat("<%U.%U object at %p>", mod, name, self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2920 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2921 rtn = PyUnicode_FromFormat("<%s object at %p>",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2922 type->tp_name, self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2923 Py_XDECREF(mod);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2924 Py_DECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2925 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
2926 }
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2927
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2928 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2929 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
2930 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2931 unaryfunc f;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2932
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2933 f = Py_TYPE(self)->tp_repr;
71355
b488e027c952 Issue #11603: Fix a crash when __str__ is rebound as __repr__.
Antoine Pitrou <solipsis@pitrou.net>
parents: 70338
diff changeset
2934 if (f == NULL || f == object_str)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2935 f = object_repr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2936 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
2937 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2938
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2939 static PyObject *
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2940 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
2941 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2942 PyObject *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2943
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2944 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2945
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2946 case Py_EQ:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2947 /* Return NotImplemented instead of False, so if two
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2948 objects are compared, both get a chance at the
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2949 comparison. See issue #1393. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2950 res = (self == other) ? Py_True : Py_NotImplemented;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2951 Py_INCREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2952 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2953
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2954 case Py_NE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2955 /* By default, != returns the opposite of ==,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2956 unless the latter returns NotImplemented. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2957 res = PyObject_RichCompare(self, other, Py_EQ);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2958 if (res != NULL && res != Py_NotImplemented) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2959 int ok = PyObject_IsTrue(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2960 Py_DECREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2961 if (ok < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2962 res = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2963 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2964 if (ok)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2965 res = Py_False;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2966 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2967 res = Py_True;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2968 Py_INCREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2969 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2970 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2971 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2972
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2973 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2974 res = Py_NotImplemented;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2975 Py_INCREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2976 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2977 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2978
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2979 return res;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2980 }
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2981
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2982 static PyObject *
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2983 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
2984 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2985 Py_INCREF(Py_TYPE(self));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2986 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
2987 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2988
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2989 static int
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2990 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
2991 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2992 return a == b ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2993 (a != NULL &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2994 b != NULL &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2995 a->tp_basicsize == b->tp_basicsize &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2996 a->tp_itemsize == b->tp_itemsize &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2997 a->tp_dictoffset == b->tp_dictoffset &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2998 a->tp_weaklistoffset == b->tp_weaklistoffset &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
2999 ((a->tp_flags & Py_TPFLAGS_HAVE_GC) ==
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3000 (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
3001 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3002
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3003 static int
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3004 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
3005 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3006 PyTypeObject *base = a->tp_base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3007 Py_ssize_t size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3008 PyObject *slots_a, *slots_b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3009
67647
c59cea218547 Merged revisions 88063 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 67558
diff changeset
3010 assert(base == b->tp_base);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3011 size = base->tp_basicsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3012 if (a->tp_dictoffset == size && b->tp_dictoffset == size)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3013 size += sizeof(PyObject *);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3014 if (a->tp_weaklistoffset == size && b->tp_weaklistoffset == size)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3015 size += sizeof(PyObject *);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3016
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3017 /* Check slots compliance */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3018 slots_a = ((PyHeapTypeObject *)a)->ht_slots;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3019 slots_b = ((PyHeapTypeObject *)b)->ht_slots;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3020 if (slots_a && slots_b) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3021 if (PyObject_RichCompareBool(slots_a, slots_b, Py_EQ) != 1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3022 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3023 size += sizeof(PyObject *) * PyTuple_GET_SIZE(slots_a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3024 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3025 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
3026 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3027
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3028 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
3029 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
3030 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3031 PyTypeObject *newbase, *oldbase;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3032
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3033 if (newto->tp_dealloc != oldto->tp_dealloc ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3034 newto->tp_free != oldto->tp_free)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3035 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3036 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3037 "%s assignment: "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3038 "'%s' deallocator differs from '%s'",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3039 attr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3040 newto->tp_name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3041 oldto->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3042 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3043 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3044 newbase = newto;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3045 oldbase = oldto;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3046 while (equiv_structs(newbase, newbase->tp_base))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3047 newbase = newbase->tp_base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3048 while (equiv_structs(oldbase, oldbase->tp_base))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3049 oldbase = oldbase->tp_base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3050 if (newbase != oldbase &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3051 (newbase->tp_base != oldbase->tp_base ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3052 !same_slots_added(newbase, oldbase))) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3053 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3054 "%s assignment: "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3055 "'%s' object layout differs from '%s'",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3056 attr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3057 newto->tp_name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3058 oldto->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3059 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3060 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3061
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3062 return 1;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3063 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3064
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3065 static int
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3066 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
3067 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3068 PyTypeObject *oldto = Py_TYPE(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3069 PyTypeObject *newto;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3070
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3071 if (value == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3072 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3073 "can't delete __class__ attribute");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3074 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3075 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3076 if (!PyType_Check(value)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3077 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3078 "__class__ must be set to new-style class, not '%s' object",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3079 Py_TYPE(value)->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3080 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3081 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3082 newto = (PyTypeObject *)value;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3083 if (!(newto->tp_flags & Py_TPFLAGS_HEAPTYPE) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3084 !(oldto->tp_flags & Py_TPFLAGS_HEAPTYPE))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3085 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3086 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3087 "__class__ assignment: only for heap types");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3088 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3089 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3090 if (compatible_for_assignment(newto, oldto, "__class__")) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3091 Py_INCREF(newto);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3092 Py_TYPE(self) = newto;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3093 Py_DECREF(oldto);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3094 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3095 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3096 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3097 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3098 }
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3099 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3100
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3101 static PyGetSetDef object_getsets[] = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3102 {"__class__", object_get_class, object_set_class,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3103 PyDoc_STR("the object's class")},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3104 {0}
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3105 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3106
28016
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 /* 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
3109 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
3110 - pickle protocols < 2
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3111 - 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
3112 - 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
3113 */
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3114
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3115 static PyObject *
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3116 import_copyreg(void)
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3117 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3118 static PyObject *copyreg_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3119
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3120 if (!copyreg_str) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3121 copyreg_str = PyUnicode_InternFromString("copyreg");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3122 if (copyreg_str == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3123 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3124 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3125
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3126 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
3127 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3128
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3129 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3130 slotnames(PyObject *cls)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3131 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3132 PyObject *clsdict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3133 PyObject *copyreg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3134 PyObject *slotnames;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3135
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3136 if (!PyType_Check(cls)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3137 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3138 return Py_None;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3139 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3140
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3141 clsdict = ((PyTypeObject *)cls)->tp_dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3142 slotnames = PyDict_GetItemString(clsdict, "__slotnames__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3143 if (slotnames != NULL && PyList_Check(slotnames)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3144 Py_INCREF(slotnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3145 return slotnames;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3146 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3147
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3148 copyreg = import_copyreg();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3149 if (copyreg == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3150 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3151
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3152 slotnames = PyObject_CallMethod(copyreg, "_slotnames", "O", cls);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3153 Py_DECREF(copyreg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3154 if (slotnames != NULL &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3155 slotnames != Py_None &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3156 !PyList_Check(slotnames))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3157 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3158 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3159 "copyreg._slotnames didn't return a list or None");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3160 Py_DECREF(slotnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3161 slotnames = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3162 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3163
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3164 return slotnames;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3165 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3166
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3167 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3168 reduce_2(PyObject *obj)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3169 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3170 PyObject *cls, *getnewargs;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3171 PyObject *args = NULL, *args2 = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3172 PyObject *getstate = NULL, *state = NULL, *names = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3173 PyObject *slots = NULL, *listitems = NULL, *dictitems = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3174 PyObject *copyreg = NULL, *newobj = NULL, *res = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3175 Py_ssize_t i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3176
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3177 cls = PyObject_GetAttrString(obj, "__class__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3178 if (cls == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3179 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3180
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3181 getnewargs = PyObject_GetAttrString(obj, "__getnewargs__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3182 if (getnewargs != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3183 args = PyObject_CallObject(getnewargs, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3184 Py_DECREF(getnewargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3185 if (args != NULL && !PyTuple_Check(args)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3186 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3187 "__getnewargs__ should return a tuple, "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3188 "not '%.200s'", Py_TYPE(args)->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3189 goto end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3190 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3191 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3192 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3193 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3194 args = PyTuple_New(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3195 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3196 if (args == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3197 goto end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3198
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3199 getstate = PyObject_GetAttrString(obj, "__getstate__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3200 if (getstate != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3201 state = PyObject_CallObject(getstate, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3202 Py_DECREF(getstate);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3203 if (state == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3204 goto end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3205 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3206 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3207 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3208 state = PyObject_GetAttrString(obj, "__dict__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3209 if (state == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3210 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3211 state = Py_None;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3212 Py_INCREF(state);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3213 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3214 names = slotnames(cls);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3215 if (names == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3216 goto end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3217 if (names != Py_None) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3218 assert(PyList_Check(names));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3219 slots = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3220 if (slots == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3221 goto end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3222 n = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3223 /* Can't pre-compute the list size; the list
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3224 is stored on the class so accessible to other
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3225 threads, which may be run by DECREF */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3226 for (i = 0; i < PyList_GET_SIZE(names); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3227 PyObject *name, *value;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3228 name = PyList_GET_ITEM(names, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3229 value = PyObject_GetAttr(obj, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3230 if (value == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3231 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3232 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3233 int err = PyDict_SetItem(slots, name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3234 value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3235 Py_DECREF(value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3236 if (err)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3237 goto end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3238 n++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3239 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3240 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3241 if (n) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3242 state = Py_BuildValue("(NO)", state, slots);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3243 if (state == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3244 goto end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3245 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3246 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3247 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3248
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3249 if (!PyList_Check(obj)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3250 listitems = Py_None;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3251 Py_INCREF(listitems);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3252 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3253 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3254 listitems = PyObject_GetIter(obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3255 if (listitems == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3256 goto end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3257 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3258
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3259 if (!PyDict_Check(obj)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3260 dictitems = Py_None;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3261 Py_INCREF(dictitems);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3262 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3263 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3264 PyObject *items = PyObject_CallMethod(obj, "items", "");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3265 if (items == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3266 goto end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3267 dictitems = PyObject_GetIter(items);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3268 Py_DECREF(items);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3269 if (dictitems == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3270 goto end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3271 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3272
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3273 copyreg = import_copyreg();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3274 if (copyreg == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3275 goto end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3276 newobj = PyObject_GetAttrString(copyreg, "__newobj__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3277 if (newobj == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3278 goto end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3279
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3280 n = PyTuple_GET_SIZE(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3281 args2 = PyTuple_New(n+1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3282 if (args2 == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3283 goto end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3284 PyTuple_SET_ITEM(args2, 0, cls);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3285 cls = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3286 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3287 PyObject *v = PyTuple_GET_ITEM(args, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3288 Py_INCREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3289 PyTuple_SET_ITEM(args2, i+1, v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3290 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3291
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3292 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
3293
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3294 end:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3295 Py_XDECREF(cls);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3296 Py_XDECREF(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3297 Py_XDECREF(args2);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3298 Py_XDECREF(slots);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3299 Py_XDECREF(state);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3300 Py_XDECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3301 Py_XDECREF(listitems);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3302 Py_XDECREF(dictitems);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3303 Py_XDECREF(copyreg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3304 Py_XDECREF(newobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3305 return res;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3306 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3307
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3308 /*
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3309 * 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
3310 * were implemented in the same function:
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3311 * - 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
3312 * 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
3313 * 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
3314 * - 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
3315 * __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
3316 * and eventual segfault.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3317 *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3318 * 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
3319 * 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
3320 * 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
3321 * function.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3322 */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3323 static PyObject *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3324 _common_reduce(PyObject *self, int proto)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3325 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3326 PyObject *copyreg, *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3327
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3328 if (proto >= 2)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3329 return reduce_2(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3330
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3331 copyreg = import_copyreg();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3332 if (!copyreg)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3333 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3334
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3335 res = PyEval_CallMethod(copyreg, "_reduce_ex", "(Oi)", self, proto);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3336 Py_DECREF(copyreg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3337
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3338 return res;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3339 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3340
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3341 static PyObject *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3342 object_reduce(PyObject *self, PyObject *args)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3343 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3344 int proto = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3345
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3346 if (!PyArg_ParseTuple(args, "|i:__reduce__", &proto))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3347 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3348
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3349 return _common_reduce(self, proto);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3350 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3351
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3352 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3353 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
3354 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3355 PyObject *reduce, *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3356 int proto = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3357
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3358 if (!PyArg_ParseTuple(args, "|i:__reduce_ex__", &proto))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3359 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3360
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3361 reduce = PyObject_GetAttrString(self, "__reduce__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3362 if (reduce == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3363 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3364 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3365 PyObject *cls, *clsreduce, *objreduce;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3366 int override;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3367 cls = PyObject_GetAttrString(self, "__class__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3368 if (cls == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3369 Py_DECREF(reduce);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3370 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3371 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3372 clsreduce = PyObject_GetAttrString(cls, "__reduce__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3373 Py_DECREF(cls);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3374 if (clsreduce == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3375 Py_DECREF(reduce);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3376 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3377 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3378 objreduce = PyDict_GetItemString(PyBaseObject_Type.tp_dict,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3379 "__reduce__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3380 override = (clsreduce != objreduce);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3381 Py_DECREF(clsreduce);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3382 if (override) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3383 res = PyObject_CallObject(reduce, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3384 Py_DECREF(reduce);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3385 return res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3386 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3387 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3388 Py_DECREF(reduce);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3389 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3390
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3391 return _common_reduce(self, proto);
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3392 }
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3393
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
3394 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
3395 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
3396 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3397 Py_INCREF(Py_NotImplemented);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3398 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
3399 }
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
3400
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
3401 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
3402 "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
3403 "\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
3404 "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
3405 "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
3406 "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
3407 "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
3408
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3409 /*
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3410 from PEP 3101, this code implements:
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3411
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3412 class object:
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3413 def __format__(self, format_spec):
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3414 return format(str(self), format_spec)
42817
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3415 */
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3416 static PyObject *
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3417 object_format(PyObject *self, PyObject *args)
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3418 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3419 PyObject *format_spec;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3420 PyObject *self_as_str = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3421 PyObject *result = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3422
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3423 if (!PyArg_ParseTuple(args, "U:__format__", &format_spec))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3424 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3425
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3426 self_as_str = PyObject_Str(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3427 if (self_as_str != NULL) {
64724
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3428 /* 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
3429 should reject format specifications */
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3430 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
3431 if (PyErr_WarnEx(PyExc_PendingDeprecationWarning,
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3432 "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
3433 "string is deprecated", 1) < 0) {
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3434 goto done;
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3435 }
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3436 /* Eventually this will become an error:
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3437 PyErr_Format(PyExc_TypeError,
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3438 "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
3439 goto done;
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3440 */
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3441 }
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3442
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3443 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
3444 }
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3445
9f55faaa3193 Issue 7994: Make object.__format__() raise a PendingDeprecationWarning
Eric Smith <eric@trueblade.com>
parents: 64283
diff changeset
3446 done:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3447 Py_XDECREF(self_as_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3448
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3449 return result;
42817
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3450 }
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3451
47466
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3452 static PyObject *
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3453 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
3454 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3455 Py_ssize_t res, isize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3456
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3457 res = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3458 isize = self->ob_type->tp_itemsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3459 if (isize > 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3460 res = Py_SIZE(self->ob_type) * isize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3461 res += self->ob_type->tp_basicsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3462
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3463 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
3464 }
58f4b60773fe Merged revisions 63856-63857,63859-63860 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
3465
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3466 static PyMethodDef object_methods[] = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3467 {"__reduce_ex__", object_reduce_ex, METH_VARARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3468 PyDoc_STR("helper for pickle")},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3469 {"__reduce__", object_reduce, METH_VARARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3470 PyDoc_STR("helper for pickle")},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3471 {"__subclasshook__", object_subclasshook, METH_CLASS | METH_VARARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3472 object_subclasshook_doc},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3473 {"__format__", object_format, METH_VARARGS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3474 PyDoc_STR("default object formatter")},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3475 {"__sizeof__", object_sizeof, METH_NOARGS,
70338
310b484ebd91 use '->' to indicate return values
Benjamin Peterson <benjamin@python.org>
parents: 68585
diff changeset
3476 PyDoc_STR("__sizeof__() -> int\nsize of object in memory, in bytes")},
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3477 {0}
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3478 };
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3479
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3480
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3481 PyTypeObject PyBaseObject_Type = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3482 PyVarObject_HEAD_INIT(&PyType_Type, 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3483 "object", /* tp_name */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3484 sizeof(PyObject), /* tp_basicsize */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3485 0, /* tp_itemsize */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3486 object_dealloc, /* tp_dealloc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3487 0, /* tp_print */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3488 0, /* tp_getattr */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3489 0, /* tp_setattr */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3490 0, /* tp_reserved */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3491 object_repr, /* tp_repr */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3492 0, /* tp_as_number */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3493 0, /* tp_as_sequence */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3494 0, /* tp_as_mapping */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3495 (hashfunc)_Py_HashPointer, /* tp_hash */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3496 0, /* tp_call */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3497 object_str, /* tp_str */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3498 PyObject_GenericGetAttr, /* tp_getattro */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3499 PyObject_GenericSetAttr, /* tp_setattro */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3500 0, /* tp_as_buffer */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3501 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3502 PyDoc_STR("The most base type"), /* tp_doc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3503 0, /* tp_traverse */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3504 0, /* tp_clear */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3505 object_richcompare, /* tp_richcompare */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3506 0, /* tp_weaklistoffset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3507 0, /* tp_iter */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3508 0, /* tp_iternext */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3509 object_methods, /* tp_methods */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3510 0, /* tp_members */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3511 object_getsets, /* tp_getset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3512 0, /* tp_base */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3513 0, /* tp_dict */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3514 0, /* tp_descr_get */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3515 0, /* tp_descr_set */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3516 0, /* tp_dictoffset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3517 object_init, /* tp_init */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3518 PyType_GenericAlloc, /* tp_alloc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3519 object_new, /* tp_new */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3520 PyObject_Del, /* tp_free */
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
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
3524 /* 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
3525
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3526 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3527 add_methods(PyTypeObject *type, PyMethodDef *meth)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3528 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3529 PyObject *dict = type->tp_dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3530
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3531 for (; meth->ml_name != NULL; meth++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3532 PyObject *descr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3533 if (PyDict_GetItemString(dict, meth->ml_name) &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3534 !(meth->ml_flags & METH_COEXIST))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3535 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3536 if (meth->ml_flags & METH_CLASS) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3537 if (meth->ml_flags & METH_STATIC) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3538 PyErr_SetString(PyExc_ValueError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3539 "method cannot be both class and static");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3540 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3541 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3542 descr = PyDescr_NewClassMethod(type, meth);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3543 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3544 else if (meth->ml_flags & METH_STATIC) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3545 PyObject *cfunc = PyCFunction_New(meth, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3546 if (cfunc == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3547 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3548 descr = PyStaticMethod_New(cfunc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3549 Py_DECREF(cfunc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3550 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3551 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3552 descr = PyDescr_NewMethod(type, meth);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3553 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3554 if (descr == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3555 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3556 if (PyDict_SetItemString(dict, meth->ml_name, descr) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3557 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3558 Py_DECREF(descr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3559 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3560 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3561 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3562
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3563 static int
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
3564 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
3565 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3566 PyObject *dict = type->tp_dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3567
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3568 for (; memb->name != NULL; memb++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3569 PyObject *descr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3570 if (PyDict_GetItemString(dict, memb->name))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3571 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3572 descr = PyDescr_NewMember(type, memb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3573 if (descr == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3574 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3575 if (PyDict_SetItemString(dict, memb->name, descr) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3576 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3577 Py_DECREF(descr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3578 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3579 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3580 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3581
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3582 static int
20015
ca7af2a5d915 Add optional docstrings to getset descriptors. Fortunately, there's
Guido van Rossum <guido@python.org>
parents: 20012
diff changeset
3583 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
3584 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3585 PyObject *dict = type->tp_dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3586
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3587 for (; gsp->name != NULL; gsp++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3588 PyObject *descr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3589 if (PyDict_GetItemString(dict, gsp->name))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3590 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3591 descr = PyDescr_NewGetSet(type, gsp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3592
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3593 if (descr == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3594 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3595 if (PyDict_SetItemString(dict, gsp->name, descr) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3596 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3597 Py_DECREF(descr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3598 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3599 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3600 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3601
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3602 static void
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3603 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
3604 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3605
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3606 /* Copying basicsize is connected to the GC flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3607 if (!(type->tp_flags & Py_TPFLAGS_HAVE_GC) &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3608 (base->tp_flags & Py_TPFLAGS_HAVE_GC) &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3609 (!type->tp_traverse && !type->tp_clear)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3610 type->tp_flags |= Py_TPFLAGS_HAVE_GC;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3611 if (type->tp_traverse == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3612 type->tp_traverse = base->tp_traverse;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3613 if (type->tp_clear == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3614 type->tp_clear = base->tp_clear;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3615 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3616 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3617 /* The condition below could use some explanation.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3618 It appears that tp_new is not inherited for static types
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3619 whose base class is 'object'; this seems to be a precaution
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3620 so that old extension types don't suddenly become
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3621 callable (object.__new__ wouldn't insure the invariants
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3622 that the extension type's own factory function ensures).
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3623 Heap types, of course, are under our control, so they do
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3624 inherit tp_new; static extension types that specify some
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3625 other built-in type as the default are considered
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3626 new-style-aware so they also inherit object.__new__. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3627 if (base != &PyBaseObject_Type ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3628 (type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3629 if (type->tp_new == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3630 type->tp_new = base->tp_new;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3631 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3632 }
62806
a7c8b4a6678b cleanup basicsize logic #3268
Benjamin Peterson <benjamin@python.org>
parents: 62088
diff changeset
3633 if (type->tp_basicsize == 0)
a7c8b4a6678b cleanup basicsize logic #3268
Benjamin Peterson <benjamin@python.org>
parents: 62088
diff changeset
3634 type->tp_basicsize = base->tp_basicsize;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3635
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3636 /* 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
3637
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3638 #undef COPYVAL
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3639 #define COPYVAL(SLOT) \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3640 if (type->SLOT == 0) type->SLOT = base->SLOT
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3641
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3642 COPYVAL(tp_itemsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3643 COPYVAL(tp_weaklistoffset);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3644 COPYVAL(tp_dictoffset);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3645
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3646 /* Setup fast subclass flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3647 if (PyType_IsSubtype(base, (PyTypeObject*)PyExc_BaseException))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3648 type->tp_flags |= Py_TPFLAGS_BASE_EXC_SUBCLASS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3649 else if (PyType_IsSubtype(base, &PyType_Type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3650 type->tp_flags |= Py_TPFLAGS_TYPE_SUBCLASS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3651 else if (PyType_IsSubtype(base, &PyLong_Type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3652 type->tp_flags |= Py_TPFLAGS_LONG_SUBCLASS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3653 else if (PyType_IsSubtype(base, &PyBytes_Type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3654 type->tp_flags |= Py_TPFLAGS_BYTES_SUBCLASS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3655 else if (PyType_IsSubtype(base, &PyUnicode_Type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3656 type->tp_flags |= Py_TPFLAGS_UNICODE_SUBCLASS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3657 else if (PyType_IsSubtype(base, &PyTuple_Type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3658 type->tp_flags |= Py_TPFLAGS_TUPLE_SUBCLASS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3659 else if (PyType_IsSubtype(base, &PyList_Type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3660 type->tp_flags |= Py_TPFLAGS_LIST_SUBCLASS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3661 else if (PyType_IsSubtype(base, &PyDict_Type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3662 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
3663 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3664
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
3665 static char *hash_name_op[] = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3666 "__eq__",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3667 "__hash__",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3668 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
3669 };
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3670
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3671 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
3672 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
3673 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3674 char **p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3675 PyObject *dict = type->tp_dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3676
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3677 assert(dict != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3678 for (p = hash_name_op; *p; p++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3679 if (PyDict_GetItemString(dict, *p) != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3680 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3681 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3682 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
3683 }
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3684
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3685 static void
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3686 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
3687 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3688 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
3689
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3690 #undef SLOTDEFINED
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3691 #undef COPYSLOT
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3692 #undef COPYNUM
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3693 #undef COPYSEQ
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3694 #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
3695 #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
3696
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3697 #define SLOTDEFINED(SLOT) \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3698 (base->SLOT != 0 && \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3699 (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
3700
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3701 #define COPYSLOT(SLOT) \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3702 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
3703
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3704 #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
3705 #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
3706 #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
3707 #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
3708
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3709 /* This won't inherit indirect slots (from tp_as_number etc.)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3710 if type doesn't provide the space. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3711
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3712 if (type->tp_as_number != NULL && base->tp_as_number != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3713 basebase = base->tp_base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3714 if (basebase->tp_as_number == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3715 basebase = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3716 COPYNUM(nb_add);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3717 COPYNUM(nb_subtract);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3718 COPYNUM(nb_multiply);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3719 COPYNUM(nb_remainder);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3720 COPYNUM(nb_divmod);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3721 COPYNUM(nb_power);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3722 COPYNUM(nb_negative);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3723 COPYNUM(nb_positive);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3724 COPYNUM(nb_absolute);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3725 COPYNUM(nb_bool);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3726 COPYNUM(nb_invert);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3727 COPYNUM(nb_lshift);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3728 COPYNUM(nb_rshift);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3729 COPYNUM(nb_and);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3730 COPYNUM(nb_xor);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3731 COPYNUM(nb_or);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3732 COPYNUM(nb_int);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3733 COPYNUM(nb_float);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3734 COPYNUM(nb_inplace_add);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3735 COPYNUM(nb_inplace_subtract);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3736 COPYNUM(nb_inplace_multiply);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3737 COPYNUM(nb_inplace_remainder);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3738 COPYNUM(nb_inplace_power);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3739 COPYNUM(nb_inplace_lshift);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3740 COPYNUM(nb_inplace_rshift);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3741 COPYNUM(nb_inplace_and);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3742 COPYNUM(nb_inplace_xor);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3743 COPYNUM(nb_inplace_or);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3744 COPYNUM(nb_true_divide);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3745 COPYNUM(nb_floor_divide);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3746 COPYNUM(nb_inplace_true_divide);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3747 COPYNUM(nb_inplace_floor_divide);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3748 COPYNUM(nb_index);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3749 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3750
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3751 if (type->tp_as_sequence != NULL && base->tp_as_sequence != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3752 basebase = base->tp_base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3753 if (basebase->tp_as_sequence == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3754 basebase = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3755 COPYSEQ(sq_length);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3756 COPYSEQ(sq_concat);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3757 COPYSEQ(sq_repeat);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3758 COPYSEQ(sq_item);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3759 COPYSEQ(sq_ass_item);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3760 COPYSEQ(sq_contains);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3761 COPYSEQ(sq_inplace_concat);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3762 COPYSEQ(sq_inplace_repeat);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3763 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3764
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3765 if (type->tp_as_mapping != NULL && base->tp_as_mapping != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3766 basebase = base->tp_base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3767 if (basebase->tp_as_mapping == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3768 basebase = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3769 COPYMAP(mp_length);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3770 COPYMAP(mp_subscript);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3771 COPYMAP(mp_ass_subscript);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3772 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3773
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3774 if (type->tp_as_buffer != NULL && base->tp_as_buffer != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3775 basebase = base->tp_base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3776 if (basebase->tp_as_buffer == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3777 basebase = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3778 COPYBUF(bf_getbuffer);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3779 COPYBUF(bf_releasebuffer);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3780 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3781
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3782 basebase = base->tp_base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3783
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3784 COPYSLOT(tp_dealloc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3785 if (type->tp_getattr == NULL && type->tp_getattro == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3786 type->tp_getattr = base->tp_getattr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3787 type->tp_getattro = base->tp_getattro;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3788 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3789 if (type->tp_setattr == NULL && type->tp_setattro == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3790 type->tp_setattr = base->tp_setattr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3791 type->tp_setattro = base->tp_setattro;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3792 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3793 /* tp_reserved is ignored */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3794 COPYSLOT(tp_repr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3795 /* tp_hash see tp_richcompare */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3796 COPYSLOT(tp_call);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3797 COPYSLOT(tp_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3798 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3799 /* Copy comparison-related slots only when
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3800 not overriding them anywhere */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3801 if (type->tp_richcompare == NULL &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3802 type->tp_hash == NULL &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3803 !overrides_hash(type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3804 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3805 type->tp_richcompare = base->tp_richcompare;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3806 type->tp_hash = base->tp_hash;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3807 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3808 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3809 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3810 COPYSLOT(tp_iter);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3811 COPYSLOT(tp_iternext);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3812 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3813 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3814 COPYSLOT(tp_descr_get);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3815 COPYSLOT(tp_descr_set);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3816 COPYSLOT(tp_dictoffset);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3817 COPYSLOT(tp_init);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3818 COPYSLOT(tp_alloc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3819 COPYSLOT(tp_is_gc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3820 if ((type->tp_flags & Py_TPFLAGS_HAVE_GC) ==
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3821 (base->tp_flags & Py_TPFLAGS_HAVE_GC)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3822 /* They agree about gc. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3823 COPYSLOT(tp_free);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3824 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3825 else if ((type->tp_flags & Py_TPFLAGS_HAVE_GC) &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3826 type->tp_free == NULL &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3827 base->tp_free == PyObject_Free) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3828 /* A bit of magic to plug in the correct default
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3829 * tp_free function when a derived class adds gc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3830 * didn't define tp_free, and the base uses the
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3831 * default non-gc tp_free.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3832 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3833 type->tp_free = PyObject_GC_Del;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3834 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3835 /* else they didn't agree about gc, and there isn't something
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3836 * obvious to be done -- the type is on its own.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3837 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3838 }
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3839 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3840
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
3841 static int add_operators(PyTypeObject *);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3842
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3843 int
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 19036
diff changeset
3844 PyType_Ready(PyTypeObject *type)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3845 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3846 PyObject *dict, *bases;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3847 PyTypeObject *base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3848 Py_ssize_t i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3849
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3850 if (type->tp_flags & Py_TPFLAGS_READY) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3851 assert(type->tp_dict != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3852 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3853 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3854 assert((type->tp_flags & Py_TPFLAGS_READYING) == 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3855
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3856 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
3857
28389
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3858 #ifdef Py_TRACE_REFS
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3859 /* PyType_Ready is the closest thing we have to a choke point
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3860 * for type objects, so is the best place I can think of to try
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3861 * to get type objects into the doubly-linked list of all objects.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3862 * Still, not all type objects go thru PyType_Ready.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3863 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3864 _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
3865 #endif
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3866
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3867 /* Initialize tp_base (defaults to BaseObject unless that's us) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3868 base = type->tp_base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3869 if (base == NULL && type != &PyBaseObject_Type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3870 base = type->tp_base = &PyBaseObject_Type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3871 Py_INCREF(base);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3872 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3873
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3874 /* Now the only way base can still be NULL is if type is
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3875 * &PyBaseObject_Type.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3876 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3877
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3878 /* Initialize the base class */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3879 if (base != NULL && base->tp_dict == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3880 if (PyType_Ready(base) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3881 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3882 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3883
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3884 /* Initialize ob_type if NULL. This means extensions that want to be
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3885 compilable separately on Windows can call PyType_Ready() instead of
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3886 initializing the ob_type field of their type objects. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3887 /* The test for base != NULL is really unnecessary, since base is only
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3888 NULL when type is &PyBaseObject_Type, and we know its ob_type is
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3889 not NULL (it's initialized to &PyType_Type). But coverity doesn't
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3890 know that. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3891 if (Py_TYPE(type) == NULL && base != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3892 Py_TYPE(type) = Py_TYPE(base);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3893
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3894 /* Initialize tp_bases */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3895 bases = type->tp_bases;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3896 if (bases == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3897 if (base == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3898 bases = PyTuple_New(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3899 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3900 bases = PyTuple_Pack(1, base);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3901 if (bases == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3902 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3903 type->tp_bases = bases;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3904 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3905
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3906 /* Initialize tp_dict */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3907 dict = type->tp_dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3908 if (dict == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3909 dict = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3910 if (dict == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3911 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3912 type->tp_dict = dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3913 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3914
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3915 /* Add type-specific descriptors to tp_dict */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3916 if (add_operators(type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3917 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3918 if (type->tp_methods != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3919 if (add_methods(type, type->tp_methods) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3920 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3921 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3922 if (type->tp_members != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3923 if (add_members(type, type->tp_members) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3924 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3925 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3926 if (type->tp_getset != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3927 if (add_getset(type, type->tp_getset) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3928 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3929 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3930
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3931 /* Calculate method resolution order */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3932 if (mro_internal(type) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3933 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3934 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3935
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3936 /* Inherit special flags from dominant base */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3937 if (type->tp_base != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3938 inherit_special(type, type->tp_base);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3939
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3940 /* Initialize tp_dict properly */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3941 bases = type->tp_mro;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3942 assert(bases != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3943 assert(PyTuple_Check(bases));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3944 n = PyTuple_GET_SIZE(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3945 for (i = 1; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3946 PyObject *b = PyTuple_GET_ITEM(bases, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3947 if (PyType_Check(b))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3948 inherit_slots(type, (PyTypeObject *)b);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3949 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3950
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3951 /* Sanity check for tp_free. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3952 if (PyType_IS_GC(type) && (type->tp_flags & Py_TPFLAGS_BASETYPE) &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3953 (type->tp_free == NULL || type->tp_free == PyObject_Del)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3954 /* This base class needs to call tp_free, but doesn't have
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3955 * one, or its tp_free is for non-gc'ed objects.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3956 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3957 PyErr_Format(PyExc_TypeError, "type '%.100s' participates in "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3958 "gc and is a base type but has inappropriate "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3959 "tp_free slot",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3960 type->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3961 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3962 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3963
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3964 /* if the type dictionary doesn't contain a __doc__, set it from
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3965 the tp_doc slot.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3966 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3967 if (PyDict_GetItemString(type->tp_dict, "__doc__") == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3968 if (type->tp_doc != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3969 PyObject *doc = PyUnicode_FromString(type->tp_doc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3970 if (doc == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3971 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3972 PyDict_SetItemString(type->tp_dict, "__doc__", doc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3973 Py_DECREF(doc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3974 } else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3975 PyDict_SetItemString(type->tp_dict,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3976 "__doc__", Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3977 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3978 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3979
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3980 /* Hack for tp_hash and __hash__.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3981 If after all that, tp_hash is still NULL, and __hash__ is not in
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3982 tp_dict, set tp_hash to PyObject_HashNotImplemented and
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3983 tp_dict['__hash__'] equal to None.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3984 This signals that __hash__ is not inherited.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3985 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3986 if (type->tp_hash == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3987 if (PyDict_GetItemString(type->tp_dict, "__hash__") == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3988 if (PyDict_SetItemString(type->tp_dict, "__hash__", Py_None) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3989 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3990 type->tp_hash = PyObject_HashNotImplemented;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3991 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3992 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3993
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3994 /* Some more special stuff */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3995 base = type->tp_base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3996 if (base != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3997 if (type->tp_as_number == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3998 type->tp_as_number = base->tp_as_number;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
3999 if (type->tp_as_sequence == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4000 type->tp_as_sequence = base->tp_as_sequence;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4001 if (type->tp_as_mapping == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4002 type->tp_as_mapping = base->tp_as_mapping;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4003 if (type->tp_as_buffer == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4004 type->tp_as_buffer = base->tp_as_buffer;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4005 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4006
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4007 /* Link into each base class's list of subclasses */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4008 bases = type->tp_bases;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4009 n = PyTuple_GET_SIZE(bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4010 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4011 PyObject *b = PyTuple_GET_ITEM(bases, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4012 if (PyType_Check(b) &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4013 add_subclass((PyTypeObject *)b, type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4014 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4015 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4016
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4017 /* Warn for a type that implements tp_compare (now known as
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4018 tp_reserved) but not tp_richcompare. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4019 if (type->tp_reserved && !type->tp_richcompare) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4020 int error;
63949
fa2d9720a66c Issue #9425: Create PyErr_WarnFormat() function
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63114
diff changeset
4021 error = PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
fa2d9720a66c Issue #9425: Create PyErr_WarnFormat() function
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63114
diff changeset
4022 "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
4023 "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
4024 type->tp_name);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4025 if (error == -1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4026 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4027 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4028
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4029 /* All done -- set the ready flag */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4030 assert(type->tp_dict != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4031 type->tp_flags =
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4032 (type->tp_flags & ~Py_TPFLAGS_READYING) | Py_TPFLAGS_READY;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4033 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
4034
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
4035 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4036 type->tp_flags &= ~Py_TPFLAGS_READYING;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4037 return -1;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4038 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4039
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4040 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
4041 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
4042 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4043 Py_ssize_t i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4044 int result;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4045 PyObject *list, *ref, *newobj;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4046
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4047 list = base->tp_subclasses;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4048 if (list == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4049 base->tp_subclasses = list = PyList_New(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4050 if (list == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4051 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4052 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4053 assert(PyList_Check(list));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4054 newobj = PyWeakref_NewRef((PyObject *)type, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4055 i = PyList_GET_SIZE(list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4056 while (--i >= 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4057 ref = PyList_GET_ITEM(list, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4058 assert(PyWeakref_CheckRef(ref));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4059 if (PyWeakref_GET_OBJECT(ref) == Py_None)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4060 return PyList_SetItem(list, i, newobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4061 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4062 result = PyList_Append(list, newobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4063 Py_DECREF(newobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4064 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
4065 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
4066
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4067 static void
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4068 remove_subclass(PyTypeObject *base, PyTypeObject *type)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4069 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4070 Py_ssize_t i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4071 PyObject *list, *ref;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4072
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4073 list = base->tp_subclasses;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4074 if (list == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4075 return;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4076 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4077 assert(PyList_Check(list));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4078 i = PyList_GET_SIZE(list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4079 while (--i >= 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4080 ref = PyList_GET_ITEM(list, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4081 assert(PyWeakref_CheckRef(ref));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4082 if (PyWeakref_GET_OBJECT(ref) == (PyObject*)type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4083 /* this can't fail, right? */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4084 PySequence_DelItem(list, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4085 return;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4086 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4087 }
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
4088 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4089
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4090 static int
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4091 check_num_args(PyObject *ob, int n)
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4092 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4093 if (!PyTuple_CheckExact(ob)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4094 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4095 "PyArg_UnpackTuple() argument list is not a tuple");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4096 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4097 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4098 if (n == PyTuple_GET_SIZE(ob))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4099 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4100 PyErr_Format(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4101 PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4102 "expected %d arguments, got %zd", n, PyTuple_GET_SIZE(ob));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4103 return 0;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4104 }
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4105
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4106 /* 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
4107
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4108 /* There's a wrapper *function* for each distinct function typedef used
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4109 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
4110 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
4111 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
4112 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
4113
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4114 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4115 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
4116 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4117 lenfunc func = (lenfunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4118 Py_ssize_t res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4119
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4120 if (!check_num_args(args, 0))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4121 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4122 res = (*func)(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4123 if (res == -1 && PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4124 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4125 return PyLong_FromLong((long)res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4126 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4127
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4128 static PyObject *
30670
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4129 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
4130 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4131 inquiry func = (inquiry)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4132 int res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4133
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4134 if (!check_num_args(args, 0))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4135 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4136 res = (*func)(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4137 if (res == -1 && PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4138 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4139 return PyBool_FromLong((long)res);
30670
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4140 }
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4141
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
4142 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4143 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
4144 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4145 binaryfunc func = (binaryfunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4146 PyObject *other;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4147
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4148 if (!check_num_args(args, 1))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4149 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4150 other = PyTuple_GET_ITEM(args, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4151 return (*func)(self, other);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4152 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4153
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4154 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
4155 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
4156 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4157 binaryfunc func = (binaryfunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4158 PyObject *other;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4159
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4160 if (!check_num_args(args, 1))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4161 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4162 other = PyTuple_GET_ITEM(args, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4163 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
4164 }
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4165
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
4166 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4167 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
4168 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4169 binaryfunc func = (binaryfunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4170 PyObject *other;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4171
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4172 if (!check_num_args(args, 1))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4173 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4174 other = PyTuple_GET_ITEM(args, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4175 return (*func)(other, self);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4176 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4177
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
4178 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4179 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
4180 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4181 ternaryfunc func = (ternaryfunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4182 PyObject *other;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4183 PyObject *third = Py_None;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4184
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4185 /* Note: This wrapper only works for __pow__() */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4186
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4187 if (!PyArg_UnpackTuple(args, "", 1, 2, &other, &third))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4188 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4189 return (*func)(self, other, third);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4190 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4191
20168
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4192 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
4193 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
4194 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4195 ternaryfunc func = (ternaryfunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4196 PyObject *other;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4197 PyObject *third = Py_None;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4198
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4199 /* Note: This wrapper only works for __pow__() */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4200
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4201 if (!PyArg_UnpackTuple(args, "", 1, 2, &other, &third))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4202 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4203 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
4204 }
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4205
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4206 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4207 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
4208 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4209 unaryfunc func = (unaryfunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4210
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4211 if (!check_num_args(args, 0))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4212 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4213 return (*func)(self);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4214 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4215
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4216 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
4217 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
4218 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4219 ssizeargfunc func = (ssizeargfunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4220 PyObject* o;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4221 Py_ssize_t i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4222
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4223 if (!PyArg_UnpackTuple(args, "", 1, 1, &o))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4224 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4225 i = PyNumber_AsSsize_t(o, PyExc_OverflowError);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4226 if (i == -1 && PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4227 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4228 return (*func)(self, i);
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
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4231 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
4232 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
4233 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4234 Py_ssize_t i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4235
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4236 i = PyNumber_AsSsize_t(arg, PyExc_OverflowError);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4237 if (i == -1 && PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4238 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4239 if (i < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4240 PySequenceMethods *sq = Py_TYPE(self)->tp_as_sequence;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4241 if (sq && sq->sq_length) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4242 Py_ssize_t n = (*sq->sq_length)(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4243 if (n < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4244 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4245 i += n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4246 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4247 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4248 return i;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4249 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4250
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4251 static PyObject *
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4252 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
4253 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4254 ssizeargfunc func = (ssizeargfunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4255 PyObject *arg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4256 Py_ssize_t i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4257
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4258 if (PyTuple_GET_SIZE(args) == 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4259 arg = PyTuple_GET_ITEM(args, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4260 i = getindex(self, arg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4261 if (i == -1 && PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4262 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4263 return (*func)(self, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4264 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4265 check_num_args(args, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4266 assert(PyErr_Occurred());
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4267 return NULL;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4268 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4269
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4270 static PyObject *
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4271 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
4272 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4273 ssizeobjargproc func = (ssizeobjargproc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4274 Py_ssize_t i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4275 int res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4276 PyObject *arg, *value;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4277
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4278 if (!PyArg_UnpackTuple(args, "", 2, 2, &arg, &value))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4279 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4280 i = getindex(self, arg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4281 if (i == -1 && PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4282 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4283 res = (*func)(self, i, value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4284 if (res == -1 && PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4285 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4286 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4287 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4288 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4289
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4290 static PyObject *
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4291 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
4292 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4293 ssizeobjargproc func = (ssizeobjargproc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4294 Py_ssize_t i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4295 int res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4296 PyObject *arg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4297
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4298 if (!check_num_args(args, 1))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4299 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4300 arg = PyTuple_GET_ITEM(args, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4301 i = getindex(self, arg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4302 if (i == -1 && PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4303 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4304 res = (*func)(self, i, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4305 if (res == -1 && PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4306 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4307 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4308 return Py_None;
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4309 }
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4310
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4311 /* 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
4312 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4313 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
4314 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4315 objobjproc func = (objobjproc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4316 int res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4317 PyObject *value;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4318
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4319 if (!check_num_args(args, 1))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4320 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4321 value = PyTuple_GET_ITEM(args, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4322 res = (*func)(self, value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4323 if (res == -1 && PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4324 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4325 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4326 return PyBool_FromLong(res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4327 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4328
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4329 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4330 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
4331 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4332 objobjargproc func = (objobjargproc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4333 int res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4334 PyObject *key, *value;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4335
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4336 if (!PyArg_UnpackTuple(args, "", 2, 2, &key, &value))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4337 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4338 res = (*func)(self, key, value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4339 if (res == -1 && PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4340 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4341 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4342 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4343 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4344
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4345 static PyObject *
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4346 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
4347 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4348 objobjargproc func = (objobjargproc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4349 int res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4350 PyObject *key;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4351
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4352 if (!check_num_args(args, 1))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4353 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4354 key = PyTuple_GET_ITEM(args, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4355 res = (*func)(self, key, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4356 if (res == -1 && PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4357 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4358 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4359 return Py_None;
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4360 }
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4361
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4362 /* 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
4363 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
4364 static int
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4365 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
4366 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4367 PyTypeObject *type = Py_TYPE(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4368 while (type && type->tp_flags & Py_TPFLAGS_HEAPTYPE)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4369 type = type->tp_base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4370 /* If type is NULL now, this is a really weird type.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4371 In the spirit of backwards compatibility (?), just shut up. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4372 if (type && type->tp_setattro != func) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4373 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4374 "can't apply this %s to %s object",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4375 what,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4376 type->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4377 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4378 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4379 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
4380 }
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4381
18933
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_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
4384 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4385 setattrofunc func = (setattrofunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4386 int res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4387 PyObject *name, *value;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4388
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4389 if (!PyArg_UnpackTuple(args, "", 2, 2, &name, &value))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4390 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4391 if (!hackcheck(self, func, "__setattr__"))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4392 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4393 res = (*func)(self, name, value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4394 if (res < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4395 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4396 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4397 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4398 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4399
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4400 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4401 wrap_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
4402 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4403 setattrofunc func = (setattrofunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4404 int res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4405 PyObject *name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4406
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4407 if (!check_num_args(args, 1))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4408 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4409 name = PyTuple_GET_ITEM(args, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4410 if (!hackcheck(self, func, "__delattr__"))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4411 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4412 res = (*func)(self, name, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4413 if (res < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4414 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4415 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4416 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4417 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4418
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4419 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4420 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
4421 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4422 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
4423 Py_hash_t res;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4424
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4425 if (!check_num_args(args, 0))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4426 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4427 res = (*func)(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4428 if (res == -1 && PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4429 return NULL;
65603
be8ae6b17539 follow up to #9778: define and use an unsigned hash type
Benjamin Peterson <benjamin@python.org>
parents: 65599
diff changeset
4430 return PyLong_FromSsize_t(res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4431 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4432
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4433 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
4434 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
4435 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4436 ternaryfunc func = (ternaryfunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4437
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4438 return (*func)(self, args, kwds);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4439 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4440
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4441 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4442 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
4443 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4444 richcmpfunc func = (richcmpfunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4445 PyObject *other;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4446
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4447 if (!check_num_args(args, 1))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4448 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4449 other = PyTuple_GET_ITEM(args, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4450 return (*func)(self, other, op);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4451 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4452
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4453 #undef RICHCMP_WRAPPER
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4454 #define RICHCMP_WRAPPER(NAME, OP) \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4455 static PyObject * \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4456 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
4457 { \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4458 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
4459 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4460
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
4461 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
4462 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
4463 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
4464 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
4465 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
4466 RICHCMP_WRAPPER(ge, Py_GE)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4467
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4468 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4469 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
4470 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4471 unaryfunc func = (unaryfunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4472 PyObject *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4473
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4474 if (!check_num_args(args, 0))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4475 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4476 res = (*func)(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4477 if (res == NULL && !PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4478 PyErr_SetNone(PyExc_StopIteration);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4479 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4480 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4481
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4482 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4483 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
4484 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4485 descrgetfunc func = (descrgetfunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4486 PyObject *obj;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4487 PyObject *type = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4488
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4489 if (!PyArg_UnpackTuple(args, "", 1, 2, &obj, &type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4490 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4491 if (obj == Py_None)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4492 obj = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4493 if (type == Py_None)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4494 type = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4495 if (type == NULL &&obj == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4496 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4497 "__get__(None, None) is invalid");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4498 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4499 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4500 return (*func)(self, obj, type);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4501 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4502
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4503 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
4504 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
4505 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4506 descrsetfunc func = (descrsetfunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4507 PyObject *obj, *value;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4508 int ret;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4509
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4510 if (!PyArg_UnpackTuple(args, "", 2, 2, &obj, &value))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4511 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4512 ret = (*func)(self, obj, value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4513 if (ret < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4514 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4515 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4516 return Py_None;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4517 }
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
4518
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4519 static PyObject *
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4520 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
4521 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4522 descrsetfunc func = (descrsetfunc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4523 PyObject *obj;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4524 int ret;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4525
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4526 if (!check_num_args(args, 1))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4527 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4528 obj = PyTuple_GET_ITEM(args, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4529 ret = (*func)(self, obj, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4530 if (ret < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4531 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4532 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4533 return Py_None;
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4534 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4535
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4536 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
4537 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
4538 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4539 initproc func = (initproc)wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4540
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4541 if (func(self, args, kwds) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4542 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4543 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4544 return Py_None;
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
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4547 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
4548 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
4549 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4550 PyTypeObject *type, *subtype, *staticbase;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4551 PyObject *arg0, *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4552
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4553 if (self == NULL || !PyType_Check(self))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4554 Py_FatalError("__new__() called with non-type 'self'");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4555 type = (PyTypeObject *)self;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4556 if (!PyTuple_Check(args) || PyTuple_GET_SIZE(args) < 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4557 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4558 "%s.__new__(): not enough arguments",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4559 type->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4560 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4561 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4562 arg0 = PyTuple_GET_ITEM(args, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4563 if (!PyType_Check(arg0)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4564 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4565 "%s.__new__(X): X is not a type object (%s)",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4566 type->tp_name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4567 Py_TYPE(arg0)->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4568 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4569 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4570 subtype = (PyTypeObject *)arg0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4571 if (!PyType_IsSubtype(subtype, type)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4572 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4573 "%s.__new__(%s): %s is not a subtype of %s",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4574 type->tp_name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4575 subtype->tp_name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4576 subtype->tp_name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4577 type->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4578 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4579 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4580
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4581 /* Check that the use doesn't do something silly and unsafe like
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4582 object.__new__(dict). To do this, we check that the
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4583 most derived base that's not a heap type is this type. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4584 staticbase = subtype;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4585 while (staticbase && (staticbase->tp_flags & Py_TPFLAGS_HEAPTYPE))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4586 staticbase = staticbase->tp_base;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4587 /* If staticbase is NULL now, it is a really weird type.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4588 In the spirit of backwards compatibility (?), just shut up. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4589 if (staticbase && staticbase->tp_new != type->tp_new) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4590 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4591 "%s.__new__(%s) is not safe, use %s.__new__()",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4592 type->tp_name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4593 subtype->tp_name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4594 staticbase == NULL ? "?" : staticbase->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4595 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4596 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4597
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4598 args = PyTuple_GetSlice(args, 1, PyTuple_GET_SIZE(args));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4599 if (args == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4600 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4601 res = type->tp_new(subtype, args, kwds);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4602 Py_DECREF(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4603 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4604 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4605
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
4606 static struct PyMethodDef tp_new_methoddef[] = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4607 {"__new__", (PyCFunction)tp_new_wrapper, METH_VARARGS|METH_KEYWORDS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4608 PyDoc_STR("T.__new__(S, ...) -> "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4609 "a new object with type S, a subtype of T")},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4610 {0}
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4611 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4612
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4613 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
4614 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
4615 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4616 PyObject *func;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4617
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4618 if (PyDict_GetItemString(type->tp_dict, "__new__") != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4619 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4620 func = PyCFunction_New(tp_new_methoddef, (PyObject *)type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4621 if (func == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4622 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4623 if (PyDict_SetItemString(type->tp_dict, "__new__", func)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4624 Py_DECREF(func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4625 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4626 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4627 Py_DECREF(func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4628 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
4629 }
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4630
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4631 /* Slot wrappers that call the corresponding __foo__ slot. See comments
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4632 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
4633
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4634 #define SLOT0(FUNCNAME, OPSTR) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4635 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4636 FUNCNAME(PyObject *self) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4637 { \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4638 static PyObject *cache_str; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4639 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
4640 }
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4641
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4642 #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
4643 static PyObject * \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4644 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
4645 { \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4646 static PyObject *cache_str; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4647 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
4648 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4649
27124
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4650 /* 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
4651 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
4652 static int
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4653 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
4654 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4655 PyObject *a, *b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4656 int ok;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4657
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4658 b = PyObject_GetAttrString((PyObject *)(Py_TYPE(right)), name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4659 if (b == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4660 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4661 /* If right doesn't have it, it's not overloaded */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4662 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4663 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4664
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4665 a = PyObject_GetAttrString((PyObject *)(Py_TYPE(left)), name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4666 if (a == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4667 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4668 Py_DECREF(b);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4669 /* If right has it but left doesn't, it's overloaded */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4670 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4671 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4672
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4673 ok = PyObject_RichCompareBool(a, b, Py_NE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4674 Py_DECREF(a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4675 Py_DECREF(b);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4676 if (ok < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4677 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4678 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4679 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4680
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4681 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
4682 }
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4683
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4684
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4685 #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
4686 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4687 FUNCNAME(PyObject *self, PyObject *other) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4688 { \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4689 static PyObject *cache_str, *rcache_str; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4690 int do_other = Py_TYPE(self) != Py_TYPE(other) && \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4691 Py_TYPE(other)->tp_as_number != NULL && \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4692 Py_TYPE(other)->tp_as_number->SLOTNAME == TESTFUNC; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4693 if (Py_TYPE(self)->tp_as_number != NULL && \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4694 Py_TYPE(self)->tp_as_number->SLOTNAME == TESTFUNC) { \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4695 PyObject *r; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4696 if (do_other && \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4697 PyType_IsSubtype(Py_TYPE(other), Py_TYPE(self)) && \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4698 method_is_overloaded(self, other, ROPSTR)) { \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4699 r = call_maybe( \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4700 other, ROPSTR, &rcache_str, "(O)", self); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4701 if (r != Py_NotImplemented) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4702 return r; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4703 Py_DECREF(r); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4704 do_other = 0; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4705 } \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4706 r = call_maybe( \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4707 self, OPSTR, &cache_str, "(O)", other); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4708 if (r != Py_NotImplemented || \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4709 Py_TYPE(other) == Py_TYPE(self)) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4710 return r; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4711 Py_DECREF(r); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4712 } \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4713 if (do_other) { \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4714 return call_maybe( \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4715 other, ROPSTR, &rcache_str, "(O)", self); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4716 } \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4717 Py_INCREF(Py_NotImplemented); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4718 return Py_NotImplemented; \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4719 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4720
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4721 #define SLOT1BIN(FUNCNAME, SLOTNAME, OPSTR, ROPSTR) \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4722 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
4723
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4724 #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
4725 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4726 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
4727 { \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4728 static PyObject *cache_str; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4729 return call_method(self, OPSTR, &cache_str, \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4730 "(" ARGCODES ")", arg1, arg2); \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4731 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4732
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4733 static Py_ssize_t
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4734 slot_sq_length(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4735 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4736 static PyObject *len_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4737 PyObject *res = call_method(self, "__len__", &len_str, "()");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4738 Py_ssize_t len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4739
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4740 if (res == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4741 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4742 len = PyNumber_AsSsize_t(res, PyExc_OverflowError);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4743 Py_DECREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4744 if (len < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4745 if (!PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4746 PyErr_SetString(PyExc_ValueError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4747 "__len__() should return >= 0");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4748 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4749 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4750 return len;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4751 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4752
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4753 /* 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
4754 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
4755 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4756 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
4757 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4758 static PyObject *getitem_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4759 PyObject *func, *args = NULL, *ival = NULL, *retval = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4760 descrgetfunc f;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4761
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4762 if (getitem_str == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4763 getitem_str = PyUnicode_InternFromString("__getitem__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4764 if (getitem_str == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4765 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4766 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4767 func = _PyType_Lookup(Py_TYPE(self), getitem_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4768 if (func != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4769 if ((f = Py_TYPE(func)->tp_descr_get) == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4770 Py_INCREF(func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4771 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4772 func = f(func, self, (PyObject *)(Py_TYPE(self)));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4773 if (func == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4774 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4775 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4776 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4777 ival = PyLong_FromSsize_t(i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4778 if (ival != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4779 args = PyTuple_New(1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4780 if (args != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4781 PyTuple_SET_ITEM(args, 0, ival);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4782 retval = PyObject_Call(func, args, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4783 Py_XDECREF(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4784 Py_XDECREF(func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4785 return retval;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4786 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4787 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4788 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4789 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4790 PyErr_SetObject(PyExc_AttributeError, getitem_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4791 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4792 Py_XDECREF(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4793 Py_XDECREF(ival);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4794 Py_XDECREF(func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4795 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
4796 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4797
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4798 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4799 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
4800 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4801 PyObject *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4802 static PyObject *delitem_str, *setitem_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4803
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4804 if (value == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4805 res = call_method(self, "__delitem__", &delitem_str,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4806 "(n)", index);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4807 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4808 res = call_method(self, "__setitem__", &setitem_str,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4809 "(nO)", index, value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4810 if (res == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4811 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4812 Py_DECREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4813 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4814 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4815
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4816 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4817 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
4818 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4819 PyObject *func, *res, *args;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4820 int result = -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4821
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4822 static PyObject *contains_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4823
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4824 func = lookup_maybe(self, "__contains__", &contains_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4825 if (func != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4826 args = PyTuple_Pack(1, value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4827 if (args == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4828 res = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4829 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4830 res = PyObject_Call(func, args, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4831 Py_DECREF(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4832 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4833 Py_DECREF(func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4834 if (res != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4835 result = PyObject_IsTrue(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4836 Py_DECREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4837 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4838 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4839 else if (! PyErr_Occurred()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4840 /* Possible results: -1 and 1 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4841 result = (int)_PySequence_IterSearch(self, value,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4842 PY_ITERSEARCH_CONTAINS);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4843 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4844 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4845 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4846
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4847 #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
4848
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4849 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
4850
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4851 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4852 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
4853 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4854 PyObject *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4855 static PyObject *delitem_str, *setitem_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4856
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4857 if (value == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4858 res = call_method(self, "__delitem__", &delitem_str,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4859 "(O)", key);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4860 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4861 res = call_method(self, "__setitem__", &setitem_str,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4862 "(OO)", key, value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4863 if (res == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4864 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4865 Py_DECREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4866 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4867 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4868
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4869 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
4870 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
4871 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
4872 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
4873 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
4874
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
4875 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
4876
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4877 SLOT1BINFULL(slot_nb_power_binary, slot_nb_power,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4878 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
4879
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4880 static PyObject *
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4881 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
4882 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4883 static PyObject *pow_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4884
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4885 if (modulus == Py_None)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4886 return slot_nb_power_binary(self, other);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4887 /* Three-arg power doesn't use __rpow__. But ternary_op
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4888 can call this when the second argument's type uses
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4889 slot_nb_power, so check before calling self.__pow__. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4890 if (Py_TYPE(self)->tp_as_number != NULL &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4891 Py_TYPE(self)->tp_as_number->nb_power == slot_nb_power) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4892 return call_method(self, "__pow__", &pow_str,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4893 "(OO)", other, modulus);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4894 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4895 Py_INCREF(Py_NotImplemented);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4896 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
4897 }
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4898
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4899 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
4900 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
4901 SLOT0(slot_nb_absolute, "__abs__")
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4902
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4903 static int
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4904 slot_nb_bool(PyObject *self)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4905 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4906 PyObject *func, *args;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4907 static PyObject *bool_str, *len_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4908 int result = -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4909 int using_len = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4910
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4911 func = lookup_maybe(self, "__bool__", &bool_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4912 if (func == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4913 if (PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4914 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4915 func = lookup_maybe(self, "__len__", &len_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4916 if (func == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4917 return PyErr_Occurred() ? -1 : 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4918 using_len = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4919 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4920 args = PyTuple_New(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4921 if (args != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4922 PyObject *temp = PyObject_Call(func, args, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4923 Py_DECREF(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4924 if (temp != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4925 if (using_len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4926 /* enforced by slot_nb_len */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4927 result = PyObject_IsTrue(temp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4928 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4929 else if (PyBool_Check(temp)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4930 result = PyObject_IsTrue(temp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4931 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4932 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4933 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4934 "__bool__ should return "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4935 "bool, returned %s",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4936 Py_TYPE(temp)->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4937 result = -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4938 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4939 Py_DECREF(temp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4940 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4941 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4942 Py_DECREF(func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4943 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4944 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4945
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4946
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39603
diff changeset
4947 static PyObject *
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4948 slot_nb_index(PyObject *self)
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4949 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4950 static PyObject *index_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4951 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
4952 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4953
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4954
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4955 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
4956 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
4957 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
4958 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
4959 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
4960 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
4961
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4962 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
4963 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
4964 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
4965 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
4966 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
4967 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
4968 /* Can't use SLOT1 here, because nb_inplace_power is ternary */
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4969 static PyObject *
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4970 slot_nb_inplace_power(PyObject *self, PyObject * arg1, PyObject *arg2)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4971 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4972 static PyObject *cache_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4973 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
4974 }
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4975 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
4976 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
4977 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
4978 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
4979 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
4980 SLOT1BIN(slot_nb_floor_divide, nb_floor_divide,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4981 "__floordiv__", "__rfloordiv__")
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4982 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
4983 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
4984 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
4985
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4986 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4987 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
4988 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4989 PyObject *func, *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4990 static PyObject *repr_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4991
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4992 func = lookup_method(self, "__repr__", &repr_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4993 if (func != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4994 res = PyEval_CallObject(func, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4995 Py_DECREF(func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4996 return res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4997 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4998 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
4999 return PyUnicode_FromFormat("<%s object at %p>",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5000 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
5001 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5002
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5003 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5004 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
5005 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5006 PyObject *func, *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5007 static PyObject *str_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5008
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5009 func = lookup_method(self, "__str__", &str_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5010 if (func != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5011 res = PyEval_CallObject(func, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5012 Py_DECREF(func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5013 return res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5014 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5015 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5016 PyObject *ress;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5017 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5018 res = slot_tp_repr(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5019 if (!res)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5020 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5021 ress = _PyUnicode_AsDefaultEncodedString(res, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5022 Py_DECREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5023 return ress;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5024 }
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5025 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5026
65494
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
5027 static Py_hash_t
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5028 slot_tp_hash(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5029 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5030 PyObject *func, *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5031 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
5032 Py_ssize_t h;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5033
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5034 func = lookup_method(self, "__hash__", &hash_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5035
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5036 if (func == Py_None) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5037 Py_DECREF(func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5038 func = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5039 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5040
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5041 if (func == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5042 return PyObject_HashNotImplemented(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5043 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5044
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5045 res = PyEval_CallObject(func, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5046 Py_DECREF(func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5047 if (res == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5048 return -1;
61873
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
5049
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
5050 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
5051 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
5052 "__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
5053 return -1;
0bc8ffe6ba9a Issue #8188: Introduce a new scheme for computing hashes of numbers
Mark Dickinson <dickinsm@gmail.com>
parents: 61722
diff changeset
5054 }
65494
e8969fb822fc make hashes always the size of pointers; introduce Py_hash_t #9778
Benjamin Peterson <benjamin@python.org>
parents: 65067
diff changeset
5055 /* 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
5056 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
5057 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
5058 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
5059 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
5060 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
5061 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
5062 /* 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
5063 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
5064 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
5065 PyErr_Clear();
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5066 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
5067 }
65499
b1bda1ec995f -1 is reserved for errors
Benjamin Peterson <benjamin@python.org>
parents: 65494
diff changeset
5068 /* -1 is reserved for errors. */
b1bda1ec995f -1 is reserved for errors
Benjamin Peterson <benjamin@python.org>
parents: 65494
diff changeset
5069 if (h == -1)
b1bda1ec995f -1 is reserved for errors
Benjamin Peterson <benjamin@python.org>
parents: 65494
diff changeset
5070 h = -2;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5071 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
5072 return h;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5073 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5074
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5075 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5076 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
5077 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5078 static PyObject *call_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5079 PyObject *meth = lookup_method(self, "__call__", &call_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5080 PyObject *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5081
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5082 if (meth == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5083 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5084
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5085 res = PyObject_Call(meth, args, kwds);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5086
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5087 Py_DECREF(meth);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5088 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5089 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5090
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
5091 /* 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
5092
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
5093 - 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
5094 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
5095
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
5096 - 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
5097
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5098 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
5099 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
5100 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
5101
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5102 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5103 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
5104 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5105 static PyObject *getattribute_str = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5106 return call_method(self, "__getattribute__", &getattribute_str,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5107 "(O)", name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5108 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5109
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5110 static PyObject *
49742
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5111 call_attribute(PyObject *self, PyObject *attr, PyObject *name)
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5112 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5113 PyObject *res, *descr = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5114 descrgetfunc f = Py_TYPE(attr)->tp_descr_get;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5115
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5116 if (f != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5117 descr = f(attr, self, (PyObject *)(Py_TYPE(self)));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5118 if (descr == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5119 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5120 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5121 attr = descr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5122 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5123 res = PyObject_CallFunctionObjArgs(attr, name, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5124 Py_XDECREF(descr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5125 return res;
49742
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5126 }
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5127
356c3e18da5e Merged revisions 67246 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49518
diff changeset
5128 static PyObject *
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5129 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
5130 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5131 PyTypeObject *tp = Py_TYPE(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5132 PyObject *getattr, *getattribute, *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5133 static PyObject *getattribute_str = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5134 static PyObject *getattr_str = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5135
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5136 if (getattr_str == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5137 getattr_str = PyUnicode_InternFromString("__getattr__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5138 if (getattr_str == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5139 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5140 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5141 if (getattribute_str == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5142 getattribute_str =
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5143 PyUnicode_InternFromString("__getattribute__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5144 if (getattribute_str == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5145 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5146 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5147 /* speed hack: we could use lookup_maybe, but that would resolve the
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5148 method fully for each attribute lookup for classes with
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5149 __getattr__, even when the attribute is present. So we use
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5150 _PyType_Lookup and create the method only when needed, with
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5151 call_attribute. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5152 getattr = _PyType_Lookup(tp, getattr_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5153 if (getattr == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5154 /* No __getattr__ hook: use a simpler dispatcher */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5155 tp->tp_getattro = slot_tp_getattro;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5156 return slot_tp_getattro(self, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5157 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5158 Py_INCREF(getattr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5159 /* speed hack: we could use lookup_maybe, but that would resolve the
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5160 method fully for each attribute lookup for classes with
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5161 __getattr__, even when self has the default __getattribute__
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5162 method. So we use _PyType_Lookup and create the method only when
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5163 needed, with call_attribute. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5164 getattribute = _PyType_Lookup(tp, getattribute_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5165 if (getattribute == NULL ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5166 (Py_TYPE(getattribute) == &PyWrapperDescr_Type &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5167 ((PyWrapperDescrObject *)getattribute)->d_wrapped ==
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5168 (void *)PyObject_GenericGetAttr))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5169 res = PyObject_GenericGetAttr(self, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5170 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5171 Py_INCREF(getattribute);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5172 res = call_attribute(self, getattribute, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5173 Py_DECREF(getattribute);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5174 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5175 if (res == NULL && PyErr_ExceptionMatches(PyExc_AttributeError)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5176 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5177 res = call_attribute(self, getattr, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5178 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5179 Py_DECREF(getattr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5180 return res;
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5181 }
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5182
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5183 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5184 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
5185 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5186 PyObject *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5187 static PyObject *delattr_str, *setattr_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5188
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5189 if (value == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5190 res = call_method(self, "__delattr__", &delattr_str,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5191 "(O)", name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5192 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5193 res = call_method(self, "__setattr__", &setattr_str,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5194 "(OO)", name, value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5195 if (res == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5196 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5197 Py_DECREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5198 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5199 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5200
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5201 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
5202 "__lt__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5203 "__le__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5204 "__eq__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5205 "__ne__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5206 "__gt__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5207 "__ge__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5208 };
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5209
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5210 static PyObject *
57273
c5099818e0d4 Issue #6970: Remove redundant calls made when comparing objects.
Mark Dickinson <dickinsm@gmail.com>
parents: 55399
diff changeset
5211 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
5212 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5213 PyObject *func, *args, *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5214 static PyObject *op_str[6];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5215
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5216 func = lookup_method(self, name_op[op], &op_str[op]);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5217 if (func == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5218 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5219 Py_INCREF(Py_NotImplemented);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5220 return Py_NotImplemented;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5221 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5222 args = PyTuple_Pack(1, other);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5223 if (args == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5224 res = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5225 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5226 res = PyObject_Call(func, args, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5227 Py_DECREF(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5228 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5229 Py_DECREF(func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5230 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5231 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5232
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5233 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5234 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
5235 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5236 PyObject *func, *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5237 static PyObject *iter_str, *getitem_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5238
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5239 func = lookup_method(self, "__iter__", &iter_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5240 if (func != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5241 PyObject *args;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5242 args = res = PyTuple_New(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5243 if (args != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5244 res = PyObject_Call(func, args, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5245 Py_DECREF(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5246 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5247 Py_DECREF(func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5248 return res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5249 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5250 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5251 func = lookup_method(self, "__getitem__", &getitem_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5252 if (func == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5253 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5254 "'%.200s' object is not iterable",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5255 Py_TYPE(self)->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5256 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5257 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5258 Py_DECREF(func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5259 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
5260 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5261
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5262 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5263 slot_tp_iternext(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5264 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5265 static PyObject *next_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5266 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
5267 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5268
19339
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5269 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
5270 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
5271 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5272 PyTypeObject *tp = Py_TYPE(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5273 PyObject *get;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5274 static PyObject *get_str = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5275
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5276 if (get_str == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5277 get_str = PyUnicode_InternFromString("__get__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5278 if (get_str == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5279 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5280 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5281 get = _PyType_Lookup(tp, get_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5282 if (get == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5283 /* Avoid further slowdowns */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5284 if (tp->tp_descr_get == slot_tp_descr_get)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5285 tp->tp_descr_get = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5286 Py_INCREF(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5287 return self;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5288 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5289 if (obj == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5290 obj = Py_None;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5291 if (type == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5292 type = Py_None;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5293 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
5294 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5295
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5296 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5297 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
5298 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5299 PyObject *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5300 static PyObject *del_str, *set_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5301
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5302 if (value == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5303 res = call_method(self, "__delete__", &del_str,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5304 "(O)", target);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5305 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5306 res = call_method(self, "__set__", &set_str,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5307 "(OO)", target, value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5308 if (res == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5309 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5310 Py_DECREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5311 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5312 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5313
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5314 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5315 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
5316 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5317 static PyObject *init_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5318 PyObject *meth = lookup_method(self, "__init__", &init_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5319 PyObject *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5320
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5321 if (meth == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5322 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5323 res = PyObject_Call(meth, args, kwds);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5324 Py_DECREF(meth);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5325 if (res == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5326 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5327 if (res != Py_None) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5328 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5329 "__init__() should return None, not '%.200s'",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5330 Py_TYPE(res)->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5331 Py_DECREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5332 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5333 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5334 Py_DECREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5335 return 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5336 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5337
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5338 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5339 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
5340 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5341 static PyObject *new_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5342 PyObject *func;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5343 PyObject *newargs, *x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5344 Py_ssize_t i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5345
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5346 if (new_str == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5347 new_str = PyUnicode_InternFromString("__new__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5348 if (new_str == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5349 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5350 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5351 func = PyObject_GetAttr((PyObject *)type, new_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5352 if (func == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5353 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5354 assert(PyTuple_Check(args));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5355 n = PyTuple_GET_SIZE(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5356 newargs = PyTuple_New(n+1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5357 if (newargs == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5358 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5359 Py_INCREF(type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5360 PyTuple_SET_ITEM(newargs, 0, (PyObject *)type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5361 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5362 x = PyTuple_GET_ITEM(args, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5363 Py_INCREF(x);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5364 PyTuple_SET_ITEM(newargs, i+1, x);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5365 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5366 x = PyObject_Call(func, newargs, kwds);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5367 Py_DECREF(newargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5368 Py_DECREF(func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5369 return x;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5370 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5371
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5372 static void
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5373 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
5374 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5375 static PyObject *del_str = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5376 PyObject *del, *res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5377 PyObject *error_type, *error_value, *error_traceback;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5378
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5379 /* Temporarily resurrect the object. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5380 assert(self->ob_refcnt == 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5381 self->ob_refcnt = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5382
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5383 /* Save the current exception, if any. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5384 PyErr_Fetch(&error_type, &error_value, &error_traceback);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5385
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5386 /* Execute __del__ method, if any. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5387 del = lookup_maybe(self, "__del__", &del_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5388 if (del != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5389 res = PyEval_CallObject(del, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5390 if (res == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5391 PyErr_WriteUnraisable(del);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5392 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5393 Py_DECREF(res);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5394 Py_DECREF(del);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5395 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5396
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5397 /* Restore the saved exception. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5398 PyErr_Restore(error_type, error_value, error_traceback);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5399
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5400 /* Undo the temporary resurrection; can't use DECREF here, it would
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5401 * cause a recursive call.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5402 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5403 assert(self->ob_refcnt > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5404 if (--self->ob_refcnt == 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5405 return; /* this is the normal path out */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5406
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5407 /* __del__ resurrected it! Make it look like the original Py_DECREF
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5408 * never happened.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5409 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5410 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5411 Py_ssize_t refcnt = self->ob_refcnt;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5412 _Py_NewReference(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5413 self->ob_refcnt = refcnt;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5414 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5415 assert(!PyType_IS_GC(Py_TYPE(self)) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5416 _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5417 /* If Py_REF_DEBUG, _Py_NewReference bumped _Py_RefTotal, so
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5418 * we need to undo that. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5419 _Py_DEC_REFTOTAL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5420 /* If Py_TRACE_REFS, _Py_NewReference re-added self to the object
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5421 * chain, so no more to do there.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5422 * If COUNT_ALLOCS, the original decref bumped tp_frees, and
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5423 * _Py_NewReference bumped tp_allocs: both of those need to be
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5424 * undone.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5425 */
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5426 #ifdef COUNT_ALLOCS
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5427 --Py_TYPE(self)->tp_frees;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5428 --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
5429 #endif
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5430 }
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5431
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5432
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5433 /* 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
5434 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
5435 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
5436 sequences and mappings.
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5437 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
5438 __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
5439 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
5440 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
5441 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
5442
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5443 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
5444
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5445 #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
5446 #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
5447 #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
5448 #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
5449 #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
5450 #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
5451 #undef UNSLOT
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5452 #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
5453 #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
5454 #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
5455
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5456 #define TPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61467
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parents: 59858
diff changeset
5457 {NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5458 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
5459 #define FLSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC, FLAGS) \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5460 {NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5461 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
5462 #define ETSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5463 {NAME, offsetof(PyHeapTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5464 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
5465 #define SQSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5466 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
5467 #define MPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5468 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
5469 #define NBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5470 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
5471 #define UNSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5472 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5473 "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
5474 #define IBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5475 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5476 "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
5477 #define BINSLOT(NAME, SLOT, FUNCTION, DOC) \
61467
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parents: 59858
diff changeset
5478 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5479 "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
5480 #define RBINSLOT(NAME, SLOT, FUNCTION, DOC) \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5481 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5482 "x." NAME "(y) <==> y" DOC "x")
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5483 #define BINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5484 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5485 "x." NAME "(y) <==> " DOC)
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5486 #define RBINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5487 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5488 "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
5489
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5490 static slotdef slotdefs[] = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5491 SQSLOT("__len__", sq_length, slot_sq_length, wrap_lenfunc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5492 "x.__len__() <==> len(x)"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5493 /* Heap types defining __add__/__mul__ have sq_concat/sq_repeat == NULL.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5494 The logic in abstract.c always falls back to nb_add/nb_multiply in
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5495 this case. Defining both the nb_* and the sq_* slots to call the
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5496 user-defined methods has unexpected side-effects, as shown by
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5497 test_descr.notimplemented() */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5498 SQSLOT("__add__", sq_concat, NULL, wrap_binaryfunc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5499 "x.__add__(y) <==> x+y"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5500 SQSLOT("__mul__", sq_repeat, NULL, wrap_indexargfunc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5501 "x.__mul__(n) <==> x*n"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5502 SQSLOT("__rmul__", sq_repeat, NULL, wrap_indexargfunc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5503 "x.__rmul__(n) <==> n*x"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5504 SQSLOT("__getitem__", sq_item, slot_sq_item, wrap_sq_item,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5505 "x.__getitem__(y) <==> x[y]"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5506 SQSLOT("__setitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_setitem,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5507 "x.__setitem__(i, y) <==> x[i]=y"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5508 SQSLOT("__delitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_delitem,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5509 "x.__delitem__(y) <==> del x[y]"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5510 SQSLOT("__contains__", sq_contains, slot_sq_contains, wrap_objobjproc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5511 "x.__contains__(y) <==> y in x"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5512 SQSLOT("__iadd__", sq_inplace_concat, NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5513 wrap_binaryfunc, "x.__iadd__(y) <==> x+=y"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5514 SQSLOT("__imul__", sq_inplace_repeat, NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5515 wrap_indexargfunc, "x.__imul__(y) <==> x*=y"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5516
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5517 MPSLOT("__len__", mp_length, slot_mp_length, wrap_lenfunc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5518 "x.__len__() <==> len(x)"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5519 MPSLOT("__getitem__", mp_subscript, slot_mp_subscript,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5520 wrap_binaryfunc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5521 "x.__getitem__(y) <==> x[y]"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5522 MPSLOT("__setitem__", mp_ass_subscript, slot_mp_ass_subscript,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5523 wrap_objobjargproc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5524 "x.__setitem__(i, y) <==> x[i]=y"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5525 MPSLOT("__delitem__", mp_ass_subscript, slot_mp_ass_subscript,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5526 wrap_delitem,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5527 "x.__delitem__(y) <==> del x[y]"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5528
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5529 BINSLOT("__add__", nb_add, slot_nb_add,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5530 "+"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5531 RBINSLOT("__radd__", nb_add, slot_nb_add,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5532 "+"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5533 BINSLOT("__sub__", nb_subtract, slot_nb_subtract,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5534 "-"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5535 RBINSLOT("__rsub__", nb_subtract, slot_nb_subtract,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5536 "-"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5537 BINSLOT("__mul__", nb_multiply, slot_nb_multiply,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5538 "*"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5539 RBINSLOT("__rmul__", nb_multiply, slot_nb_multiply,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5540 "*"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5541 BINSLOT("__mod__", nb_remainder, slot_nb_remainder,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5542 "%"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5543 RBINSLOT("__rmod__", nb_remainder, slot_nb_remainder,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5544 "%"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5545 BINSLOTNOTINFIX("__divmod__", nb_divmod, slot_nb_divmod,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5546 "divmod(x, y)"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5547 RBINSLOTNOTINFIX("__rdivmod__", nb_divmod, slot_nb_divmod,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5548 "divmod(y, x)"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5549 NBSLOT("__pow__", nb_power, slot_nb_power, wrap_ternaryfunc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5550 "x.__pow__(y[, z]) <==> pow(x, y[, z])"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5551 NBSLOT("__rpow__", nb_power, slot_nb_power, wrap_ternaryfunc_r,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5552 "y.__rpow__(x[, z]) <==> pow(x, y[, z])"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5553 UNSLOT("__neg__", nb_negative, slot_nb_negative, wrap_unaryfunc, "-x"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5554 UNSLOT("__pos__", nb_positive, slot_nb_positive, wrap_unaryfunc, "+x"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5555 UNSLOT("__abs__", nb_absolute, slot_nb_absolute, wrap_unaryfunc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5556 "abs(x)"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5557 UNSLOT("__bool__", nb_bool, slot_nb_bool, wrap_inquirypred,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5558 "x != 0"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5559 UNSLOT("__invert__", nb_invert, slot_nb_invert, wrap_unaryfunc, "~x"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5560 BINSLOT("__lshift__", nb_lshift, slot_nb_lshift, "<<"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5561 RBINSLOT("__rlshift__", nb_lshift, slot_nb_lshift, "<<"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5562 BINSLOT("__rshift__", nb_rshift, slot_nb_rshift, ">>"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5563 RBINSLOT("__rrshift__", nb_rshift, slot_nb_rshift, ">>"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5564 BINSLOT("__and__", nb_and, slot_nb_and, "&"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5565 RBINSLOT("__rand__", nb_and, slot_nb_and, "&"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5566 BINSLOT("__xor__", nb_xor, slot_nb_xor, "^"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5567 RBINSLOT("__rxor__", nb_xor, slot_nb_xor, "^"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5568 BINSLOT("__or__", nb_or, slot_nb_or, "|"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5569 RBINSLOT("__ror__", nb_or, slot_nb_or, "|"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5570 UNSLOT("__int__", nb_int, slot_nb_int, wrap_unaryfunc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5571 "int(x)"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5572 UNSLOT("__float__", nb_float, slot_nb_float, wrap_unaryfunc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5573 "float(x)"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5574 NBSLOT("__index__", nb_index, slot_nb_index, wrap_unaryfunc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5575 "x[y:z] <==> x[y.__index__():z.__index__()]"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5576 IBSLOT("__iadd__", nb_inplace_add, slot_nb_inplace_add,
73500
9fbaa190f011 Issue #13161: fix doc strings of __i*__ operators
Eli Bendersky <eliben@gmail.com>
parents: 73061
diff changeset
5577 wrap_binaryfunc, "+="),
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5578 IBSLOT("__isub__", nb_inplace_subtract, slot_nb_inplace_subtract,
73500
9fbaa190f011 Issue #13161: fix doc strings of __i*__ operators
Eli Bendersky <eliben@gmail.com>
parents: 73061
diff changeset
5579 wrap_binaryfunc, "-="),
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5580 IBSLOT("__imul__", nb_inplace_multiply, slot_nb_inplace_multiply,
73500
9fbaa190f011 Issue #13161: fix doc strings of __i*__ operators
Eli Bendersky <eliben@gmail.com>
parents: 73061
diff changeset
5581 wrap_binaryfunc, "*="),
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5582 IBSLOT("__imod__", nb_inplace_remainder, slot_nb_inplace_remainder,
73500
9fbaa190f011 Issue #13161: fix doc strings of __i*__ operators
Eli Bendersky <eliben@gmail.com>
parents: 73061
diff changeset
5583 wrap_binaryfunc, "%="),
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5584 IBSLOT("__ipow__", nb_inplace_power, slot_nb_inplace_power,
73500
9fbaa190f011 Issue #13161: fix doc strings of __i*__ operators
Eli Bendersky <eliben@gmail.com>
parents: 73061
diff changeset
5585 wrap_binaryfunc, "**="),
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5586 IBSLOT("__ilshift__", nb_inplace_lshift, slot_nb_inplace_lshift,
73500
9fbaa190f011 Issue #13161: fix doc strings of __i*__ operators
Eli Bendersky <eliben@gmail.com>
parents: 73061
diff changeset
5587 wrap_binaryfunc, "<<="),
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5588 IBSLOT("__irshift__", nb_inplace_rshift, slot_nb_inplace_rshift,
73500
9fbaa190f011 Issue #13161: fix doc strings of __i*__ operators
Eli Bendersky <eliben@gmail.com>
parents: 73061
diff changeset
5589 wrap_binaryfunc, ">>="),
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5590 IBSLOT("__iand__", nb_inplace_and, slot_nb_inplace_and,
73500
9fbaa190f011 Issue #13161: fix doc strings of __i*__ operators
Eli Bendersky <eliben@gmail.com>
parents: 73061
diff changeset
5591 wrap_binaryfunc, "&="),
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5592 IBSLOT("__ixor__", nb_inplace_xor, slot_nb_inplace_xor,
73500
9fbaa190f011 Issue #13161: fix doc strings of __i*__ operators
Eli Bendersky <eliben@gmail.com>
parents: 73061
diff changeset
5593 wrap_binaryfunc, "^="),
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5594 IBSLOT("__ior__", nb_inplace_or, slot_nb_inplace_or,
73500
9fbaa190f011 Issue #13161: fix doc strings of __i*__ operators
Eli Bendersky <eliben@gmail.com>
parents: 73061
diff changeset
5595 wrap_binaryfunc, "|="),
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
5596 BINSLOT("__floordiv__", nb_floor_divide, slot_nb_floor_divide, "//"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
5597 RBINSLOT("__rfloordiv__", nb_floor_divide, slot_nb_floor_divide, "//"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5598 BINSLOT("__truediv__", nb_true_divide, slot_nb_true_divide, "/"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5599 RBINSLOT("__rtruediv__", nb_true_divide, slot_nb_true_divide, "/"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5600 IBSLOT("__ifloordiv__", nb_inplace_floor_divide,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5601 slot_nb_inplace_floor_divide, wrap_binaryfunc, "//"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5602 IBSLOT("__itruediv__", nb_inplace_true_divide,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5603 slot_nb_inplace_true_divide, wrap_binaryfunc, "/"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5604
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5605 TPSLOT("__str__", tp_str, slot_tp_str, wrap_unaryfunc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5606 "x.__str__() <==> str(x)"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5607 TPSLOT("__repr__", tp_repr, slot_tp_repr, wrap_unaryfunc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5608 "x.__repr__() <==> repr(x)"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5609 TPSLOT("__hash__", tp_hash, slot_tp_hash, wrap_hashfunc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5610 "x.__hash__() <==> hash(x)"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5611 FLSLOT("__call__", tp_call, slot_tp_call, (wrapperfunc)wrap_call,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5612 "x.__call__(...) <==> x(...)", PyWrapperFlag_KEYWORDS),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5613 TPSLOT("__getattribute__", tp_getattro, slot_tp_getattr_hook,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5614 wrap_binaryfunc, "x.__getattribute__('name') <==> x.name"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5615 TPSLOT("__getattribute__", tp_getattr, NULL, NULL, ""),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5616 TPSLOT("__getattr__", tp_getattro, slot_tp_getattr_hook, NULL, ""),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5617 TPSLOT("__getattr__", tp_getattr, NULL, NULL, ""),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5618 TPSLOT("__setattr__", tp_setattro, slot_tp_setattro, wrap_setattr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5619 "x.__setattr__('name', value) <==> x.name = value"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5620 TPSLOT("__setattr__", tp_setattr, NULL, NULL, ""),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5621 TPSLOT("__delattr__", tp_setattro, slot_tp_setattro, wrap_delattr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5622 "x.__delattr__('name') <==> del x.name"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5623 TPSLOT("__delattr__", tp_setattr, NULL, NULL, ""),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5624 TPSLOT("__lt__", tp_richcompare, slot_tp_richcompare, richcmp_lt,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5625 "x.__lt__(y) <==> x<y"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5626 TPSLOT("__le__", tp_richcompare, slot_tp_richcompare, richcmp_le,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5627 "x.__le__(y) <==> x<=y"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5628 TPSLOT("__eq__", tp_richcompare, slot_tp_richcompare, richcmp_eq,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5629 "x.__eq__(y) <==> x==y"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5630 TPSLOT("__ne__", tp_richcompare, slot_tp_richcompare, richcmp_ne,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5631 "x.__ne__(y) <==> x!=y"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5632 TPSLOT("__gt__", tp_richcompare, slot_tp_richcompare, richcmp_gt,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5633 "x.__gt__(y) <==> x>y"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5634 TPSLOT("__ge__", tp_richcompare, slot_tp_richcompare, richcmp_ge,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5635 "x.__ge__(y) <==> x>=y"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5636 TPSLOT("__iter__", tp_iter, slot_tp_iter, wrap_unaryfunc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5637 "x.__iter__() <==> iter(x)"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5638 TPSLOT("__next__", tp_iternext, slot_tp_iternext, wrap_next,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5639 "x.__next__() <==> next(x)"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5640 TPSLOT("__get__", tp_descr_get, slot_tp_descr_get, wrap_descr_get,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5641 "descr.__get__(obj[, type]) -> value"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5642 TPSLOT("__set__", tp_descr_set, slot_tp_descr_set, wrap_descr_set,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5643 "descr.__set__(obj, value)"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5644 TPSLOT("__delete__", tp_descr_set, slot_tp_descr_set,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5645 wrap_descr_delete, "descr.__delete__(obj)"),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5646 FLSLOT("__init__", tp_init, slot_tp_init, (wrapperfunc)wrap_init,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5647 "x.__init__(...) initializes x; "
64077
4085cc560e9e Merged revisions 84106 via svnmerge from
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 61467
diff changeset
5648 "see help(type(x)) for signature",
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5649 PyWrapperFlag_KEYWORDS),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5650 TPSLOT("__new__", tp_new, slot_tp_new, NULL, ""),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5651 TPSLOT("__del__", tp_del, slot_tp_del, NULL, ""),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5652 {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
5653 };
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5654
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5655 /* Given a type pointer and an offset gotten from a slotdef entry, return a
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5656 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
5657 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
5658 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
5659 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
5660 static void **
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5661 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
5662 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5663 char *ptr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5664 long offset = ioffset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5665
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5666 /* Note: this depends on the order of the members of PyHeapTypeObject! */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5667 assert(offset >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5668 assert((size_t)offset < offsetof(PyHeapTypeObject, as_buffer));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5669 if ((size_t)offset >= offsetof(PyHeapTypeObject, as_sequence)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5670 ptr = (char *)type->tp_as_sequence;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5671 offset -= offsetof(PyHeapTypeObject, as_sequence);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5672 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5673 else if ((size_t)offset >= offsetof(PyHeapTypeObject, as_mapping)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5674 ptr = (char *)type->tp_as_mapping;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5675 offset -= offsetof(PyHeapTypeObject, as_mapping);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5676 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5677 else if ((size_t)offset >= offsetof(PyHeapTypeObject, as_number)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5678 ptr = (char *)type->tp_as_number;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5679 offset -= offsetof(PyHeapTypeObject, as_number);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5680 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5681 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5682 ptr = (char *)type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5683 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5684 if (ptr != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5685 ptr += offset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5686 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
5687 }
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
5688
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5689 /* 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
5690 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
5691 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
5692 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
5693 #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
5694
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5695 /* 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
5696 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
5697 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
5698 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
5699 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5700 /* XXX Maybe this could be optimized more -- but is it worth it? */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
5701
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5702 /* pname and ptrs act as a little cache */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5703 static PyObject *pname;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5704 static slotdef *ptrs[MAX_EQUIV];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5705 slotdef *p, **pp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5706 void **res, **ptr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5707
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5708 if (pname != name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5709 /* Collect all slotdefs that match name into ptrs. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5710 pname = name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5711 pp = ptrs;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5712 for (p = slotdefs; p->name_strobj; p++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5713 if (p->name_strobj == name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5714 *pp++ = p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5715 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5716 *pp = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5717 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5718
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5719 /* Look in all matching slots of the type; if exactly one of these has
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5720 a filled-in slot, return its value. Otherwise return NULL. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5721 res = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5722 for (pp = ptrs; *pp; pp++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5723 ptr = slotptr(type, (*pp)->offset);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5724 if (ptr == NULL || *ptr == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5725 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5726 if (res != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5727 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5728 res = ptr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5729 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5730 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
5731 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5732
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5733 /* 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
5734 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
5735 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
5736 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
5737 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
5738 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
5739 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
5740 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
5741 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5742 PyObject *descr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5743 PyWrapperDescrObject *d;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5744 void *generic = NULL, *specific = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5745 int use_generic = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5746 int offset = p->offset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5747 void **ptr = slotptr(type, offset);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5748
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5749 if (ptr == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5750 do {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5751 ++p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5752 } while (p->offset == offset);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5753 return p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5754 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5755 do {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5756 descr = _PyType_Lookup(type, p->name_strobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5757 if (descr == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5758 if (ptr == (void**)&type->tp_iternext) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5759 specific = _PyObject_NextNotImplemented;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5760 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5761 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5762 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5763 if (Py_TYPE(descr) == &PyWrapperDescr_Type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5764 void **tptr = resolve_slotdups(type, p->name_strobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5765 if (tptr == NULL || tptr == ptr)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5766 generic = p->function;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5767 d = (PyWrapperDescrObject *)descr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5768 if (d->d_base->wrapper == p->wrapper &&
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59538
diff changeset
5769 PyType_IsSubtype(type, PyDescr_TYPE(d)))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5770 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5771 if (specific == NULL ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5772 specific == d->d_wrapped)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5773 specific = d->d_wrapped;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5774 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5775 use_generic = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5776 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5777 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5778 else if (Py_TYPE(descr) == &PyCFunction_Type &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5779 PyCFunction_GET_FUNCTION(descr) ==
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5780 (PyCFunction)tp_new_wrapper &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5781 ptr == (void**)&type->tp_new)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5782 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5783 /* The __new__ wrapper is not a wrapper descriptor,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5784 so must be special-cased differently.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5785 If we don't do this, creating an instance will
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5786 always use slot_tp_new which will look up
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5787 __new__ in the MRO which will call tp_new_wrapper
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5788 which will look through the base classes looking
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5789 for a static base and call its tp_new (usually
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5790 PyType_GenericNew), after performing various
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5791 sanity checks and constructing a new argument
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5792 list. Cut all that nonsense short -- this speeds
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5793 up instance creation tremendously. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5794 specific = (void *)type->tp_new;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5795 /* XXX I'm not 100% sure that there isn't a hole
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5796 in this reasoning that requires additional
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5797 sanity checks. I'll buy the first person to
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5798 point out a bug in this reasoning a beer. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5799 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5800 else if (descr == Py_None &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5801 ptr == (void**)&type->tp_hash) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5802 /* We specifically allow __hash__ to be set to None
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5803 to prevent inheritance of the default
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5804 implementation from object.__hash__ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5805 specific = PyObject_HashNotImplemented;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5806 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5807 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5808 use_generic = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5809 generic = p->function;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5810 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5811 } while ((++p)->offset == offset);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5812 if (specific && !use_generic)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5813 *ptr = specific;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5814 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5815 *ptr = generic;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5816 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
5817 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5818
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5819 /* 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
5820 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
5821 static int
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5822 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
5823 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5824 slotdef **pp = (slotdef **)data;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5825
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5826 for (; *pp; pp++)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5827 update_one_slot(type, *pp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5828 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
5829 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5830
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5831 /* 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
5832 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
5833 static int
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5834 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
5835 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5836 const slotdef *a = (const slotdef *)aa, *b = (const slotdef *)bb;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5837 int c = a->offset - b->offset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5838 if (c != 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5839 return c;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5840 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5841 /* Cannot use a-b, as this gives off_t,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5842 which may lose precision when converted to int. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5843 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
5844 }
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5845
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5846 /* 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
5847 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
5848 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
5849 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
5850 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5851 slotdef *p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5852 static int initialized = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5853
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5854 if (initialized)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5855 return;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5856 for (p = slotdefs; p->name; p++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5857 p->name_strobj = PyUnicode_InternFromString(p->name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5858 if (!p->name_strobj)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5859 Py_FatalError("Out of memory interning slotdef names");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5860 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5861 qsort((void *)slotdefs, (size_t)(p-slotdefs), sizeof(slotdef),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5862 slotdef_cmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5863 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
5864 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5865
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5866 /* 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
5867 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
5868 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
5869 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5870 slotdef *ptrs[MAX_EQUIV];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5871 slotdef *p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5872 slotdef **pp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5873 int offset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5874
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5875 /* Clear the VALID_VERSION flag of 'type' and all its
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5876 subclasses. This could possibly be unified with the
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5877 update_subclasses() recursion below, but carefully:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5878 they each have their own conditions on which to stop
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5879 recursing into subclasses. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5880 PyType_Modified(type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5881
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5882 init_slotdefs();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5883 pp = ptrs;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5884 for (p = slotdefs; p->name; p++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5885 /* XXX assume name is interned! */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5886 if (p->name_strobj == name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5887 *pp++ = p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5888 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5889 *pp = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5890 for (pp = ptrs; *pp; pp++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5891 p = *pp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5892 offset = p->offset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5893 while (p > slotdefs && (p-1)->offset == offset)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5894 --p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5895 *pp = p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5896 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5897 if (ptrs[0] == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5898 return 0; /* Not an attribute that affects any slots */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5899 return update_subclasses(type, name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5900 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
5901 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5902
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5903 /* 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
5904 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
5905 dict. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5906 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
5907 fixup_slot_dispatchers(PyTypeObject *type)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5908 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5909 slotdef *p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5910
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5911 init_slotdefs();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5912 for (p = slotdefs; p->name; )
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5913 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
5914 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5915
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5916 static void
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5917 update_all_slots(PyTypeObject* type)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5918 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5919 slotdef *p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5920
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5921 init_slotdefs();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5922 for (p = slotdefs; p->name; p++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5923 /* update_slot returns int but can't actually fail */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5924 update_slot(type, p->name_strobj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5925 }
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5926 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5927
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5928 /* 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
5929 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
5930 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
5931
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5932 static int
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5933 update_subclasses(PyTypeObject *type, PyObject *name,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5934 update_callback callback, void *data)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5935 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5936 if (callback(type, data) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5937 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5938 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
5939 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5940
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5941 static int
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5942 recurse_down_subclasses(PyTypeObject *type, PyObject *name,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5943 update_callback callback, void *data)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5944 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5945 PyTypeObject *subclass;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5946 PyObject *ref, *subclasses, *dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5947 Py_ssize_t i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5948
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5949 subclasses = type->tp_subclasses;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5950 if (subclasses == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5951 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5952 assert(PyList_Check(subclasses));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5953 n = PyList_GET_SIZE(subclasses);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5954 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5955 ref = PyList_GET_ITEM(subclasses, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5956 assert(PyWeakref_CheckRef(ref));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5957 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5958 assert(subclass != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5959 if ((PyObject *)subclass == Py_None)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5960 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5961 assert(PyType_Check(subclass));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5962 /* Avoid recursing down into unaffected classes */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5963 dict = subclass->tp_dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5964 if (dict != NULL && PyDict_Check(dict) &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5965 PyDict_GetItem(dict, name) != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5966 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5967 if (update_subclasses(subclass, name, callback, data) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5968 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5969 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5970 return 0;
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5971 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5972
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5973 /* 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
5974 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
5975 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
5976 corresponding descriptors are added in the type's tp_dict dictionary
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
5977 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
5978 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
5979 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
5980 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
5981 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
5982
68585
bf94b6a73fc8 #11565: Fix several typos. Patch by Piotr Kasprzyk.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 67653
diff changeset
5983 In the latter case, the first slotdef entry encountered 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
5984 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
5985 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
5986 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
5987 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
5988 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
5989 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
5990 wins.
23830
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
5991
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
5992 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
5993 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
5994 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
5995 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
5996 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
5997 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
5998 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
5999 (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
6000 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
6001 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
6002
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6003 static int
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6004 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
6005 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6006 PyObject *dict = type->tp_dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6007 slotdef *p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6008 PyObject *descr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6009 void **ptr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6010
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6011 init_slotdefs();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6012 for (p = slotdefs; p->name; p++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6013 if (p->wrapper == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6014 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6015 ptr = slotptr(type, p->offset);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6016 if (!ptr || !*ptr)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6017 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6018 if (PyDict_GetItem(dict, p->name_strobj))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6019 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6020 if (*ptr == PyObject_HashNotImplemented) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6021 /* Classes may prevent the inheritance of the tp_hash
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6022 slot by storing PyObject_HashNotImplemented in it. Make it
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6023 visible as a None value for the __hash__ attribute. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6024 if (PyDict_SetItem(dict, p->name_strobj, Py_None) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6025 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6026 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6027 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6028 descr = PyDescr_NewWrapper(type, p, *ptr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6029 if (descr == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6030 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6031 if (PyDict_SetItem(dict, p->name_strobj, descr) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6032 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6033 Py_DECREF(descr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6034 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6035 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6036 if (type->tp_new != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6037 if (add_tp_new_wrapper(type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6038 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6039 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6040 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
6041 }
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
6042
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6043
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6044 /* Cooperative 'super' */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6045
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6046 typedef struct {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6047 PyObject_HEAD
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6048 PyTypeObject *type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6049 PyObject *obj;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6050 PyTypeObject *obj_type;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6051 } superobject;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6052
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
6053 static PyMemberDef super_members[] = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6054 {"__thisclass__", T_OBJECT, offsetof(superobject, type), READONLY,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6055 "the class invoking super()"},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6056 {"__self__", T_OBJECT, offsetof(superobject, obj), READONLY,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6057 "the instance invoking super(); may be None"},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6058 {"__self_class__", T_OBJECT, offsetof(superobject, obj_type), READONLY,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6059 "the type of the instance invoking super(); may be None"},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6060 {0}
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6061 };
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6062
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6063 static void
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6064 super_dealloc(PyObject *self)
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6065 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6066 superobject *su = (superobject *)self;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6067
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6068 _PyObject_GC_UNTRACK(self);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6069 Py_XDECREF(su->obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6070 Py_XDECREF(su->type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6071 Py_XDECREF(su->obj_type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6072 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
6073 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6074
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6075 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
6076 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
6077 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6078 superobject *su = (superobject *)self;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6079
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6080 if (su->obj_type)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6081 return PyUnicode_FromFormat(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6082 "<super: <class '%s'>, <%s object>>",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6083 su->type ? su->type->tp_name : "NULL",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6084 su->obj_type->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6085 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6086 return PyUnicode_FromFormat(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6087 "<super: <class '%s'>, NULL>",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6088 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
6089 }
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6090
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6091 static PyObject *
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6092 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
6093 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6094 superobject *su = (superobject *)self;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6095 int skip = su->obj_type == NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6096
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6097 if (!skip) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6098 /* We want __class__ to return the class of the super object
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6099 (i.e. super, or a subclass), not the class of su->obj. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6100 skip = (PyUnicode_Check(name) &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6101 PyUnicode_GET_SIZE(name) == 9 &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6102 PyUnicode_CompareWithASCIIString(name, "__class__") == 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6103 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6104
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6105 if (!skip) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6106 PyObject *mro, *res, *tmp, *dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6107 PyTypeObject *starttype;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6108 descrgetfunc f;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6109 Py_ssize_t i, n;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6110
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6111 starttype = su->obj_type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6112 mro = starttype->tp_mro;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6113
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6114 if (mro == NULL)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6115 n = 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6116 else {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6117 assert(PyTuple_Check(mro));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6118 n = PyTuple_GET_SIZE(mro);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6119 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6120 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6121 if ((PyObject *)(su->type) == PyTuple_GET_ITEM(mro, i))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6122 break;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6123 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6124 i++;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6125 res = NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6126 for (; i < n; i++) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6127 tmp = PyTuple_GET_ITEM(mro, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6128 if (PyType_Check(tmp))
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6129 dict = ((PyTypeObject *)tmp)->tp_dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6130 else
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6131 continue;
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parents: 59858
diff changeset
6132 res = PyDict_GetItem(dict, name);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6133 if (res != NULL) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6134 Py_INCREF(res);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6135 f = Py_TYPE(res)->tp_descr_get;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6136 if (f != NULL) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6137 tmp = f(res,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6138 /* Only pass 'obj' param if
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6139 this is instance-mode super
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6140 (See SF ID #743627)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6141 */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6142 (su->obj == (PyObject *)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6143 su->obj_type
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6144 ? (PyObject *)NULL
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6145 : su->obj),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6146 (PyObject *)starttype);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6147 Py_DECREF(res);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6148 res = tmp;
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parents: 59858
diff changeset
6149 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6150 return res;
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parents: 59858
diff changeset
6151 }
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parents: 59858
diff changeset
6152 }
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parents: 59858
diff changeset
6153 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6154 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
6155 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6156
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6157 static PyTypeObject *
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6158 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
6159 {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6160 /* Check that a super() call makes sense. Return a type object.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6161
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parents: 59858
diff changeset
6162 obj can be a new-style class, or an instance of one:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
6163
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parents: 59858
diff changeset
6164 - If it is a class, it must be a subclass of 'type'. This case is
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6165 used for class methods; the return value is obj.
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parents: 59858
diff changeset
6166
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parents: 59858
diff changeset
6167 - If it is an instance, it must be an instance of 'type'. This is
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6168 the normal case; the return value is obj.__class__.
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parents: 59858
diff changeset
6169
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parents: 59858
diff changeset
6170 But... when obj is an instance, we want to allow for the case where
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6171 Py_TYPE(obj) is not a subclass of type, but obj.__class__ is!
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6172 This will allow using super() with a proxy for obj.
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parents: 59858
diff changeset
6173 */
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parents: 59858
diff changeset
6174
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parents: 59858
diff changeset
6175 /* Check for first bullet above (special case) */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6176 if (PyType_Check(obj) && PyType_IsSubtype((PyTypeObject *)obj, type)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
6177 Py_INCREF(obj);
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parents: 59858
diff changeset
6178 return (PyTypeObject *)obj;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
6179 }
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parents: 59858
diff changeset
6180
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parents: 59858
diff changeset
6181 /* Normal case */
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parents: 59858
diff changeset
6182 if (PyType_IsSubtype(Py_TYPE(obj), type)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
6183 Py_INCREF(Py_TYPE(obj));
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parents: 59858
diff changeset
6184 return Py_TYPE(obj);
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parents: 59858
diff changeset
6185 }
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parents: 59858
diff changeset
6186 else {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6187 /* Try the slow way */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6188 static PyObject *class_str = NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6189 PyObject *class_attr;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6190
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6191 if (class_str == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6192 class_str = PyUnicode_FromString("__class__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6193 if (class_str == NULL)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6194 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6195 }
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parents: 59858
diff changeset
6196
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
6197 class_attr = PyObject_GetAttr(obj, class_str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6198
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parents: 59858
diff changeset
6199 if (class_attr != NULL &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6200 PyType_Check(class_attr) &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6201 (PyTypeObject *)class_attr != Py_TYPE(obj))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6202 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6203 int ok = PyType_IsSubtype(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6204 (PyTypeObject *)class_attr, type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6205 if (ok)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6206 return (PyTypeObject *)class_attr;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6207 }
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parents: 59858
diff changeset
6208
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parents: 59858
diff changeset
6209 if (class_attr == NULL)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6210 PyErr_Clear();
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parents: 59858
diff changeset
6211 else
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parents: 59858
diff changeset
6212 Py_DECREF(class_attr);
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parents: 59858
diff changeset
6213 }
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parents: 59858
diff changeset
6214
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parents: 59858
diff changeset
6215 PyErr_SetString(PyExc_TypeError,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6216 "super(type, obj): "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
6217 "obj must be an instance or subtype of type");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
6218 return NULL;
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6219 }
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6220
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6221 static PyObject *
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6222 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
6223 {
61467
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diff changeset
6224 superobject *su = (superobject *)self;
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parents: 59858
diff changeset
6225 superobject *newobj;
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parents: 59858
diff changeset
6226
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parents: 59858
diff changeset
6227 if (obj == NULL || obj == Py_None || su->obj != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
6228 /* Not binding to an object, or already bound */
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parents: 59858
diff changeset
6229 Py_INCREF(self);
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parents: 59858
diff changeset
6230 return self;
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parents: 59858
diff changeset
6231 }
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parents: 59858
diff changeset
6232 if (Py_TYPE(su) != &PySuper_Type)
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parents: 59858
diff changeset
6233 /* If su is an instance of a (strict) subclass of super,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
6234 call its type */
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parents: 59858
diff changeset
6235 return PyObject_CallFunctionObjArgs((PyObject *)Py_TYPE(su),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 59858
diff changeset
6236 su->type, obj, NULL);
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parents: 59858
diff changeset
6237 else {
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parents: 59858
diff changeset
6238 /* Inline the common case */
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parents: 59858
diff changeset
6239 PyTypeObject *obj_type = supercheck(su->type, obj);
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parents: 59858
diff changeset
6240 if (obj_type == NULL)
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parents: 59858
diff changeset
6241 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6242 newobj = (superobject *)PySuper_Type.tp_new(&PySuper_Type,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6243 NULL, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6244 if (newobj == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6245 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6246 Py_INCREF(su->type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6247 Py_INCREF(obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6248 newobj->type = su->type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6249 newobj->obj = obj;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6250 newobj->obj_type = obj_type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6251 return (PyObject *)newobj;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6252 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6253 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6254
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6255 static int
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6256 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
6257 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6258 superobject *su = (superobject *)self;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6259 PyTypeObject *type = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6260 PyObject *obj = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6261 PyTypeObject *obj_type = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6262
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6263 if (!_PyArg_NoKeywords("super", kwds))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6264 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6265 if (!PyArg_ParseTuple(args, "|O!O:super", &PyType_Type, &type, &obj))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6266 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6267
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6268 if (type == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6269 /* Call super(), without args -- fill in from __class__
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6270 and first local variable on the stack. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6271 PyFrameObject *f = PyThreadState_GET()->frame;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6272 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
6273 Py_ssize_t i, n;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6274 if (co == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6275 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6276 "super(): no code object");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6277 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6278 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6279 if (co->co_argcount == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6280 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6281 "super(): no arguments");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6282 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6283 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6284 obj = f->f_localsplus[0];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6285 if (obj == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6286 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6287 "super(): arg[0] deleted");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6288 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6289 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6290 if (co->co_freevars == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6291 n = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6292 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6293 assert(PyTuple_Check(co->co_freevars));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6294 n = PyTuple_GET_SIZE(co->co_freevars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6295 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6296 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6297 PyObject *name = PyTuple_GET_ITEM(co->co_freevars, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6298 assert(PyUnicode_Check(name));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6299 if (!PyUnicode_CompareWithASCIIString(name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6300 "__class__")) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6301 Py_ssize_t index = co->co_nlocals +
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6302 PyTuple_GET_SIZE(co->co_cellvars) + i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6303 PyObject *cell = f->f_localsplus[index];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6304 if (cell == NULL || !PyCell_Check(cell)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6305 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6306 "super(): bad __class__ cell");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6307 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6308 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6309 type = (PyTypeObject *) PyCell_GET(cell);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6310 if (type == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6311 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6312 "super(): empty __class__ cell");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6313 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6314 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6315 if (!PyType_Check(type)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6316 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6317 "super(): __class__ is not a type (%s)",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6318 Py_TYPE(type)->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6319 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6320 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6321 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6322 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6323 }
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6324 if (type == NULL) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6325 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6326 "super(): __class__ cell not found");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6327 return -1;
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6328 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6329 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6330
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6331 if (obj == Py_None)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6332 obj = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6333 if (obj != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6334 obj_type = supercheck(type, obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6335 if (obj_type == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6336 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6337 Py_INCREF(obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6338 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6339 Py_INCREF(type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6340 su->type = type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6341 su->obj = obj;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6342 su->obj_type = obj_type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6343 return 0;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6344 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6345
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23830
diff changeset
6346 PyDoc_STRVAR(super_doc,
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6347 "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
6348 "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
6349 "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
6350 "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
6351 "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
6352 "class C(B):\n"
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6353 " def meth(self, arg):\n"
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6354 " super().meth(arg)\n"
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6355 "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
6356 "class C(B):\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6357 " @classmethod\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6358 " def cmeth(cls, arg):\n"
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6359 " 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
6360
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6361 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
6362 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
6363 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6364 superobject *su = (superobject *)self;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6365
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6366 Py_VISIT(su->obj);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6367 Py_VISIT(su->type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6368 Py_VISIT(su->obj_type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6369
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59858
diff changeset
6370 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
6371 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6372
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
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6373 PyTypeObject PySuper_Type = {
61467
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6374 PyVarObject_HEAD_INIT(&PyType_Type, 0)
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6375 "super", /* tp_name */
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6376 sizeof(superobject), /* tp_basicsize */
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6377 0, /* tp_itemsize */
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6378 /* methods */
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6379 super_dealloc, /* tp_dealloc */
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6380 0, /* tp_print */
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6381 0, /* tp_getattr */
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6382 0, /* tp_setattr */
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6383 0, /* tp_reserved */
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6384 super_repr, /* tp_repr */
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6385 0, /* tp_as_number */
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6386 0, /* tp_as_sequence */
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6387 0, /* tp_as_mapping */
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6388 0, /* tp_hash */
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6389 0, /* tp_call */
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6390 0, /* tp_str */
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6391 super_getattro, /* tp_getattro */
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6392 0, /* tp_setattro */
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parents: 59858
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6393 0, /* tp_as_buffer */
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parents: 59858
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6394 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
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6395 Py_TPFLAGS_BASETYPE, /* tp_flags */
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6396 super_doc, /* tp_doc */
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6397 super_traverse, /* tp_traverse */
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6398 0, /* tp_clear */
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6399 0, /* tp_richcompare */
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6400 0, /* tp_weaklistoffset */
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6401 0, /* tp_iter */
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6402 0, /* tp_iternext */
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6403 0, /* tp_methods */
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6404 super_members, /* tp_members */
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6405 0, /* tp_getset */
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6406 0, /* tp_base */
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6407 0, /* tp_dict */
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6408 super_descr_get, /* tp_descr_get */
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6409 0, /* tp_descr_set */
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6410 0, /* tp_dictoffset */
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6411 super_init, /* tp_init */
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parents: 59858
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6412 PyType_GenericAlloc, /* tp_alloc */
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6413 PyType_GenericNew, /* tp_new */
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parents: 59858
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6414 PyObject_GC_Del, /* tp_free */
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parents: 19464
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6415 };