annotate Objects/typeobject.c @ 47426:4dedef4c0dfd

Blocked revisions 63863 via svnmerge ........ r63863 | benjamin.peterson | 2008-06-01 14:01:25 -0500 (Sun, 01 Jun 2008) | 2 lines add a warning about bgen being removed ........
author Benjamin Peterson <benjamin@python.org>
date Sun, 01 Jun 2008 19:04:01 +0000
parents 23ab586c427a
children 58f4b60773fe
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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 static void type_modified(PyTypeObject *);
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37
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38 unsigned int
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39 PyType_ClearCache(void)
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40 {
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41 Py_ssize_t i;
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42 unsigned int cur_version_tag = next_version_tag - 1;
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43
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44 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) {
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45 method_cache[i].version = 0;
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46 Py_CLEAR(method_cache[i].name);
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47 method_cache[i].value = NULL;
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48 }
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49 next_version_tag = 0;
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50 /* mark all version tags as invalid */
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51 type_modified(&PyBaseObject_Type);
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52 return cur_version_tag;
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53 }
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54
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55 static void
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56 type_modified(PyTypeObject *type)
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57 {
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58 /* Invalidate any cached data for the specified type and all
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59 subclasses. This function is called after the base
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60 classes, mro, or attributes of the type are altered.
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61
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62 Invariants:
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63
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64 - Py_TPFLAGS_VALID_VERSION_TAG is never set if
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65 Py_TPFLAGS_HAVE_VERSION_TAG is not set (e.g. on type
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66 objects coming from non-recompiled extension modules)
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67
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68 - before Py_TPFLAGS_VALID_VERSION_TAG can be set on a type,
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69 it must first be set on all super types.
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70
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71 This function clears the Py_TPFLAGS_VALID_VERSION_TAG of a
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72 type (so it must first clear it on all subclasses). The
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73 tp_version_tag value is meaningless unless this flag is set.
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74 We don't assign new version tags eagerly, but only as
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75 needed.
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76 */
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77 PyObject *raw, *ref;
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78 Py_ssize_t i, n;
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79
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80 if (!PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG))
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81 return;
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82
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83 raw = type->tp_subclasses;
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84 if (raw != NULL) {
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85 n = PyList_GET_SIZE(raw);
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86 for (i = 0; i < n; i++) {
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87 ref = PyList_GET_ITEM(raw, i);
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88 ref = PyWeakref_GET_OBJECT(ref);
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89 if (ref != Py_None) {
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90 type_modified((PyTypeObject *)ref);
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91 }
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92 }
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93 }
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94 type->tp_flags &= ~Py_TPFLAGS_VALID_VERSION_TAG;
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95 }
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96
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97 static void
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98 type_mro_modified(PyTypeObject *type, PyObject *bases) {
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99 /*
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100 Check that all base classes or elements of the mro of type are
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101 able to be cached. This function is called after the base
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102 classes or mro of the type are altered.
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103
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104 Unset HAVE_VERSION_TAG and VALID_VERSION_TAG if the type
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105 inherits from an old-style class, either directly or if it
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106 appears in the MRO of a new-style class. No support either for
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107 custom MROs that include types that are not officially super
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108 types.
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109
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110 Called from mro_internal, which will subsequently be called on
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111 each subclass when their mro is recursively updated.
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112 */
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113 Py_ssize_t i, n;
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114 int clear = 0;
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115
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116 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG))
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117 return;
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118
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119 n = PyTuple_GET_SIZE(bases);
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120 for (i = 0; i < n; i++) {
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121 PyObject *b = PyTuple_GET_ITEM(bases, i);
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122 PyTypeObject *cls;
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123
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124 if (!PyType_Check(b) ) {
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125 clear = 1;
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126 break;
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127 }
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128
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129 cls = (PyTypeObject *)b;
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130
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131 if (!PyType_HasFeature(cls, Py_TPFLAGS_HAVE_VERSION_TAG) ||
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132 !PyType_IsSubtype(type, cls)) {
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133 clear = 1;
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134 break;
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135 }
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136 }
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137
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138 if (clear)
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139 type->tp_flags &= ~(Py_TPFLAGS_HAVE_VERSION_TAG|
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140 Py_TPFLAGS_VALID_VERSION_TAG);
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141 }
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142
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143 static int
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144 assign_version_tag(PyTypeObject *type)
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145 {
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146 /* Ensure that the tp_version_tag is valid and set
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147 Py_TPFLAGS_VALID_VERSION_TAG. To respect the invariant, this
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148 must first be done on all super classes. Return 0 if this
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149 cannot be done, 1 if Py_TPFLAGS_VALID_VERSION_TAG.
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150 */
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151 Py_ssize_t i, n;
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152 PyObject *bases;
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153
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154 if (PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG))
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155 return 1;
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156 if (!PyType_HasFeature(type, Py_TPFLAGS_HAVE_VERSION_TAG))
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157 return 0;
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158 if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
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159 return 0;
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160
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161 type->tp_version_tag = next_version_tag++;
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162 /* for stress-testing: next_version_tag &= 0xFF; */
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163
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164 if (type->tp_version_tag == 0) {
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165 /* wrap-around or just starting Python - clear the whole
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166 cache by filling names with references to Py_None.
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167 Values are also set to NULL for added protection, as they
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168 are borrowed reference */
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169 for (i = 0; i < (1 << MCACHE_SIZE_EXP); i++) {
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170 method_cache[i].value = NULL;
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171 Py_XDECREF(method_cache[i].name);
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172 method_cache[i].name = Py_None;
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173 Py_INCREF(Py_None);
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174 }
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175 /* mark all version tags as invalid */
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176 type_modified(&PyBaseObject_Type);
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177 return 1;
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178 }
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179 bases = type->tp_bases;
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180 n = PyTuple_GET_SIZE(bases);
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181 for (i = 0; i < n; i++) {
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182 PyObject *b = PyTuple_GET_ITEM(bases, i);
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183 assert(PyType_Check(b));
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184 if (!assign_version_tag((PyTypeObject *)b))
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185 return 0;
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186 }
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187 type->tp_flags |= Py_TPFLAGS_VALID_VERSION_TAG;
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188 return 1;
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189 }
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190
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191
20012
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192 static PyMemberDef type_members[] = {
18933
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193 {"__basicsize__", T_INT, offsetof(PyTypeObject,tp_basicsize),READONLY},
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194 {"__itemsize__", T_INT, offsetof(PyTypeObject, tp_itemsize), READONLY},
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195 {"__flags__", T_LONG, offsetof(PyTypeObject, tp_flags), READONLY},
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196 {"__weakrefoffset__", T_LONG,
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197 offsetof(PyTypeObject, tp_weaklistoffset), READONLY},
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198 {"__base__", T_OBJECT, offsetof(PyTypeObject, tp_base), READONLY},
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199 {"__dictoffset__", T_LONG,
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200 offsetof(PyTypeObject, tp_dictoffset), READONLY},
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201 {"__mro__", T_OBJECT, offsetof(PyTypeObject, tp_mro), READONLY},
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202 {0}
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203 };
6
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204
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205 static PyObject *
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206 type_name(PyTypeObject *type, void *context)
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207 {
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208 const char *s;
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209
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210 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) {
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211 PyHeapTypeObject* et = (PyHeapTypeObject*)type;
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212
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213 Py_INCREF(et->ht_name);
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214 return et->ht_name;
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215 }
bddc41315336 Nudge getting __module__ and __name__ for new-style classes so that
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216 else {
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217 s = strrchr(type->tp_name, '.');
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218 if (s == NULL)
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219 s = type->tp_name;
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220 else
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221 s++;
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222 return PyUnicode_FromString(s);
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223 }
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224 }
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225
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226 static int
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227 type_set_name(PyTypeObject *type, PyObject *value, void *context)
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228 {
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229 PyHeapTypeObject* et;
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230 char *tp_name;
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231 PyObject *tmp;
26421
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232
9d6aed2e60e2 This is my patch:
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233 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
9d6aed2e60e2 This is my patch:
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234 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
235 "can't set %s.__name__", type->tp_name);
9d6aed2e60e2 This is my patch:
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236 return -1;
9d6aed2e60e2 This is my patch:
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diff changeset
237 }
9d6aed2e60e2 This is my patch:
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parents: 26410
diff changeset
238 if (!value) {
9d6aed2e60e2 This is my patch:
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239 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
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diff changeset
240 "can't delete %s.__name__", type->tp_name);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
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241 return -1;
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parents: 26410
diff changeset
242 }
42854
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Neal Norwitz <nnorwitz@gmail.com>
parents: 42822
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243 if (!PyUnicode_Check(value)) {
26421
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244 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
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245 "can only assign string to %s.__name__, not '%s'",
44351
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246 type->tp_name, Py_TYPE(value)->tp_name);
26421
9d6aed2e60e2 This is my patch:
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247 return -1;
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diff changeset
248 }
43755
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249
704e6711e50d Fixes for issue 1752184, ensuring type objects are always created
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250 /* Check absence of null characters */
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251 tmp = PyUnicode_FromStringAndSize("\0", 1);
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252 if (tmp == NULL)
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253 return -1;
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Guido van Rossum <guido@python.org>
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254 if (PyUnicode_Contains(value, tmp) != 0) {
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255 Py_DECREF(tmp);
704e6711e50d Fixes for issue 1752184, ensuring type objects are always created
Guido van Rossum <guido@python.org>
parents: 43292
diff changeset
256 PyErr_Format(PyExc_ValueError,
704e6711e50d Fixes for issue 1752184, ensuring type objects are always created
Guido van Rossum <guido@python.org>
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257 "__name__ must not contain null bytes");
704e6711e50d Fixes for issue 1752184, ensuring type objects are always created
Guido van Rossum <guido@python.org>
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258 return -1;
704e6711e50d Fixes for issue 1752184, ensuring type objects are always created
Guido van Rossum <guido@python.org>
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259 }
704e6711e50d Fixes for issue 1752184, ensuring type objects are always created
Guido van Rossum <guido@python.org>
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260 Py_DECREF(tmp);
704e6711e50d Fixes for issue 1752184, ensuring type objects are always created
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261
42862
ed1594a16bdb Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
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262 tp_name = PyUnicode_AsString(value);
ed1594a16bdb Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42854
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263 if (tp_name == NULL)
42854
824b9d52e006 Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42822
diff changeset
264 return -1;
26421
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Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
265
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Guido van Rossum <guido@python.org>
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266 et = (PyHeapTypeObject*)type;
26421
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diff changeset
267
9d6aed2e60e2 This is my patch:
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parents: 26410
diff changeset
268 Py_INCREF(value);
9d6aed2e60e2 This is my patch:
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parents: 26410
diff changeset
269
36631
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
Georg Brandl <georg@python.org>
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diff changeset
270 Py_DECREF(et->ht_name);
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
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diff changeset
271 et->ht_name = value;
26421
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272
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273 type->tp_name = tp_name;
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274
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275 return 0;
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276 }
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277
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278 static PyObject *
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279 type_module(PyTypeObject *type, void *context)
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280 {
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281 PyObject *mod;
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282 char *s;
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283
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284 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE) {
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285 mod = PyDict_GetItemString(type->tp_dict, "__module__");
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286 if (!mod) {
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287 PyErr_Format(PyExc_AttributeError, "__module__");
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288 return 0;
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289 }
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290 Py_XINCREF(mod);
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291 return mod;
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292 }
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293 else {
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294 s = strrchr(type->tp_name, '.');
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295 if (s != NULL)
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296 return PyUnicode_FromStringAndSize(
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297 type->tp_name, (Py_ssize_t)(s - type->tp_name));
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298 return PyUnicode_FromString("builtins");
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299 }
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300 }
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301
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302 static int
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303 type_set_module(PyTypeObject *type, PyObject *value, void *context)
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304 {
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305 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
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306 PyErr_Format(PyExc_TypeError,
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307 "can't set %s.__module__", type->tp_name);
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308 return -1;
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309 }
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310 if (!value) {
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311 PyErr_Format(PyExc_TypeError,
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312 "can't delete %s.__module__", type->tp_name);
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313 return -1;
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314 }
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315
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316 type_modified(type);
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317
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318 return PyDict_SetItemString(type->tp_dict, "__module__", value);
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319 }
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320
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321 static PyObject *
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322 type_abstractmethods(PyTypeObject *type, void *context)
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323 {
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324 PyObject *mod = PyDict_GetItemString(type->tp_dict,
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325 "__abstractmethods__");
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326 if (!mod) {
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327 PyErr_Format(PyExc_AttributeError, "__abstractmethods__");
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328 return NULL;
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329 }
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330 Py_XINCREF(mod);
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331 return mod;
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332 }
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333
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334 static int
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335 type_set_abstractmethods(PyTypeObject *type, PyObject *value, void *context)
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336 {
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337 /* __abstractmethods__ should only be set once on a type, in
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338 abc.ABCMeta.__new__, so this function doesn't do anything
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339 special to update subclasses.
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340 */
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341 int res = PyDict_SetItemString(type->tp_dict,
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342 "__abstractmethods__", value);
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343 if (res == 0) {
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344 type_modified(type);
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345 if (value && PyObject_IsTrue(value)) {
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346 type->tp_flags |= Py_TPFLAGS_IS_ABSTRACT;
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347 }
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348 else {
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349 type->tp_flags &= ~Py_TPFLAGS_IS_ABSTRACT;
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350 }
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351 }
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352 return res;
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353 }
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354
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355 static PyObject *
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356 type_get_bases(PyTypeObject *type, void *context)
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357 {
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358 Py_INCREF(type->tp_bases);
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359 return type->tp_bases;
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360 }
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361
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362 static PyTypeObject *best_base(PyObject *);
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363 static int mro_internal(PyTypeObject *);
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364 static int compatible_for_assignment(PyTypeObject *, PyTypeObject *, char *);
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365 static int add_subclass(PyTypeObject*, PyTypeObject*);
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366 static void remove_subclass(PyTypeObject *, PyTypeObject *);
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367 static void update_all_slots(PyTypeObject *);
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368
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369 typedef int (*update_callback)(PyTypeObject *, void *);
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370 static int update_subclasses(PyTypeObject *type, PyObject *name,
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371 update_callback callback, void *data);
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372 static int recurse_down_subclasses(PyTypeObject *type, PyObject *name,
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373 update_callback callback, void *data);
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374
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375 static int
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376 mro_subclasses(PyTypeObject *type, PyObject* temp)
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377 {
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378 PyTypeObject *subclass;
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379 PyObject *ref, *subclasses, *old_mro;
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380 Py_ssize_t i, n;
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381
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382 subclasses = type->tp_subclasses;
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383 if (subclasses == NULL)
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Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
384 return 0;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
385 assert(PyList_Check(subclasses));
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
386 n = PyList_GET_SIZE(subclasses);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
387 for (i = 0; i < n; i++) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
388 ref = PyList_GET_ITEM(subclasses, i);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
389 assert(PyWeakref_CheckRef(ref));
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
390 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
391 assert(subclass != NULL);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
392 if ((PyObject *)subclass == Py_None)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
393 continue;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
394 assert(PyType_Check(subclass));
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
395 old_mro = subclass->tp_mro;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
396 if (mro_internal(subclass) < 0) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
397 subclass->tp_mro = old_mro;
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
398 return -1;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
399 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
400 else {
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
401 PyObject* tuple;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
402 tuple = PyTuple_Pack(2, subclass, old_mro);
28625
07d8e0eab3af Fix three (!) object leaks in the code for assignment to __bases__.
Guido van Rossum <guido@python.org>
parents: 28621
diff changeset
403 Py_DECREF(old_mro);
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
404 if (!tuple)
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
405 return -1;
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
406 if (PyList_Append(temp, tuple) < 0)
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
407 return -1;
28625
07d8e0eab3af Fix three (!) object leaks in the code for assignment to __bases__.
Guido van Rossum <guido@python.org>
parents: 28621
diff changeset
408 Py_DECREF(tuple);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
409 }
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
410 if (mro_subclasses(subclass, temp) < 0)
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
411 return -1;
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
412 }
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
413 return 0;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
414 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
415
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
416 static int
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
417 type_set_bases(PyTypeObject *type, PyObject *value, void *context)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
418 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
419 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
420 int r = 0;
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
421 PyObject *ob, *temp;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
422 PyTypeObject *new_base, *old_base;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
423 PyObject *old_bases, *old_mro;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
424
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
425 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
426 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
427 "can't set %s.__bases__", type->tp_name);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
428 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
429 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
430 if (!value) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
431 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
432 "can't delete %s.__bases__", type->tp_name);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
433 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
434 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
435 if (!PyTuple_Check(value)) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
436 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
437 "can only assign tuple to %s.__bases__, not %s",
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
438 type->tp_name, Py_TYPE(value)->tp_name);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
439 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
440 }
26645
d176cbfd3765 Tighten the tests for assignment to __bases__: disallow empty tuple.
Guido van Rossum <guido@python.org>
parents: 26583
diff changeset
441 if (PyTuple_GET_SIZE(value) == 0) {
d176cbfd3765 Tighten the tests for assignment to __bases__: disallow empty tuple.
Guido van Rossum <guido@python.org>
parents: 26583
diff changeset
442 PyErr_Format(PyExc_TypeError,
d176cbfd3765 Tighten the tests for assignment to __bases__: disallow empty tuple.
Guido van Rossum <guido@python.org>
parents: 26583
diff changeset
443 "can only assign non-empty tuple to %s.__bases__, not ()",
d176cbfd3765 Tighten the tests for assignment to __bases__: disallow empty tuple.
Guido van Rossum <guido@python.org>
parents: 26583
diff changeset
444 type->tp_name);
d176cbfd3765 Tighten the tests for assignment to __bases__: disallow empty tuple.
Guido van Rossum <guido@python.org>
parents: 26583
diff changeset
445 return -1;
d176cbfd3765 Tighten the tests for assignment to __bases__: disallow empty tuple.
Guido van Rossum <guido@python.org>
parents: 26583
diff changeset
446 }
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
447 for (i = 0; i < PyTuple_GET_SIZE(value); i++) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
448 ob = PyTuple_GET_ITEM(value, i);
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
449 if (!PyType_Check(ob)) {
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
450 PyErr_Format(
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
451 PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
452 "%s.__bases__ must be tuple of old- or new-style classes, not '%s'",
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
453 type->tp_name, Py_TYPE(ob)->tp_name);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
454 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
455 }
26440
aa0e19b6e1e7 I had the inheritance cycle stuff backwards. Oops!
Michael W. Hudson <mwh@python.net>
parents: 26425
diff changeset
456 if (PyType_Check(ob)) {
aa0e19b6e1e7 I had the inheritance cycle stuff backwards. Oops!
Michael W. Hudson <mwh@python.net>
parents: 26425
diff changeset
457 if (PyType_IsSubtype((PyTypeObject*)ob, type)) {
aa0e19b6e1e7 I had the inheritance cycle stuff backwards. Oops!
Michael W. Hudson <mwh@python.net>
parents: 26425
diff changeset
458 PyErr_SetString(PyExc_TypeError,
aa0e19b6e1e7 I had the inheritance cycle stuff backwards. Oops!
Michael W. Hudson <mwh@python.net>
parents: 26425
diff changeset
459 "a __bases__ item causes an inheritance cycle");
aa0e19b6e1e7 I had the inheritance cycle stuff backwards. Oops!
Michael W. Hudson <mwh@python.net>
parents: 26425
diff changeset
460 return -1;
aa0e19b6e1e7 I had the inheritance cycle stuff backwards. Oops!
Michael W. Hudson <mwh@python.net>
parents: 26425
diff changeset
461 }
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
462 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
463 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
464
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
465 new_base = best_base(value);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
466
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
467 if (!new_base) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
468 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
469 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
470
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
471 if (!compatible_for_assignment(type->tp_base, new_base, "__bases__"))
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
472 return -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
473
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
474 Py_INCREF(new_base);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
475 Py_INCREF(value);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
476
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
477 old_bases = type->tp_bases;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
478 old_base = type->tp_base;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
479 old_mro = type->tp_mro;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
480
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
481 type->tp_bases = value;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
482 type->tp_base = new_base;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
483
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
484 if (mro_internal(type) < 0) {
26446
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
485 goto bail;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
486 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
487
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
488 temp = PyList_New(0);
26446
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
489 if (!temp)
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
490 goto bail;
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
491
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
492 r = mro_subclasses(type, temp);
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
493
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
494 if (r < 0) {
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
495 for (i = 0; i < PyList_Size(temp); i++) {
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
496 PyTypeObject* cls;
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
497 PyObject* mro;
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
498 PyArg_UnpackTuple(PyList_GET_ITEM(temp, i),
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
499 "", 2, 2, &cls, &mro);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
500 Py_INCREF(mro);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
501 ob = cls->tp_mro;
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
502 cls->tp_mro = mro;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
503 Py_DECREF(ob);
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
504 }
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
505 Py_DECREF(temp);
26446
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
506 goto bail;
26445
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
507 }
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
508
7421367274b4 Readjustments to the way we cope with exceptions from subclasses'
Michael W. Hudson <mwh@python.net>
parents: 26440
diff changeset
509 Py_DECREF(temp);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
510
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
511 /* any base that was in __bases__ but now isn't, we
26660
f838bc9056cc Punctuation fix.
Raymond Hettinger <python@rcn.com>
parents: 26645
diff changeset
512 need to remove |type| from its tp_subclasses.
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
513 conversely, any class now in __bases__ that wasn't
26660
f838bc9056cc Punctuation fix.
Raymond Hettinger <python@rcn.com>
parents: 26645
diff changeset
514 needs to have |type| added to its subclasses. */
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
515
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
516 /* for now, sod that: just remove from all old_bases,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
517 add to all new_bases */
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
518
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
519 for (i = PyTuple_GET_SIZE(old_bases) - 1; i >= 0; i--) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
520 ob = PyTuple_GET_ITEM(old_bases, i);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
521 if (PyType_Check(ob)) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
522 remove_subclass(
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
523 (PyTypeObject*)ob, type);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
524 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
525 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
526
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
527 for (i = PyTuple_GET_SIZE(value) - 1; i >= 0; i--) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
528 ob = PyTuple_GET_ITEM(value, i);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
529 if (PyType_Check(ob)) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
530 if (add_subclass((PyTypeObject*)ob, type) < 0)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
531 r = -1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
532 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
533 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
534
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
535 update_all_slots(type);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
536
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
537 Py_DECREF(old_bases);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
538 Py_DECREF(old_base);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
539 Py_DECREF(old_mro);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
540
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
541 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
542
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
543 bail:
30084
d05d0ed465d8 Repair refcounting on error return from type_set_bases.
Michael W. Hudson <mwh@python.net>
parents: 29900
diff changeset
544 Py_DECREF(type->tp_bases);
d05d0ed465d8 Repair refcounting on error return from type_set_bases.
Michael W. Hudson <mwh@python.net>
parents: 29900
diff changeset
545 Py_DECREF(type->tp_base);
d05d0ed465d8 Repair refcounting on error return from type_set_bases.
Michael W. Hudson <mwh@python.net>
parents: 29900
diff changeset
546 if (type->tp_mro != old_mro) {
d05d0ed465d8 Repair refcounting on error return from type_set_bases.
Michael W. Hudson <mwh@python.net>
parents: 29900
diff changeset
547 Py_DECREF(type->tp_mro);
d05d0ed465d8 Repair refcounting on error return from type_set_bases.
Michael W. Hudson <mwh@python.net>
parents: 29900
diff changeset
548 }
d05d0ed465d8 Repair refcounting on error return from type_set_bases.
Michael W. Hudson <mwh@python.net>
parents: 29900
diff changeset
549
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
550 type->tp_bases = old_bases;
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
551 type->tp_base = old_base;
7777dceb66ee I don't know why staring at the email to python-checkins made me
Michael W. Hudson <mwh@python.net>
parents: 26445
diff changeset
552 type->tp_mro = old_mro;
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
553
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
554 return -1;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
555 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
556
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
557 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
558 type_dict(PyTypeObject *type, void *context)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
559 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
560 if (type->tp_dict == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
561 Py_INCREF(Py_None);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
562 return Py_None;
2080
c21cc7b3ce28 added getattr(), supporting __doc__ and _name__
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
563 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
564 return PyDictProxy_New(type->tp_dict);
2080
c21cc7b3ce28 added getattr(), supporting __doc__ and _name__
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
565 }
c21cc7b3ce28 added getattr(), supporting __doc__ and _name__
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
566
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
567 static PyObject *
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
568 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
569 {
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
570 PyObject *result;
23118
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
571 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE) && type->tp_doc != NULL)
42822
302aeee32da8 Use unicode
Neal Norwitz <nnorwitz@gmail.com>
parents: 42817
diff changeset
572 return PyUnicode_FromString(type->tp_doc);
23118
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
573 result = PyDict_GetItemString(type->tp_dict, "__doc__");
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
574 if (result == NULL) {
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
575 result = Py_None;
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
576 Py_INCREF(result);
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
577 }
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
578 else if (Py_TYPE(result)->tp_descr_get) {
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
579 result = Py_TYPE(result)->tp_descr_get(result, NULL,
23127
70650ae1a2cf type_get_doc(): Squash compiler wng about incompatible ptr types.
Tim Peters <tim.peters@gmail.com>
parents: 23118
diff changeset
580 (PyObject *)type);
23118
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
581 }
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
582 else {
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
583 Py_INCREF(result);
f917e7a6e911 SF bug 542984.
Guido van Rossum <guido@python.org>
parents: 23037
diff changeset
584 }
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
585 return result;
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
586 }
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
587
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
588 static PyGetSetDef type_getsets[] = {
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
589 {"__name__", (getter)type_name, (setter)type_set_name, NULL},
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
590 {"__bases__", (getter)type_get_bases, (setter)type_set_bases, NULL},
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
591 {"__module__", (getter)type_module, (setter)type_set_module, NULL},
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
592 {"__abstractmethods__", (getter)type_abstractmethods,
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
593 (setter)type_set_abstractmethods, NULL},
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
594 {"__dict__", (getter)type_dict, NULL, NULL},
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
595 {"__doc__", (getter)type_get_doc, NULL, NULL},
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
596 {0}
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
597 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
598
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
599 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
600 type_repr(PyTypeObject *type)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
601 {
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
602 PyObject *mod, *name, *rtn;
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
603
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
604 mod = type_module(type, NULL);
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
605 if (mod == NULL)
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
606 PyErr_Clear();
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
607 else if (!PyUnicode_Check(mod)) {
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
608 Py_DECREF(mod);
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
609 mod = NULL;
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
610 }
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
611 name = type_name(type, NULL);
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
612 if (name == NULL)
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
613 return NULL;
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
614
46336
56e49952d1a4 Bug #2565: The repr() of type objects now calls them 'class',
Martin v. Löwis <martin@v.loewis.de>
parents: 45549
diff changeset
615 if (mod != NULL && PyUnicode_CompareWithASCIIString(mod, "builtins"))
56e49952d1a4 Bug #2565: The repr() of type objects now calls them 'class',
Martin v. Löwis <martin@v.loewis.de>
parents: 45549
diff changeset
616 rtn = PyUnicode_FromFormat("<class '%U.%U'>", mod, name);
20076
d9250d5b79a7 Change repr() of a new-style class to say <class 'ClassName'> rather
Guido van Rossum <guido@python.org>
parents: 20075
diff changeset
617 else
46336
56e49952d1a4 Bug #2565: The repr() of type objects now calls them 'class',
Martin v. Löwis <martin@v.loewis.de>
parents: 45549
diff changeset
618 rtn = PyUnicode_FromFormat("<class '%s'>", type->tp_name);
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
619
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
620 Py_XDECREF(mod);
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
621 Py_DECREF(name);
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
622 return rtn;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
623 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
624
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
625 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
626 type_call(PyTypeObject *type, PyObject *args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
627 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
628 PyObject *obj;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
629
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
630 if (type->tp_new == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
631 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
632 "cannot create '%.100s' instances",
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
633 type->tp_name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
634 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
635 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
636
19898
fc40d0b54043 type_call(): Change in policy. The keyword args (if any) are now passed
Tim Peters <tim.peters@gmail.com>
parents: 19808
diff changeset
637 obj = type->tp_new(type, args, kwds);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
638 if (obj != NULL) {
20516
d21160a92179 Fix SF bug #472234: type(obj) calls type->tp_init (Roeland Rengelink)
Guido van Rossum <guido@python.org>
parents: 20499
diff changeset
639 /* Ugly exception: when the call was type(something),
d21160a92179 Fix SF bug #472234: type(obj) calls type->tp_init (Roeland Rengelink)
Guido van Rossum <guido@python.org>
parents: 20499
diff changeset
640 don't call tp_init on the result. */
d21160a92179 Fix SF bug #472234: type(obj) calls type->tp_init (Roeland Rengelink)
Guido van Rossum <guido@python.org>
parents: 20499
diff changeset
641 if (type == &PyType_Type &&
d21160a92179 Fix SF bug #472234: type(obj) calls type->tp_init (Roeland Rengelink)
Guido van Rossum <guido@python.org>
parents: 20499
diff changeset
642 PyTuple_Check(args) && PyTuple_GET_SIZE(args) == 1 &&
d21160a92179 Fix SF bug #472234: type(obj) calls type->tp_init (Roeland Rengelink)
Guido van Rossum <guido@python.org>
parents: 20499
diff changeset
643 (kwds == NULL ||
d21160a92179 Fix SF bug #472234: type(obj) calls type->tp_init (Roeland Rengelink)
Guido van Rossum <guido@python.org>
parents: 20499
diff changeset
644 (PyDict_Check(kwds) && PyDict_Size(kwds) == 0)))
d21160a92179 Fix SF bug #472234: type(obj) calls type->tp_init (Roeland Rengelink)
Guido van Rossum <guido@python.org>
parents: 20499
diff changeset
645 return obj;
22859
bbf05af3c191 - Changed new-style class instantiation so that when C's __new__
Guido van Rossum <guido@python.org>
parents: 22854
diff changeset
646 /* If the returned object is not an instance of type,
bbf05af3c191 - Changed new-style class instantiation so that when C's __new__
Guido van Rossum <guido@python.org>
parents: 22854
diff changeset
647 it won't be initialized. */
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
648 if (!PyType_IsSubtype(Py_TYPE(obj), type))
22859
bbf05af3c191 - Changed new-style class instantiation so that when C's __new__
Guido van Rossum <guido@python.org>
parents: 22854
diff changeset
649 return obj;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
650 type = Py_TYPE(obj);
39222
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38453
diff changeset
651 if (type->tp_init != NULL &&
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
652 type->tp_init(obj, args, kwds) < 0) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
653 Py_DECREF(obj);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
654 obj = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
655 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
656 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
657 return obj;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
658 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
659
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
660 PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
661 PyType_GenericAlloc(PyTypeObject *type, Py_ssize_t nitems)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
662 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
663 PyObject *obj;
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
664 const size_t size = _PyObject_VAR_SIZE(type, nitems+1);
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
665 /* note that we need to add one, for the sentinel */
20293
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
666
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
667 if (PyType_IS_GC(type))
22980
9f949027d7ba Change signature of _PyObject_GC_Malloc to match PyObject_MALLOC.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22871
diff changeset
668 obj = _PyObject_GC_Malloc(size);
20293
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
669 else
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
670 obj = (PyObject *)PyObject_MALLOC(size);
20293
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
671
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
672 if (obj == NULL)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
673 return PyErr_NoMemory();
20293
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
674
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
675 memset(obj, '\0', size);
20293
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
676
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
677 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
678 Py_INCREF(type);
20293
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
679
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
680 if (type->tp_itemsize == 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
681 PyObject_INIT(obj, type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
682 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
683 (void) PyObject_INIT_VAR((PyVarObject *)obj, type, nitems);
20293
b285decf0421 Repaired the debug Windows deaths in test_descr, by allocating enough
Tim Peters <tim.peters@gmail.com>
parents: 20277
diff changeset
684
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
685 if (PyType_IS_GC(type))
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
686 _PyObject_GC_TRACK(obj);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
687 return obj;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
688 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
689
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
690 PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
691 PyType_GenericNew(PyTypeObject *type, PyObject *args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
692 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
693 return type->tp_alloc(type, 0);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
694 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
695
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
696 /* Helpers for subtyping */
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
697
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
698 static int
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
699 traverse_slots(PyTypeObject *type, PyObject *self, visitproc visit, void *arg)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
700 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
701 Py_ssize_t i, n;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
702 PyMemberDef *mp;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
703
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
704 n = Py_SIZE(type);
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
705 mp = PyHeapType_GET_MEMBERS((PyHeapTypeObject *)type);
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
706 for (i = 0; i < n; i++, mp++) {
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
707 if (mp->type == T_OBJECT_EX) {
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
708 char *addr = (char *)self + mp->offset;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
709 PyObject *obj = *(PyObject **)addr;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
710 if (obj != NULL) {
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
711 int err = visit(obj, arg);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
712 if (err)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
713 return err;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
714 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
715 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
716 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
717 return 0;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
718 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
719
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
720 static int
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
721 subtype_traverse(PyObject *self, visitproc visit, void *arg)
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
722 {
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
723 PyTypeObject *type, *base;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
724 traverseproc basetraverse;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
725
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
726 /* Find the nearest base with a different tp_traverse,
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
727 and traverse slots while we're at it */
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
728 type = Py_TYPE(self);
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
729 base = type;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
730 while ((basetraverse = base->tp_traverse) == subtype_traverse) {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
731 if (Py_SIZE(base)) {
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
732 int err = traverse_slots(base, self, visit, arg);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
733 if (err)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
734 return err;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
735 }
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
736 base = base->tp_base;
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
737 assert(base);
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
738 }
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
739
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
740 if (type->tp_dictoffset != base->tp_dictoffset) {
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
741 PyObject **dictptr = _PyObject_GetDictPtr(self);
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
742 if (dictptr && *dictptr)
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
743 Py_VISIT(*dictptr);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
744 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
745
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
746 if (type->tp_flags & Py_TPFLAGS_HEAPTYPE)
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
747 /* For a heaptype, the instances count as references
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
748 to the type. Traverse the type so the collector
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
749 can find cycles involving this link. */
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
750 Py_VISIT(type);
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
751
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
752 if (basetraverse)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
753 return basetraverse(self, visit, arg);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
754 return 0;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
755 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
756
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
757 static void
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
758 clear_slots(PyTypeObject *type, PyObject *self)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
759 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
760 Py_ssize_t i, n;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
761 PyMemberDef *mp;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
762
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
763 n = Py_SIZE(type);
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
764 mp = PyHeapType_GET_MEMBERS((PyHeapTypeObject *)type);
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
765 for (i = 0; i < n; i++, mp++) {
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
766 if (mp->type == T_OBJECT_EX && !(mp->flags & READONLY)) {
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
767 char *addr = (char *)self + mp->offset;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
768 PyObject *obj = *(PyObject **)addr;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
769 if (obj != NULL) {
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
770 *(PyObject **)addr = NULL;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
771 Py_DECREF(obj);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
772 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
773 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
774 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
775 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
776
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
777 static int
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
778 subtype_clear(PyObject *self)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
779 {
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
780 PyTypeObject *type, *base;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
781 inquiry baseclear;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
782
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
783 /* Find the nearest base with a different tp_clear
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
784 and clear slots while we're at it */
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
785 type = Py_TYPE(self);
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
786 base = type;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
787 while ((baseclear = base->tp_clear) == subtype_clear) {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
788 if (Py_SIZE(base))
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
789 clear_slots(base, self);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
790 base = base->tp_base;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
791 assert(base);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
792 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
793
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
794 /* There's no need to clear the instance dict (if any);
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
795 the collector will call its tp_clear handler. */
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
796
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
797 if (baseclear)
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
798 return baseclear(self);
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
799 return 0;
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
800 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
801
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
802 static void
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
803 subtype_dealloc(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
804 {
21246
cb921d483e00 The previous checkin to clear __slots__ variables did a little bit of
Guido van Rossum <guido@python.org>
parents: 21242
diff changeset
805 PyTypeObject *type, *base;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
806 destructor basedealloc;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
807
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
808 /* Extract the type; we expect it to be a heap type */
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
809 type = Py_TYPE(self);
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
810 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
811
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
812 /* Test whether the type has GC exactly once */
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
813
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
814 if (!PyType_IS_GC(type)) {
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
815 /* It's really rare to find a dynamic type that doesn't have
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
816 GC; it can only happen when deriving from 'object' and not
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
817 adding any slots or instance variables. This allows
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
818 certain simplifications: there's no need to call
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
819 clear_slots(), or DECREF the dict, or clear weakrefs. */
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
820
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
821 /* Maybe call finalizer; exit early if resurrected */
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
822 if (type->tp_del) {
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
823 type->tp_del(self);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
824 if (self->ob_refcnt > 0)
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
825 return;
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
826 }
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
827
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
828 /* Find the nearest base with a different tp_dealloc */
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
829 base = type;
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
830 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
831 assert(Py_SIZE(base) == 0);
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
832 base = base->tp_base;
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
833 assert(base);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
834 }
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
835
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
836 /* Call the base tp_dealloc() */
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
837 assert(basedealloc);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
838 basedealloc(self);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
839
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
840 /* Can't reference self beyond this point */
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
841 Py_DECREF(type);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
842
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
843 /* Done */
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
844 return;
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
845 }
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
846
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
847 /* We get here only if the type has GC */
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
848
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
849 /* UnTrack and re-Track around the trashcan macro, alas */
27717
41313d20d1dd Comment typo fix
Andrew M. Kuchling <amk@amk.ca>
parents: 27707
diff changeset
850 /* See explanation at end of function for full disclosure */
24653
1ab27c1770df Fix a subtle bug in the trashcan code I added yesterday to
Guido van Rossum <guido@python.org>
parents: 24614
diff changeset
851 PyObject_GC_UnTrack(self);
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
852 ++_PyTrash_delete_nesting;
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
853 Py_TRASHCAN_SAFE_BEGIN(self);
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
854 --_PyTrash_delete_nesting;
30915
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
855 /* DO NOT restore GC tracking at this point. weakref callbacks
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
856 * (if any, and whether directly here or indirectly in something we
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
857 * call) may trigger GC, and if self is tracked at that point, it
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
858 * will look like trash to GC and GC will try to delete self again.
30907
3d9b36d6ab89 SF bug 840829: weakref callbacks and gc corrupt memory.
Tim Peters <tim.peters@gmail.com>
parents: 30722
diff changeset
859 */
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
860
29442
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
861 /* Find the nearest base with a different tp_dealloc */
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
862 base = type;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
863 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
864 base = base->tp_base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
865 assert(base);
21246
cb921d483e00 The previous checkin to clear __slots__ variables did a little bit of
Guido van Rossum <guido@python.org>
parents: 21242
diff changeset
866 }
cb921d483e00 The previous checkin to clear __slots__ variables did a little bit of
Guido van Rossum <guido@python.org>
parents: 21242
diff changeset
867
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
868 /* If we added a weaklist, we clear it. Do this *before* calling
29442
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
869 the finalizer (__del__), clearing slots, or clearing the instance
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
870 dict. */
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
871
29308
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
872 if (type->tp_weaklistoffset && !base->tp_weaklistoffset)
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
873 PyObject_ClearWeakRefs(self);
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
874
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
875 /* Maybe call finalizer; exit early if resurrected */
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
876 if (type->tp_del) {
30915
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
877 _PyObject_GC_TRACK(self);
29308
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
878 type->tp_del(self);
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
879 if (self->ob_refcnt > 0)
30915
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
880 goto endlabel; /* resurrected */
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
881 else
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
882 _PyObject_GC_UNTRACK(self);
40737
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
883 /* New weakrefs could be created during the finalizer call.
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
884 If this occurs, clear them out without calling their
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
885 finalizers since they might rely on part of the object
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
886 being finalized that has already been destroyed. */
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
887 if (type->tp_weaklistoffset && !base->tp_weaklistoffset) {
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
888 /* Modeled after GET_WEAKREFS_LISTPTR() */
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
889 PyWeakReference **list = (PyWeakReference **) \
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
890 PyObject_GET_WEAKREFS_LISTPTR(self);
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
891 while (*list)
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
892 _PyWeakref_ClearRef(*list);
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40450
diff changeset
893 }
29308
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
894 }
ad1e67ac567b Fix for SF 742911. We now clear the weakrefs *before* calling __del__
Guido van Rossum <guido@python.org>
parents: 29201
diff changeset
895
29442
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
896 /* Clear slots up to the nearest base with a different tp_dealloc */
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
897 base = type;
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
898 while ((basedealloc = base->tp_dealloc) == subtype_dealloc) {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
899 if (Py_SIZE(base))
29442
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
900 clear_slots(base, self);
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
901 base = base->tp_base;
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
902 assert(base);
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
903 }
6fecc99afa69 - SF patch 751998 fixes an unwanted side effect of the previous fix
Guido van Rossum <guido@python.org>
parents: 29408
diff changeset
904
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
905 /* If we added a dict, DECREF it */
19616
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
906 if (type->tp_dictoffset && !base->tp_dictoffset) {
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
907 PyObject **dictptr = _PyObject_GetDictPtr(self);
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
908 if (dictptr != NULL) {
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
909 PyObject *dict = *dictptr;
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
910 if (dict != NULL) {
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
911 Py_DECREF(dict);
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
912 *dictptr = NULL;
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
913 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
914 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
915 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
916
30917
12c22d6b1ec0 subtype_dealloc(): Simplified overly contorted retracking logic. With
Tim Peters <tim.peters@gmail.com>
parents: 30915
diff changeset
917 /* Call the base tp_dealloc(); first retrack self if
12c22d6b1ec0 subtype_dealloc(): Simplified overly contorted retracking logic. With
Tim Peters <tim.peters@gmail.com>
parents: 30915
diff changeset
918 * basedealloc knows about gc.
12c22d6b1ec0 subtype_dealloc(): Simplified overly contorted retracking logic. With
Tim Peters <tim.peters@gmail.com>
parents: 30915
diff changeset
919 */
12c22d6b1ec0 subtype_dealloc(): Simplified overly contorted retracking logic. With
Tim Peters <tim.peters@gmail.com>
parents: 30915
diff changeset
920 if (PyType_IS_GC(base))
12c22d6b1ec0 subtype_dealloc(): Simplified overly contorted retracking logic. With
Tim Peters <tim.peters@gmail.com>
parents: 30915
diff changeset
921 _PyObject_GC_TRACK(self);
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
922 assert(basedealloc);
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
923 basedealloc(self);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
924
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
925 /* Can't reference self beyond this point */
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
926 Py_DECREF(type);
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
927
24653
1ab27c1770df Fix a subtle bug in the trashcan code I added yesterday to
Guido van Rossum <guido@python.org>
parents: 24614
diff changeset
928 endlabel:
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
929 ++_PyTrash_delete_nesting;
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
930 Py_TRASHCAN_SAFE_END(self);
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
931 --_PyTrash_delete_nesting;
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
932
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
933 /* Explanation of the weirdness around the trashcan macros:
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
934
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
935 Q. What do the trashcan macros do?
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
936
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
937 A. Read the comment titled "Trashcan mechanism" in object.h.
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
938 For one, this explains why there must be a call to GC-untrack
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
939 before the trashcan begin macro. Without understanding the
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
940 trashcan code, the answers to the following questions don't make
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
941 sense.
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
942
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
943 Q. Why do we GC-untrack before the trashcan and then immediately
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
944 GC-track again afterward?
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
945
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
946 A. In the case that the base class is GC-aware, the base class
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
947 probably GC-untracks the object. If it does that using the
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
948 UNTRACK macro, this will crash when the object is already
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
949 untracked. Because we don't know what the base class does, the
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
950 only safe thing is to make sure the object is tracked when we
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
951 call the base class dealloc. But... The trashcan begin macro
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
952 requires that the object is *untracked* before it is called. So
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
953 the dance becomes:
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
954
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
955 GC untrack
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
956 trashcan begin
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
957 GC track
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
958
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
959 Q. Why did the last question say "immediately GC-track again"?
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
960 It's nowhere near immediately.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
961
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
962 A. Because the code *used* to re-track immediately. Bad Idea.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
963 self has a refcount of 0, and if gc ever gets its hands on it
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
964 (which can happen if any weakref callback gets invoked), it
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
965 looks like trash to gc too, and gc also tries to delete self
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
966 then. But we're already deleting self. Double dealloction is
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
967 a subtle disaster.
30915
8081643c373f subtype_dealloc(): A more complete fix for critical bug 840829 +
Tim Peters <tim.peters@gmail.com>
parents: 30907
diff changeset
968
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
969 Q. Why the bizarre (net-zero) manipulation of
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
970 _PyTrash_delete_nesting around the trashcan macros?
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
971
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
972 A. Some base classes (e.g. list) also use the trashcan mechanism.
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
973 The following scenario used to be possible:
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
974
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
975 - suppose the trashcan level is one below the trashcan limit
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
976
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
977 - subtype_dealloc() is called
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
978
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
979 - the trashcan limit is not yet reached, so the trashcan level
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
980 is incremented and the code between trashcan begin and end is
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
981 executed
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
982
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
983 - this destroys much of the object's contents, including its
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
984 slots and __dict__
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
985
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
986 - basedealloc() is called; this is really list_dealloc(), or
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
987 some other type which also uses the trashcan macros
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
988
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
989 - the trashcan limit is now reached, so the object is put on the
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
990 trashcan's to-be-deleted-later list
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
991
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
992 - basedealloc() returns
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
993
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
994 - subtype_dealloc() decrefs the object's type
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
995
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
996 - subtype_dealloc() returns
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
997
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
998 - later, the trashcan code starts deleting the objects from its
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
999 to-be-deleted-later list
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1000
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1001 - subtype_dealloc() is called *AGAIN* for the same object
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1002
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1003 - at the very least (if the destroyed slots and __dict__ don't
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1004 cause problems) the object's type gets decref'ed a second
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1005 time, which is *BAD*!!!
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1006
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1007 The remedy is to make sure that if the code between trashcan
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1008 begin and end in subtype_dealloc() is called, the code between
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1009 trashcan begin and end in basedealloc() will also be called.
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1010 This is done by decrementing the level after passing into the
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1011 trashcan block, and incrementing it just before leaving the
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1012 block.
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1013
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1014 But now it's possible that a chain of objects consisting solely
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1015 of objects whose deallocator is subtype_dealloc() will defeat
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1016 the trashcan mechanism completely: the decremented level means
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1017 that the effective level never reaches the limit. Therefore, we
27707
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1018 *increment* the level *before* entering the trashcan block, and
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1019 matchingly decrement it after leaving. This means the trashcan
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1020 code will trigger a little early, but that's no big deal.
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1021
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1022 Q. Are there any live examples of code in need of all this
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1023 complexity?
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1024
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1025 A. Yes. See SF bug 668433 for code that crashed (when Python was
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1026 compiled in debug mode) before the trashcan level manipulations
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1027 were added. For more discussion, see SF patches 581742, 575073
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1028 and bug 574207.
e0fa52067dbe Fix for SF #668433. I'm not explaining it here; ample comments are in
Guido van Rossum <guido@python.org>
parents: 27132
diff changeset
1029 */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1030 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1031
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1032 static PyTypeObject *solid_base(PyTypeObject *type);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1033
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1034 /* type test with subclassing support */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1035
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1036 int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1037 PyType_IsSubtype(PyTypeObject *a, PyTypeObject *b)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1038 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1039 PyObject *mro;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1040
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1041 mro = a->tp_mro;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1042 if (mro != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1043 /* Deal with multiple inheritance without recursion
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1044 by walking the MRO tuple */
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1045 Py_ssize_t i, n;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1046 assert(PyTuple_Check(mro));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1047 n = PyTuple_GET_SIZE(mro);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1048 for (i = 0; i < n; i++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1049 if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1050 return 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1051 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1052 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1053 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1054 else {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1055 /* a is not completely initilized yet; follow tp_base */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1056 do {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1057 if (a == b)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1058 return 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1059 a = a->tp_base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1060 } while (a != NULL);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1061 return b == &PyBaseObject_Type;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1062 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1063 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1064
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1065 /* Internal routines to do a method lookup in the type
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1066 without looking in the instance dictionary
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1067 (so we can't use PyObject_GetAttr) but still binding
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1068 it to the instance. The arguments are the object,
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1069 the method name as a C string, and the address of a
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1070 static variable used to cache the interned Python string.
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1071
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1072 Two variants:
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1073
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1074 - lookup_maybe() returns NULL without raising an exception
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1075 when the _PyType_Lookup() call fails;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1076
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1077 - lookup_method() always raises an exception upon errors.
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1078 */
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1079
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1080 static PyObject *
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1081 lookup_maybe(PyObject *self, char *attrstr, PyObject **attrobj)
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1082 {
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1083 PyObject *res;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1084
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1085 if (*attrobj == NULL) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
1086 *attrobj = PyUnicode_InternFromString(attrstr);
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1087 if (*attrobj == NULL)
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1088 return NULL;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1089 }
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1090 res = _PyType_Lookup(Py_TYPE(self), *attrobj);
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1091 if (res != NULL) {
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1092 descrgetfunc f;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1093 if ((f = Py_TYPE(res)->tp_descr_get) == NULL)
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1094 Py_INCREF(res);
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1095 else
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1096 res = f(res, self, (PyObject *)(Py_TYPE(self)));
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1097 }
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1098 return res;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1099 }
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1100
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1101 static PyObject *
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1102 lookup_method(PyObject *self, char *attrstr, PyObject **attrobj)
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1103 {
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1104 PyObject *res = lookup_maybe(self, attrstr, attrobj);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1105 if (res == NULL && !PyErr_Occurred())
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1106 PyErr_SetObject(PyExc_AttributeError, *attrobj);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1107 return res;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1108 }
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1109
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1110 /* A variation of PyObject_CallMethod that uses lookup_method()
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1111 instead of PyObject_GetAttrString(). This uses the same convention
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1112 as lookup_method to cache the interned name string object. */
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1113
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
1114 static PyObject *
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1115 call_method(PyObject *o, char *name, PyObject **nameobj, char *format, ...)
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1116 {
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1117 va_list va;
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1118 PyObject *args, *func = 0, *retval;
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1119 va_start(va, format);
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1120
20225
aa18c0ecc4fb call_method(), call_maybe(): fix a performance bug: the argument
Guido van Rossum <guido@python.org>
parents: 20220
diff changeset
1121 func = lookup_maybe(o, name, nameobj);
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1122 if (func == NULL) {
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1123 va_end(va);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1124 if (!PyErr_Occurred())
20225
aa18c0ecc4fb call_method(), call_maybe(): fix a performance bug: the argument
Guido van Rossum <guido@python.org>
parents: 20220
diff changeset
1125 PyErr_SetObject(PyExc_AttributeError, *nameobj);
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1126 return NULL;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1127 }
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1128
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1129 if (format && *format)
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1130 args = Py_VaBuildValue(format, va);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1131 else
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1132 args = PyTuple_New(0);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1133
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1134 va_end(va);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1135
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1136 if (args == NULL)
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1137 return NULL;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1138
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1139 assert(PyTuple_Check(args));
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1140 retval = PyObject_Call(func, args, NULL);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1141
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1142 Py_DECREF(args);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1143 Py_DECREF(func);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1144
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1145 return retval;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1146 }
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1147
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1148 /* 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
1149
20595
c4d9d8674506 Add missing "static" declarations (found by "make smelly").
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 20586
diff changeset
1150 static PyObject *
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1151 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
1152 {
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1153 va_list va;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1154 PyObject *args, *func = 0, *retval;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1155 va_start(va, format);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1156
20225
aa18c0ecc4fb call_method(), call_maybe(): fix a performance bug: the argument
Guido van Rossum <guido@python.org>
parents: 20220
diff changeset
1157 func = lookup_maybe(o, name, nameobj);
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1158 if (func == NULL) {
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1159 va_end(va);
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1160 if (!PyErr_Occurred()) {
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1161 Py_INCREF(Py_NotImplemented);
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1162 return Py_NotImplemented;
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
1163 }
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
1164 return NULL;
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1165 }
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1166
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1167 if (format && *format)
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1168 args = Py_VaBuildValue(format, va);
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1169 else
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1170 args = PyTuple_New(0);
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1171
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1172 va_end(va);
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1173
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
1174 if (args == NULL)
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1175 return NULL;
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1176
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
1177 assert(PyTuple_Check(args));
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
1178 retval = PyObject_Call(func, args, NULL);
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1179
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1180 Py_DECREF(args);
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1181 Py_DECREF(func);
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1182
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1183 return retval;
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1184 }
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
1185
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1186 /*
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1187 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
1188 "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
1189 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
1190 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
1191 (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
1192
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1193 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
1194
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1195 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
1196 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
1197
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1198 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
1199
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1200 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
1201 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
1202 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
1203
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1204 Monotonicity.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1205 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
1206 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
1207
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1208 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
1209 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
1210 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
1211 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
1212 */
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1213
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1214 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
1215 tail_contains(PyObject *list, int whence, PyObject *o) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1216 Py_ssize_t j, size;
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1217 size = PyList_GET_SIZE(list);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1218
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1219 for (j = whence+1; j < size; j++) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1220 if (PyList_GET_ITEM(list, j) == o)
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1221 return 1;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1222 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1223 return 0;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1224 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1225
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1226 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
1227 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
1228 {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1229 PyObject *name = PyObject_GetAttrString(cls, "__name__");
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1230 if (name == NULL) {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1231 PyErr_Clear();
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1232 Py_XDECREF(name);
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43755
diff changeset
1233 name = PyObject_Repr(cls);
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1234 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1235 if (name == NULL)
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1236 return NULL;
42019
f5b65731bd6c Expect unicode in class_name.
Martin v. Löwis <martin@v.loewis.de>
parents: 42013
diff changeset
1237 if (!PyUnicode_Check(name)) {
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1238 Py_DECREF(name);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1239 return NULL;
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1240 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1241 return name;
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1242 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1243
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1244 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
1245 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
1246 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1247 Py_ssize_t i, j, n;
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1248 /* Let's use a quadratic time algorithm,
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1249 assuming that the bases lists is short.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1250 */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1251 n = PyList_GET_SIZE(list);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1252 for (i = 0; i < n; i++) {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1253 PyObject *o = PyList_GET_ITEM(list, i);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1254 for (j = i + 1; j < n; j++) {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1255 if (PyList_GET_ITEM(list, j) == o) {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1256 o = class_name(o);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1257 PyErr_Format(PyExc_TypeError,
46644
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
1258 "duplicate base class %.400s",
42019
f5b65731bd6c Expect unicode in class_name.
Martin v. Löwis <martin@v.loewis.de>
parents: 42013
diff changeset
1259 o ? PyUnicode_AsString(o) : "?");
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1260 Py_XDECREF(o);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1261 return -1;
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1262 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1263 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1264 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1265 return 0;
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1266 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1267
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1268 /* 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
1269
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1270 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
1271 insight into error reporting, report the classes that were candidates
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1272 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
1273 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
1274 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
1275 */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1276
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1277 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
1278 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
1279 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1280 Py_ssize_t i, n, off, to_merge_size;
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1281 char buf[1000];
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1282 PyObject *k, *v;
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1283 PyObject *set = PyDict_New();
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
1284 if (!set) return;
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1285
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1286 to_merge_size = PyList_GET_SIZE(to_merge);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1287 for (i = 0; i < to_merge_size; i++) {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1288 PyObject *L = PyList_GET_ITEM(to_merge, i);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1289 if (remain[i] < PyList_GET_SIZE(L)) {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1290 PyObject *c = PyList_GET_ITEM(L, remain[i]);
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
1291 if (PyDict_SetItem(set, c, Py_None) < 0) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
1292 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
1293 return;
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
1294 }
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1295 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1296 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1297 n = PyDict_Size(set);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1298
28514
9400504cb0b2 SF bug #699934: Obscure error message
Raymond Hettinger <python@rcn.com>
parents: 28403
diff changeset
1299 off = PyOS_snprintf(buf, sizeof(buf), "Cannot create a \
9400504cb0b2 SF bug #699934: Obscure error message
Raymond Hettinger <python@rcn.com>
parents: 28403
diff changeset
1300 consistent method resolution\norder (MRO) for bases");
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1301 i = 0;
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
1302 while (PyDict_Next(set, &i, &k, &v) && (size_t)off < sizeof(buf)) {
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1303 PyObject *name = class_name(k);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1304 off += PyOS_snprintf(buf + off, sizeof(buf) - off, " %s",
42019
f5b65731bd6c Expect unicode in class_name.
Martin v. Löwis <martin@v.loewis.de>
parents: 42013
diff changeset
1305 name ? PyUnicode_AsString(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
1306 Py_XDECREF(name);
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
1307 if (--n && (size_t)(off+1) < sizeof(buf)) {
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1308 buf[off++] = ',';
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1309 buf[off] = '\0';
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1310 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1311 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1312 PyErr_SetString(PyExc_TypeError, buf);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1313 Py_DECREF(set);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1314 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1315
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1316 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
1317 pmerge(PyObject *acc, PyObject* to_merge) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1318 Py_ssize_t i, j, to_merge_size, empty_cnt;
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1319 int *remain;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1320 int ok;
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1321
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1322 to_merge_size = PyList_GET_SIZE(to_merge);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1323
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1324 /* remain stores an index into each sublist of to_merge.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1325 remain[i] is the index of the next base in to_merge[i]
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1326 that is not included in acc.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1327 */
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
1328 remain = (int *)PyMem_MALLOC(SIZEOF_INT*to_merge_size);
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1329 if (remain == NULL)
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1330 return -1;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1331 for (i = 0; i < to_merge_size; i++)
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1332 remain[i] = 0;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1333
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1334 again:
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1335 empty_cnt = 0;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1336 for (i = 0; i < to_merge_size; i++) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1337 PyObject *candidate;
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1338
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1339 PyObject *cur_list = PyList_GET_ITEM(to_merge, i);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1340
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1341 if (remain[i] >= PyList_GET_SIZE(cur_list)) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1342 empty_cnt++;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1343 continue;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1344 }
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1345
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1346 /* Choose next candidate for MRO.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1347
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1348 The input sequences alone can determine the choice.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1349 If not, choose the class which appears in the MRO
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1350 of the earliest direct superclass of the new class.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1351 */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1352
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1353 candidate = PyList_GET_ITEM(cur_list, remain[i]);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1354 for (j = 0; j < to_merge_size; j++) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1355 PyObject *j_lst = PyList_GET_ITEM(to_merge, j);
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1356 if (tail_contains(j_lst, remain[j], candidate)) {
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1357 goto skip; /* continue outer loop */
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1358 }
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1359 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1360 ok = PyList_Append(acc, candidate);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1361 if (ok < 0) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1362 PyMem_Free(remain);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1363 return -1;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1364 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1365 for (j = 0; j < to_merge_size; j++) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1366 PyObject *j_lst = PyList_GET_ITEM(to_merge, j);
26964
5df7a284eaf4 Fix an out-of-bound index in pmerge() discovered by Zooko (SF bug
Guido van Rossum <guido@python.org>
parents: 26660
diff changeset
1367 if (remain[j] < PyList_GET_SIZE(j_lst) &&
5df7a284eaf4 Fix an out-of-bound index in pmerge() discovered by Zooko (SF bug
Guido van Rossum <guido@python.org>
parents: 26660
diff changeset
1368 PyList_GET_ITEM(j_lst, remain[j]) == candidate) {
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1369 remain[j]++;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1370 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1371 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1372 goto again;
26227
529719a5350e Repaired illegal syntax most compilers probably let slide (but MSVC
Tim Peters <tim.peters@gmail.com>
parents: 26222
diff changeset
1373 skip: ;
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1374 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1375
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1376 if (empty_cnt == to_merge_size) {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1377 PyMem_FREE(remain);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1378 return 0;
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1379 }
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1380 set_mro_error(to_merge, remain);
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1381 PyMem_FREE(remain);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1382 return -1;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1383 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1384
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1385 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1386 mro_implementation(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1387 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1388 Py_ssize_t i, n;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1389 int ok;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1390 PyObject *bases, *result;
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1391 PyObject *to_merge, *bases_aslist;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1392
45017
4725c84b0422 Merged revisions 60350-60363 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44654
diff changeset
1393 if (type->tp_dict == NULL) {
4725c84b0422 Merged revisions 60350-60363 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44654
diff changeset
1394 if (PyType_Ready(type) < 0)
23903
066f8938071a Patch from SF bug 570483 (Tim Northover).
Guido van Rossum <guido@python.org>
parents: 23856
diff changeset
1395 return NULL;
066f8938071a Patch from SF bug 570483 (Tim Northover).
Guido van Rossum <guido@python.org>
parents: 23856
diff changeset
1396 }
066f8938071a Patch from SF bug 570483 (Tim Northover).
Guido van Rossum <guido@python.org>
parents: 23856
diff changeset
1397
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1398 /* Find a superclass linearization that honors the constraints
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1399 of the explicit lists of bases and the constraints implied by
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
1400 each base class.
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1401
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1402 to_merge is a list of lists, where each list is a superclass
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1403 linearization implied by a base class. The last element of
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1404 to_merge is the declared list of bases.
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1405 */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1406
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1407 bases = type->tp_bases;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1408 n = PyTuple_GET_SIZE(bases);
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1409
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1410 to_merge = PyList_New(n+1);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1411 if (to_merge == NULL)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1412 return NULL;
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1413
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1414 for (i = 0; i < n; i++) {
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1415 PyObject *base = PyTuple_GET_ITEM(bases, i);
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1416 PyObject *parentMRO;
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
1417 parentMRO = PySequence_List(((PyTypeObject*)base)->tp_mro);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1418 if (parentMRO == NULL) {
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1419 Py_DECREF(to_merge);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1420 return NULL;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1421 }
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1422
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1423 PyList_SET_ITEM(to_merge, i, parentMRO);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1424 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1425
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1426 bases_aslist = PySequence_List(bases);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1427 if (bases_aslist == NULL) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1428 Py_DECREF(to_merge);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1429 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1430 }
26410
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1431 /* This is just a basic sanity check. */
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1432 if (check_duplicates(bases_aslist) < 0) {
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1433 Py_DECREF(to_merge);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1434 Py_DECREF(bases_aslist);
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1435 return NULL;
26918e2efd17 A tweaked version of Jeremy's patch #642489, to produce better error
Guido van Rossum <guido@python.org>
parents: 26227
diff changeset
1436 }
26222
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1437 PyList_SET_ITEM(to_merge, n, bases_aslist);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1438
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1439 result = Py_BuildValue("[O]", (PyObject *)type);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1440 if (result == NULL) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1441 Py_DECREF(to_merge);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1442 return NULL;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1443 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1444
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1445 ok = pmerge(result, to_merge);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1446 Py_DECREF(to_merge);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1447 if (ok < 0) {
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1448 Py_DECREF(result);
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1449 return NULL;
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1450 }
c95190532c0c Use the new C3 MRO algorithm, implemented by Samuele Pedroni (SF patch
Guido van Rossum <guido@python.org>
parents: 25853
diff changeset
1451
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1452 return result;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1453 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1454
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1455 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
1456 mro_external(PyObject *self)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1457 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1458 PyTypeObject *type = (PyTypeObject *)self;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1459
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1460 return mro_implementation(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1461 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1462
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1463 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1464 mro_internal(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1465 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1466 PyObject *mro, *result, *tuple;
36153
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1467 int checkit = 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1468
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1469 if (Py_TYPE(type) == &PyType_Type) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1470 result = mro_implementation(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1471 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1472 else {
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1473 static PyObject *mro_str;
36153
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1474 checkit = 1;
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
1475 mro = lookup_method((PyObject *)type, "mro", &mro_str);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1476 if (mro == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1477 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1478 result = PyObject_CallObject(mro, NULL);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1479 Py_DECREF(mro);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1480 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1481 if (result == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1482 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1483 tuple = PySequence_Tuple(result);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1484 Py_DECREF(result);
36153
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1485 if (tuple == NULL)
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1486 return -1;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1487 if (checkit) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1488 Py_ssize_t i, len;
36153
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1489 PyObject *cls;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1490 PyTypeObject *solid;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1491
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1492 solid = solid_base(type);
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1493
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1494 len = PyTuple_GET_SIZE(tuple);
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1495
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1496 for (i = 0; i < len; i++) {
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1497 PyTypeObject *t;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1498 cls = PyTuple_GET_ITEM(tuple, i);
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
1499 if (!PyType_Check(cls)) {
36153
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1500 PyErr_Format(PyExc_TypeError,
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1501 "mro() returned a non-class ('%.500s')",
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1502 Py_TYPE(cls)->tp_name);
36169
652429c4f2a4 Fix ref/memory leak introduced in rev 41845.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36153
diff changeset
1503 Py_DECREF(tuple);
36153
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1504 return -1;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1505 }
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1506 t = (PyTypeObject*)cls;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1507 if (!PyType_IsSubtype(solid, solid_base(t))) {
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1508 PyErr_Format(PyExc_TypeError,
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1509 "mro() returned base with unsuitable layout ('%.500s')",
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1510 t->tp_name);
36169
652429c4f2a4 Fix ref/memory leak introduced in rev 41845.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36153
diff changeset
1511 Py_DECREF(tuple);
36153
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1512 return -1;
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1513 }
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1514 }
042eb3d1ce3f SF bug #1153075: "PyXxx_Check(x) trusts x->ob_type->tp_mro".
Armin Rigo <arigo@tunes.org>
parents: 36150
diff changeset
1515 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1516 type->tp_mro = tuple;
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
1517
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
1518 type_mro_modified(type, type->tp_mro);
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
1519 /* corner case: the old-style super class might have been hidden
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
1520 from the custom MRO */
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
1521 type_mro_modified(type, type->tp_bases);
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
1522
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
1523 type_modified(type);
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
1524
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1525 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1526 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1527
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1528
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1529 /* Calculate the best base amongst multiple base classes.
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1530 This is the first one that's on the path to the "solid base". */
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 PyTypeObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1533 best_base(PyObject *bases)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1534 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1535 Py_ssize_t i, n;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1536 PyTypeObject *base, *winner, *candidate, *base_i;
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1537 PyObject *base_proto;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1538
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1539 assert(PyTuple_Check(bases));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1540 n = PyTuple_GET_SIZE(bases);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1541 assert(n > 0);
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1542 base = NULL;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1543 winner = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1544 for (i = 0; i < n; i++) {
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1545 base_proto = PyTuple_GET_ITEM(bases, i);
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1546 if (!PyType_Check(base_proto)) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1547 PyErr_SetString(
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1548 PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1549 "bases must be types");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1550 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1551 }
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1552 base_i = (PyTypeObject *)base_proto;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1553 if (base_i->tp_dict == NULL) {
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 19036
diff changeset
1554 if (PyType_Ready(base_i) < 0)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1555 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1556 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1557 candidate = solid_base(base_i);
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1558 if (winner == NULL) {
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1559 winner = candidate;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1560 base = base_i;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1561 }
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
1562 else if (PyType_IsSubtype(winner, candidate))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1563 ;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1564 else if (PyType_IsSubtype(candidate, winner)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1565 winner = candidate;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1566 base = base_i;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1567 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1568 else {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1569 PyErr_SetString(
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1570 PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1571 "multiple bases have "
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1572 "instance lay-out conflict");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1573 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1574 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1575 }
21404
064311149cb4 (Merge into trunk.)
Guido van Rossum <guido@python.org>
parents: 21246
diff changeset
1576 if (base == NULL)
064311149cb4 (Merge into trunk.)
Guido van Rossum <guido@python.org>
parents: 21246
diff changeset
1577 PyErr_SetString(PyExc_TypeError,
064311149cb4 (Merge into trunk.)
Guido van Rossum <guido@python.org>
parents: 21246
diff changeset
1578 "a new-style class can't have only classic bases");
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1579 return base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1580 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1581
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1582 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1583 extra_ivars(PyTypeObject *type, PyTypeObject *base)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1584 {
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
1585 size_t t_size = type->tp_basicsize;
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
1586 size_t b_size = base->tp_basicsize;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1587
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1588 assert(t_size >= b_size); /* Else type smaller than base! */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1589 if (type->tp_itemsize || base->tp_itemsize) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1590 /* If itemsize is involved, stricter rules */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1591 return t_size != b_size ||
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1592 type->tp_itemsize != base->tp_itemsize;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1593 }
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1594 if (type->tp_weaklistoffset && base->tp_weaklistoffset == 0 &&
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1595 type->tp_weaklistoffset + sizeof(PyObject *) == t_size &&
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1596 type->tp_flags & Py_TPFLAGS_HEAPTYPE)
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1597 t_size -= sizeof(PyObject *);
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1598 if (type->tp_dictoffset && base->tp_dictoffset == 0 &&
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1599 type->tp_dictoffset + sizeof(PyObject *) == t_size &&
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1600 type->tp_flags & Py_TPFLAGS_HEAPTYPE)
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1601 t_size -= sizeof(PyObject *);
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1602
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1603 return t_size != b_size;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1604 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1605
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1606 static PyTypeObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1607 solid_base(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1608 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1609 PyTypeObject *base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1610
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1611 if (type->tp_base)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1612 base = solid_base(type->tp_base);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1613 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1614 base = &PyBaseObject_Type;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1615 if (extra_ivars(type, base))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1616 return type;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1617 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1618 return base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1619 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1620
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1621 static void object_dealloc(PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1622 static int object_init(PyObject *, PyObject *, PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1623 static int update_slot(PyTypeObject *, PyObject *);
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
1624 static void fixup_slot_dispatchers(PyTypeObject *);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1625
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1626 /*
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1627 * Helpers for __dict__ descriptor. We don't want to expose the dicts
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1628 * inherited from various builtin types. The builtin base usually provides
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1629 * its own __dict__ descriptor, so we use that when we can.
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1630 */
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1631 static PyTypeObject *
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1632 get_builtin_base_with_dict(PyTypeObject *type)
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1633 {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1634 while (type->tp_base != NULL) {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1635 if (type->tp_dictoffset != 0 &&
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1636 !(type->tp_flags & Py_TPFLAGS_HEAPTYPE))
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1637 return type;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1638 type = type->tp_base;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1639 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1640 return NULL;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1641 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1642
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1643 static PyObject *
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1644 get_dict_descriptor(PyTypeObject *type)
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1645 {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1646 static PyObject *dict_str;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1647 PyObject *descr;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1648
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1649 if (dict_str == NULL) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
1650 dict_str = PyUnicode_InternFromString("__dict__");
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1651 if (dict_str == NULL)
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1652 return NULL;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1653 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1654 descr = _PyType_Lookup(type, dict_str);
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1655 if (descr == NULL || !PyDescr_IsData(descr))
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1656 return NULL;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1657
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1658 return descr;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1659 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1660
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1661 static void
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1662 raise_dict_descr_error(PyObject *obj)
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1663 {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1664 PyErr_Format(PyExc_TypeError,
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1665 "this __dict__ descriptor does not support "
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1666 "'%.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
1667 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1668
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1669 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
1670 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
1671 {
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1672 PyObject **dictptr;
19616
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1673 PyObject *dict;
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1674 PyTypeObject *base;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1675
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1676 base = get_builtin_base_with_dict(Py_TYPE(obj));
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1677 if (base != NULL) {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1678 descrgetfunc func;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1679 PyObject *descr = get_dict_descriptor(base);
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1680 if (descr == NULL) {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1681 raise_dict_descr_error(obj);
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1682 return NULL;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1683 }
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1684 func = Py_TYPE(descr)->tp_descr_get;
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1685 if (func == NULL) {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1686 raise_dict_descr_error(obj);
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1687 return NULL;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1688 }
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1689 return func(descr, obj, (PyObject *)(Py_TYPE(obj)));
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1690 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1691
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1692 dictptr = _PyObject_GetDictPtr(obj);
19616
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1693 if (dictptr == NULL) {
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1694 PyErr_SetString(PyExc_AttributeError,
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1695 "This object has no __dict__");
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1696 return NULL;
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1697 }
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1698 dict = *dictptr;
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
1699 if (dict == NULL)
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
1700 *dictptr = dict = PyDict_New();
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
1701 Py_XINCREF(dict);
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
1702 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
1703 }
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1704
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1705 static int
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1706 subtype_setdict(PyObject *obj, PyObject *value, void *context)
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1707 {
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1708 PyObject **dictptr;
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1709 PyObject *dict;
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1710 PyTypeObject *base;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1711
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1712 base = get_builtin_base_with_dict(Py_TYPE(obj));
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1713 if (base != NULL) {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1714 descrsetfunc func;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1715 PyObject *descr = get_dict_descriptor(base);
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1716 if (descr == NULL) {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1717 raise_dict_descr_error(obj);
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1718 return -1;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1719 }
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1720 func = Py_TYPE(descr)->tp_descr_set;
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1721 if (func == NULL) {
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1722 raise_dict_descr_error(obj);
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1723 return -1;
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1724 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1725 return func(descr, obj, value);
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1726 }
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1727
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41587
diff changeset
1728 dictptr = _PyObject_GetDictPtr(obj);
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1729 if (dictptr == NULL) {
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1730 PyErr_SetString(PyExc_AttributeError,
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1731 "This object has no __dict__");
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1732 return -1;
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1733 }
21235
b782490da7f0 At the PythonLabs meeting someone mentioned it would make Jim really
Guido van Rossum <guido@python.org>
parents: 21192
diff changeset
1734 if (value != NULL && !PyDict_Check(value)) {
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
1735 PyErr_Format(PyExc_TypeError,
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
1736 "__dict__ must be set to a dictionary, "
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1737 "not a '%.200s'", Py_TYPE(value)->tp_name);
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1738 return -1;
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1739 }
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1740 dict = *dictptr;
21235
b782490da7f0 At the PythonLabs meeting someone mentioned it would make Jim really
Guido van Rossum <guido@python.org>
parents: 21192
diff changeset
1741 Py_XINCREF(value);
20681
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1742 *dictptr = value;
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1743 Py_XDECREF(dict);
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1744 return 0;
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1745 }
a0f1c2d2ac9e Allow assignment to newinstance.__dict__.
Guido van Rossum <guido@python.org>
parents: 20599
diff changeset
1746
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1747 static PyObject *
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1748 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
1749 {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1750 PyObject **weaklistptr;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1751 PyObject *result;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1752
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1753 if (Py_TYPE(obj)->tp_weaklistoffset == 0) {
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1754 PyErr_SetString(PyExc_AttributeError,
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
1755 "This object has no __weakref__");
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1756 return NULL;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1757 }
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1758 assert(Py_TYPE(obj)->tp_weaklistoffset > 0);
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1759 assert(Py_TYPE(obj)->tp_weaklistoffset + sizeof(PyObject *) <=
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1760 (size_t)(Py_TYPE(obj)->tp_basicsize));
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1761 weaklistptr = (PyObject **)
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1762 ((char *)obj + Py_TYPE(obj)->tp_weaklistoffset);
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1763 if (*weaklistptr == NULL)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1764 result = Py_None;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1765 else
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1766 result = *weaklistptr;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1767 Py_INCREF(result);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1768 return result;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1769 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1770
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
1771 /* 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
1772
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1773 static PyGetSetDef subtype_getsets_full[] = {
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1774 {"__dict__", subtype_dict, subtype_setdict,
24785
4de9ac0e4173 Allow docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24762
diff changeset
1775 PyDoc_STR("dictionary for instance variables (if defined)")},
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1776 {"__weakref__", subtype_getweakref, NULL,
24785
4de9ac0e4173 Allow docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24762
diff changeset
1777 PyDoc_STR("list of weak references to the object (if defined)")},
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1778 {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
1779 };
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1780
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
1781 static PyGetSetDef subtype_getsets_dict_only[] = {
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1782 {"__dict__", subtype_dict, subtype_setdict,
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1783 PyDoc_STR("dictionary for instance variables (if defined)")},
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1784 {0}
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1785 };
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1786
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1787 static PyGetSetDef subtype_getsets_weakref_only[] = {
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1788 {"__weakref__", subtype_getweakref, NULL,
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1789 PyDoc_STR("list of weak references to the object (if defined)")},
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1790 {0}
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1791 };
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
1792
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1793 static int
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1794 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
1795 {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
1796 if (!PyUnicode_Check(s)) {
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
1797 PyErr_Format(PyExc_TypeError,
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
1798 "__slots__ items must be strings, not '%.200s'",
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1799 Py_TYPE(s)->tp_name);
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1800 return 0;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1801 }
43074
db9a176190d3 Fix #1753395.
Georg Brandl <georg@python.org>
parents: 42862
diff changeset
1802 if (!PyUnicode_IsIdentifier(s)) {
db9a176190d3 Fix #1753395.
Georg Brandl <georg@python.org>
parents: 42862
diff changeset
1803 PyErr_SetString(PyExc_TypeError,
db9a176190d3 Fix #1753395.
Georg Brandl <georg@python.org>
parents: 42862
diff changeset
1804 "__slots__ must be identifiers");
db9a176190d3 Fix #1753395.
Georg Brandl <georg@python.org>
parents: 42862
diff changeset
1805 return 0;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1806 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1807 return 1;
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1808 }
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
1809
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1810 /* Forward */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1811 static int
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1812 object_init(PyObject *self, PyObject *args, PyObject *kwds);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1813
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1814 static int
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1815 type_init(PyObject *cls, PyObject *args, PyObject *kwds)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1816 {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1817 int res;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1818
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1819 assert(args != NULL && PyTuple_Check(args));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1820 assert(kwds == NULL || PyDict_Check(kwds));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1821
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1822 if (kwds != NULL && PyDict_Check(kwds) && PyDict_Size(kwds) != 0) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1823 PyErr_SetString(PyExc_TypeError,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1824 "type.__init__() takes no keyword arguments");
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1825 return -1;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1826 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1827
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1828 if (args != NULL && PyTuple_Check(args) &&
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1829 (PyTuple_GET_SIZE(args) != 1 && PyTuple_GET_SIZE(args) != 3)) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1830 PyErr_SetString(PyExc_TypeError,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1831 "type.__init__() takes 1 or 3 arguments");
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1832 return -1;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1833 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1834
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1835 /* Call object.__init__(self) now. */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1836 /* XXX Could call super(type, cls).__init__() but what's the point? */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1837 args = PyTuple_GetSlice(args, 0, 0);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1838 res = object_init(cls, args, NULL);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1839 Py_DECREF(args);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1840 return res;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1841 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
1842
19616
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
1843 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1844 type_new(PyTypeObject *metatype, PyObject *args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1845 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1846 PyObject *name, *bases, *dict;
36675
dba6494735d0 Revert backwards-incompatible const changes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36631
diff changeset
1847 static char *kwlist[] = {"name", "bases", "dict", 0};
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
1848 PyObject *slots, *tmp, *newslots;
19329
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
1849 PyTypeObject *type, *base, *tmptype, *winner;
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
1850 PyHeapTypeObject *et;
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
1851 PyMemberDef *mp;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1852 Py_ssize_t i, nbases, nslots, slotoffset, add_dict, add_weak;
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1853 int j, may_add_dict, may_add_weak;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1854
20725
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1855 assert(args != NULL && PyTuple_Check(args));
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1856 assert(kwds == NULL || PyDict_Check(kwds));
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1857
19329
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
1858 /* Special case: type(x) should return x->ob_type */
20725
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1859 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1860 const Py_ssize_t nargs = PyTuple_GET_SIZE(args);
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
1861 const Py_ssize_t nkwds = kwds == NULL ? 0 : PyDict_Size(kwds);
20725
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1862
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1863 if (PyType_CheckExact(metatype) && nargs == 1 && nkwds == 0) {
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1864 PyObject *x = PyTuple_GET_ITEM(args, 0);
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1865 Py_INCREF(Py_TYPE(x));
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1866 return (PyObject *) Py_TYPE(x);
20725
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1867 }
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1868
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1869 /* SF bug 475327 -- if that didn't trigger, we need 3
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1870 arguments. but PyArg_ParseTupleAndKeywords below may give
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1871 a msg saying type() needs exactly 3. */
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1872 if (nargs + nkwds != 3) {
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1873 PyErr_SetString(PyExc_TypeError,
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1874 "type() takes 1 or 3 arguments");
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1875 return NULL;
7130750a6222 SF bug #475327: type() produces incorrect error msg
Tim Peters <tim.peters@gmail.com>
parents: 20681
diff changeset
1876 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1877 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1878
19329
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
1879 /* Check arguments: (name, bases, dict) */
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43755
diff changeset
1880 if (!PyArg_ParseTupleAndKeywords(args, kwds, "UO!O!:type", kwlist,
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1881 &name,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1882 &PyTuple_Type, &bases,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1883 &PyDict_Type, &dict))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1884 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1885
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1886 /* Determine the proper metatype to deal with this,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1887 and check for metatype conflicts while we're at it.
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1888 Note that if some other metatype wins to contract,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1889 it's possible that its instances are not types. */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1890 nbases = PyTuple_GET_SIZE(bases);
19329
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
1891 winner = metatype;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1892 for (i = 0; i < nbases; i++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1893 tmp = PyTuple_GET_ITEM(bases, i);
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
1894 tmptype = Py_TYPE(tmp);
19329
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
1895 if (PyType_IsSubtype(winner, tmptype))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1896 continue;
19329
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
1897 if (PyType_IsSubtype(tmptype, winner)) {
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
1898 winner = tmptype;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1899 continue;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1900 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1901 PyErr_SetString(PyExc_TypeError,
28737
d792544ab111 Improve the message about metatype/metaclass conflicts.
Guido van Rossum <guido@python.org>
parents: 28640
diff changeset
1902 "metaclass conflict: "
d792544ab111 Improve the message about metatype/metaclass conflicts.
Guido van Rossum <guido@python.org>
parents: 28640
diff changeset
1903 "the metaclass of a derived class "
d792544ab111 Improve the message about metatype/metaclass conflicts.
Guido van Rossum <guido@python.org>
parents: 28640
diff changeset
1904 "must be a (non-strict) subclass "
d792544ab111 Improve the message about metatype/metaclass conflicts.
Guido van Rossum <guido@python.org>
parents: 28640
diff changeset
1905 "of the metaclasses of all its bases");
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1906 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1907 }
19329
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
1908 if (winner != metatype) {
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
1909 if (winner->tp_new != type_new) /* Pass it to the winner */
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
1910 return winner->tp_new(winner, args, kwds);
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
1911 metatype = winner;
f93c16c10a55 type_new(): only defer to the winning metatype if it's different from
Guido van Rossum <guido@python.org>
parents: 19316
diff changeset
1912 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1913
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1914 /* Adjust for empty tuple bases */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1915 if (nbases == 0) {
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
1916 bases = PyTuple_Pack(1, &PyBaseObject_Type);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1917 if (bases == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1918 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1919 nbases = 1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1920 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1921 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1922 Py_INCREF(bases);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1923
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1924 /* XXX From here until type is allocated, "return NULL" leaks bases! */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1925
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1926 /* Calculate best base, and check that all bases are type objects */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1927 base = best_base(bases);
30098
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
1928 if (base == NULL) {
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
1929 Py_DECREF(bases);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1930 return NULL;
30098
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
1931 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1932 if (!PyType_HasFeature(base, Py_TPFLAGS_BASETYPE)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1933 PyErr_Format(PyExc_TypeError,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1934 "type '%.100s' is not an acceptable base type",
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1935 base->tp_name);
30098
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
1936 Py_DECREF(bases);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1937 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1938 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1939
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1940 /* Check for a __slots__ sequence variable in dict, and count it */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1941 slots = PyDict_GetItemString(dict, "__slots__");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1942 nslots = 0;
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1943 add_dict = 0;
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
1944 add_weak = 0;
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1945 may_add_dict = base->tp_dictoffset == 0;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1946 may_add_weak = base->tp_weaklistoffset == 0 && base->tp_itemsize == 0;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1947 if (slots == NULL) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1948 if (may_add_dict) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1949 add_dict++;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1950 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1951 if (may_add_weak) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1952 add_weak++;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1953 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1954 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1955 else {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1956 /* Have slots */
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1957
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1958 /* Make it into a tuple */
42862
ed1594a16bdb Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42854
diff changeset
1959 if (PyUnicode_Check(slots))
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
1960 slots = PyTuple_Pack(1, slots);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1961 else
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1962 slots = PySequence_Tuple(slots);
30098
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
1963 if (slots == NULL) {
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
1964 Py_DECREF(bases);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1965 return NULL;
30098
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
1966 }
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1967 assert(PyTuple_Check(slots));
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1968
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1969 /* Are slots allowed? */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1970 nslots = PyTuple_GET_SIZE(slots);
29899
434b6cda4fa5 Remove unnecessary check in tests for slots allowed.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29611
diff changeset
1971 if (nslots > 0 && base->tp_itemsize != 0) {
19595
db36e396f043 Safety measures now that str and tuple are subclassable:
Guido van Rossum <guido@python.org>
parents: 19594
diff changeset
1972 PyErr_Format(PyExc_TypeError,
db36e396f043 Safety measures now that str and tuple are subclassable:
Guido van Rossum <guido@python.org>
parents: 19594
diff changeset
1973 "nonempty __slots__ "
db36e396f043 Safety measures now that str and tuple are subclassable:
Guido van Rossum <guido@python.org>
parents: 19594
diff changeset
1974 "not supported for subtype of '%s'",
db36e396f043 Safety measures now that str and tuple are subclassable:
Guido van Rossum <guido@python.org>
parents: 19594
diff changeset
1975 base->tp_name);
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1976 bad_slots:
30098
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
1977 Py_DECREF(bases);
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1978 Py_DECREF(slots);
19595
db36e396f043 Safety measures now that str and tuple are subclassable:
Guido van Rossum <guido@python.org>
parents: 19594
diff changeset
1979 return NULL;
db36e396f043 Safety measures now that str and tuple are subclassable:
Guido van Rossum <guido@python.org>
parents: 19594
diff changeset
1980 }
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1981
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1982 /* Check for valid slot names and two special cases */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
1983 for (i = 0; i < nslots; i++) {
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1984 PyObject *tmp = PyTuple_GET_ITEM(slots, i);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1985 if (!valid_identifier(tmp))
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1986 goto bad_slots;
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
1987 assert(PyUnicode_Check(tmp));
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
1988 if (PyUnicode_CompareWithASCIIString(tmp, "__dict__") == 0) {
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1989 if (!may_add_dict || add_dict) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1990 PyErr_SetString(PyExc_TypeError,
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1991 "__dict__ slot disallowed: "
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1992 "we already got one");
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1993 goto bad_slots;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1994 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1995 add_dict++;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1996 }
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
1997 if (PyUnicode_CompareWithASCIIString(tmp, "__weakref__") == 0) {
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1998 if (!may_add_weak || add_weak) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
1999 PyErr_SetString(PyExc_TypeError,
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2000 "__weakref__ slot disallowed: "
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2001 "either we already got one, "
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2002 "or __itemsize__ != 0");
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2003 goto bad_slots;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2004 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2005 add_weak++;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2006 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2007 }
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2008
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2009 /* Copy slots into a list, mangle names and sort them.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2010 Sorted names are needed for __class__ assignment.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2011 Convert them back to tuple at the end.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2012 */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2013 newslots = PyList_New(nslots - add_dict - add_weak);
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2014 if (newslots == NULL)
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2015 goto bad_slots;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2016 for (i = j = 0; i < nslots; i++) {
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2017 tmp = PyTuple_GET_ITEM(slots, i);
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
2018 if ((add_dict &&
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
2019 PyUnicode_CompareWithASCIIString(tmp, "__dict__") == 0) ||
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
2020 (add_weak &&
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
2021 PyUnicode_CompareWithASCIIString(tmp, "__weakref__") == 0))
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2022 continue;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35637
diff changeset
2023 tmp =_Py_Mangle(name, tmp);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2024 if (!tmp)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2025 goto bad_slots;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2026 PyList_SET_ITEM(newslots, j, tmp);
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2027 j++;
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2028 }
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2029 assert(j == nslots - add_dict - add_weak);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2030 nslots = j;
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2031 Py_DECREF(slots);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2032 if (PyList_Sort(newslots) == -1) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2033 Py_DECREF(bases);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2034 Py_DECREF(newslots);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2035 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2036 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2037 slots = PyList_AsTuple(newslots);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2038 Py_DECREF(newslots);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2039 if (slots == NULL) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2040 Py_DECREF(bases);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2041 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2042 }
23950
f7ce696979e1 SF 569257 -- Name mangle double underscored variable names in __slots__.
Raymond Hettinger <python@rcn.com>
parents: 23903
diff changeset
2043
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2044 /* Secondary bases may provide weakrefs or dict */
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2045 if (nbases > 1 &&
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2046 ((may_add_dict && !add_dict) ||
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2047 (may_add_weak && !add_weak))) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2048 for (i = 0; i < nbases; i++) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2049 tmp = PyTuple_GET_ITEM(bases, i);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2050 if (tmp == (PyObject *)base)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2051 continue; /* Skip primary base */
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2052 assert(PyType_Check(tmp));
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2053 tmptype = (PyTypeObject *)tmp;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2054 if (may_add_dict && !add_dict &&
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2055 tmptype->tp_dictoffset != 0)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2056 add_dict++;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2057 if (may_add_weak && !add_weak &&
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2058 tmptype->tp_weaklistoffset != 0)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2059 add_weak++;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2060 if (may_add_dict && !add_dict)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2061 continue;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2062 if (may_add_weak && !add_weak)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2063 continue;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2064 /* Nothing more to check */
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2065 break;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2066 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2067 }
19349
9b5a2c1a02f3 Weak reference support, closing SF bug #451773.
Guido van Rossum <guido@python.org>
parents: 19339
diff changeset
2068 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2069
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2070 /* XXX From here until type is safely allocated,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2071 "return NULL" may leak slots! */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2072
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2073 /* Allocate the type object */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2074 type = (PyTypeObject *)metatype->tp_alloc(metatype, nslots);
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2075 if (type == NULL) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2076 Py_XDECREF(slots);
30098
d6379620fb08 /* XXX From here until type is allocated, "return NULL" leaks bases! */
Michael W. Hudson <mwh@python.net>
parents: 30084
diff changeset
2077 Py_DECREF(bases);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2078 return NULL;
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2079 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2080
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2081 /* Keep name and slots alive in the extended type object */
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2082 et = (PyHeapTypeObject *)type;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2083 Py_INCREF(name);
36631
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
Georg Brandl <georg@python.org>
parents: 36519
diff changeset
2084 et->ht_name = name;
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
Georg Brandl <georg@python.org>
parents: 36519
diff changeset
2085 et->ht_slots = slots;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2086
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
2087 /* Initialize tp_flags */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2088 type->tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HEAPTYPE |
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2089 Py_TPFLAGS_BASETYPE;
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2090 if (base->tp_flags & Py_TPFLAGS_HAVE_GC)
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2091 type->tp_flags |= Py_TPFLAGS_HAVE_GC;
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
2092
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
2093 /* Initialize essential fields */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2094 type->tp_as_number = &et->as_number;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2095 type->tp_as_sequence = &et->as_sequence;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2096 type->tp_as_mapping = &et->as_mapping;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2097 type->tp_as_buffer = &et->as_buffer;
42862
ed1594a16bdb Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42854
diff changeset
2098 type->tp_name = PyUnicode_AsString(name);
ed1594a16bdb Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42854
diff changeset
2099 if (!type->tp_name) {
ed1594a16bdb Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42854
diff changeset
2100 Py_DECREF(type);
ed1594a16bdb Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42854
diff changeset
2101 return NULL;
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
2102 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2103
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2104 /* Set tp_base and tp_bases */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2105 type->tp_bases = bases;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2106 Py_INCREF(base);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2107 type->tp_base = base;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2108
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
2109 /* Initialize tp_dict from passed-in dict */
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
2110 type->tp_dict = dict = PyDict_Copy(dict);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2111 if (dict == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2112 Py_DECREF(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2113 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2114 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2115
19300
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2116 /* Set __module__ in the dict */
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2117 if (PyDict_GetItemString(dict, "__module__") == NULL) {
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2118 tmp = PyEval_GetGlobals();
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2119 if (tmp != NULL) {
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2120 tmp = PyDict_GetItemString(tmp, "__name__");
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2121 if (tmp != NULL) {
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2122 if (PyDict_SetItemString(dict, "__module__",
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2123 tmp) < 0)
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2124 return NULL;
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2125 }
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2126 }
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2127 }
81440dd326bb Fix SF bug #442501: calculate __module__ properly.
Guido van Rossum <guido@python.org>
parents: 19297
diff changeset
2128
20239
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2129 /* Set tp_doc to a copy of dict['__doc__'], if the latter is there
22348
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
2130 and is a string. The __doc__ accessor will first look for tp_doc;
51aa9eb24d81 SF patch 530070: pydoc regression, from Martin and Guido.
Tim Peters <tim.peters@gmail.com>
parents: 22331
diff changeset
2131 if that fails, it will still look into __dict__.
20239
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2132 */
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2133 {
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2134 PyObject *doc = PyDict_GetItemString(dict, "__doc__");
42854
824b9d52e006 Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42822
diff changeset
2135 if (doc != NULL && PyUnicode_Check(doc)) {
46644
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2136 Py_ssize_t len;
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2137 char *doc_str;
42854
824b9d52e006 Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42822
diff changeset
2138 char *tp_doc;
46644
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2139
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2140 doc_str = PyUnicode_AsStringAndSize(doc, &len);
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2141 if (doc_str == NULL) {
42854
824b9d52e006 Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42822
diff changeset
2142 Py_DECREF(type);
824b9d52e006 Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42822
diff changeset
2143 return NULL;
20239
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2144 }
46644
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2145 if ((Py_ssize_t)strlen(doc_str) != len) {
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2146 PyErr_SetString(PyExc_TypeError,
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2147 "__doc__ contains null-bytes");
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2148 Py_DECREF(type);
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2149 return NULL;
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2150 }
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2151 tp_doc = (char *)PyObject_MALLOC(len + 1);
42854
824b9d52e006 Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42822
diff changeset
2152 if (tp_doc == NULL) {
824b9d52e006 Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42822
diff changeset
2153 Py_DECREF(type);
824b9d52e006 Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42822
diff changeset
2154 return NULL;
42822
302aeee32da8 Use unicode
Neal Norwitz <nnorwitz@gmail.com>
parents: 42817
diff changeset
2155 }
46644
ea594306ea85 Issue #1950: Fixed misusage of PyUnicode_AsString().
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46336
diff changeset
2156 memcpy(tp_doc, doc_str, len + 1);
42854
824b9d52e006 Use unicode and remove support for some uses of str8.
Neal Norwitz <nnorwitz@gmail.com>
parents: 42822
diff changeset
2157 type->tp_doc = tp_doc;
20239
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2158 }
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2159 }
2745c3dc24af SF bug [#467331] ClassType.__doc__ always None.
Tim Peters <tim.peters@gmail.com>
parents: 20231
diff changeset
2160
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2161 /* Special-case __new__: if it's a plain function,
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2162 make it a static function */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2163 tmp = PyDict_GetItemString(dict, "__new__");
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2164 if (tmp != NULL && PyFunction_Check(tmp)) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2165 tmp = PyStaticMethod_New(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2166 if (tmp == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2167 Py_DECREF(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2168 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2169 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2170 PyDict_SetItemString(dict, "__new__", tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2171 Py_DECREF(tmp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2172 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2173
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2174 /* Add descriptors for custom slots from __slots__, or for __dict__ */
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2175 mp = PyHeapType_GET_MEMBERS(et);
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
2176 slotoffset = base->tp_basicsize;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2177 if (slots != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2178 for (i = 0; i < nslots; i++, mp++) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
2179 mp->name = PyUnicode_AsString(
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2180 PyTuple_GET_ITEM(slots, i));
21192
c18ad52dece3 Fix SF bug #486144: Uninitialized __slot__ vrbl is None.
Guido van Rossum <guido@python.org>
parents: 21151
diff changeset
2181 mp->type = T_OBJECT_EX;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2182 mp->offset = slotoffset;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2183
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2184 /* __dict__ and __weakref__ are already filtered out */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2185 assert(strcmp(mp->name, "__dict__") != 0);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2186 assert(strcmp(mp->name, "__weakref__") != 0);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2187
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2188 slotoffset += sizeof(PyObject *);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2189 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2190 }
24761
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2191 if (add_dict) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2192 if (base->tp_itemsize)
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2193 type->tp_dictoffset = -(long)sizeof(PyObject *);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2194 else
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2195 type->tp_dictoffset = slotoffset;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2196 slotoffset += sizeof(PyObject *);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2197 }
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2198 if (add_weak) {
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2199 assert(!base->tp_itemsize);
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2200 type->tp_weaklistoffset = slotoffset;
e0431d9c4474 Refactor how __dict__ and __weakref__ interact with __slots__.
Guido van Rossum <guido@python.org>
parents: 24728
diff changeset
2201 slotoffset += sizeof(PyObject *);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2202 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2203 type->tp_basicsize = slotoffset;
19616
337b53679c73 Pytype_GenericAlloc(): round up size so we zap all four bytes of the
Guido van Rossum <guido@python.org>
parents: 19595
diff changeset
2204 type->tp_itemsize = base->tp_itemsize;
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2205 type->tp_members = PyHeapType_GET_MEMBERS(et);
27132
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2206
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2207 if (type->tp_weaklistoffset && type->tp_dictoffset)
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2208 type->tp_getset = subtype_getsets_full;
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2209 else if (type->tp_weaklistoffset && !type->tp_dictoffset)
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2210 type->tp_getset = subtype_getsets_weakref_only;
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2211 else if (!type->tp_weaklistoffset && type->tp_dictoffset)
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2212 type->tp_getset = subtype_getsets_dict_only;
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2213 else
22d660494f29 Fix for SF bug #642358: only provide a new with a __dict__ or
Guido van Rossum <guido@python.org>
parents: 27124
diff changeset
2214 type->tp_getset = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2215
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2216 /* Special case some slots */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2217 if (type->tp_dictoffset != 0 || nslots > 0) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2218 if (base->tp_getattr == NULL && base->tp_getattro == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2219 type->tp_getattro = PyObject_GenericGetAttr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2220 if (base->tp_setattr == NULL && base->tp_setattro == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2221 type->tp_setattro = PyObject_GenericSetAttr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2222 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2223 type->tp_dealloc = subtype_dealloc;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2224
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
2225 /* Enable GC unless there are really no instance variables possible */
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
2226 if (!(type->tp_basicsize == sizeof(PyObject) &&
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
2227 type->tp_itemsize == 0))
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
2228 type->tp_flags |= Py_TPFLAGS_HAVE_GC;
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
2229
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2230 /* Always override allocation strategy to use regular heap */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2231 type->tp_alloc = PyType_GenericAlloc;
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2232 if (type->tp_flags & Py_TPFLAGS_HAVE_GC) {
22980
9f949027d7ba Change signature of _PyObject_GC_Malloc to match PyObject_MALLOC.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22871
diff changeset
2233 type->tp_free = PyObject_GC_Del;
20277
2983b54256c7 Enable GC for new-style instances. This touches lots of files, since
Guido van Rossum <guido@python.org>
parents: 20259
diff changeset
2234 type->tp_traverse = subtype_traverse;
23666
2becb5793acd Address SF bug 519621: slots weren't traversed by GC.
Guido van Rossum <guido@python.org>
parents: 23649
diff changeset
2235 type->tp_clear = subtype_clear;
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2236 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2237 else
22980
9f949027d7ba Change signature of _PyObject_GC_Malloc to match PyObject_MALLOC.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 22871
diff changeset
2238 type->tp_free = PyObject_Del;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2239
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2240 /* Initialize the rest */
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 19036
diff changeset
2241 if (PyType_Ready(type) < 0) {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2242 Py_DECREF(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2243 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2244 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2245
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
2246 /* Put the proper slots in place */
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
2247 fixup_slot_dispatchers(type);
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
2248
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2249 return (PyObject *)type;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2250 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2251
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2252 /* 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
2253 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
2254 PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2255 _PyType_Lookup(PyTypeObject *type, PyObject *name)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2256 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
2257 Py_ssize_t i, n;
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
2258 PyObject *mro, *res, *base, *dict;
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2259 unsigned int h;
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2260
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2261 if (MCACHE_CACHEABLE_NAME(name) &&
45017
4725c84b0422 Merged revisions 60350-60363 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44654
diff changeset
2262 PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) {
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2263 /* fast path */
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2264 h = MCACHE_HASH_METHOD(type, name);
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2265 if (method_cache[h].version == type->tp_version_tag &&
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2266 method_cache[h].name == name)
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2267 return method_cache[h].value;
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2268 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2269
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
2270 /* Look in tp_dict of types in MRO */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2271 mro = type->tp_mro;
23753
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
2272
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
2273 /* If mro is NULL, the type is either not yet initialized
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
2274 by PyType_Ready(), or already cleared by type_clear().
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
2275 Either way the safest thing to do is to return NULL. */
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
2276 if (mro == NULL)
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
2277 return NULL;
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
2278
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2279 res = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2280 assert(PyTuple_Check(mro));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2281 n = PyTuple_GET_SIZE(mro);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2282 for (i = 0; i < n; i++) {
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
2283 base = PyTuple_GET_ITEM(mro, i);
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
2284 assert(PyType_Check(base));
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
2285 dict = ((PyTypeObject *)base)->tp_dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2286 assert(dict && PyDict_Check(dict));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2287 res = PyDict_GetItem(dict, name);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2288 if (res != NULL)
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2289 break;
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2290 }
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2291
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2292 if (MCACHE_CACHEABLE_NAME(name) && assign_version_tag(type)) {
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2293 h = MCACHE_HASH_METHOD(type, name);
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2294 method_cache[h].version = type->tp_version_tag;
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2295 method_cache[h].value = res; /* borrowed */
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2296 Py_INCREF(name);
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2297 Py_DECREF(method_cache[h].name);
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2298 method_cache[h].name = name;
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2299 }
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
2300 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2301 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2302
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2303 /* This is similar to PyObject_GenericGetAttr(),
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2304 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
2305 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2306 type_getattro(PyTypeObject *type, PyObject *name)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2307 {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
2308 PyTypeObject *metatype = Py_TYPE(type);
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2309 PyObject *meta_attribute, *attribute;
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2310 descrgetfunc meta_get;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2311
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2312 /* Initialize this type (we'll assume the metatype is initialized) */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2313 if (type->tp_dict == NULL) {
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 19036
diff changeset
2314 if (PyType_Ready(type) < 0)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2315 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2316 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2317
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2318 /* No readable descriptor found yet */
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2319 meta_get = NULL;
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 23967
diff changeset
2320
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2321 /* Look for the attribute in the metatype */
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2322 meta_attribute = _PyType_Lookup(metatype, name);
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2323
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2324 if (meta_attribute != NULL) {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
2325 meta_get = Py_TYPE(meta_attribute)->tp_descr_get;
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 23967
diff changeset
2326
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2327 if (meta_get != NULL && PyDescr_IsData(meta_attribute)) {
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2328 /* Data descriptors implement tp_descr_set to intercept
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2329 * writes. Assume the attribute is not overridden in
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2330 * type's tp_dict (and bases): call the descriptor now.
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2331 */
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2332 return meta_get(meta_attribute, (PyObject *)type,
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2333 (PyObject *)metatype);
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2334 }
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2335 Py_INCREF(meta_attribute);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2336 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2337
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2338 /* No data descriptor found on metatype. Look in tp_dict of this
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2339 * type and its bases */
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2340 attribute = _PyType_Lookup(type, name);
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2341 if (attribute != NULL) {
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2342 /* Implement descriptor functionality, if any */
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
2343 descrgetfunc local_get = Py_TYPE(attribute)->tp_descr_get;
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2344
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2345 Py_XDECREF(meta_attribute);
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2346
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2347 if (local_get != NULL) {
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2348 /* NULL 2nd argument indicates the descriptor was
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2349 * found on the target object itself (or a base) */
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2350 return local_get(attribute, (PyObject *)NULL,
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2351 (PyObject *)type);
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2352 }
24184
c4dcb80f48ea object.h special-build macro minefield: renamed all the new lexical
Tim Peters <tim.peters@gmail.com>
parents: 23967
diff changeset
2353
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2354 Py_INCREF(attribute);
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2355 return attribute;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2356 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2357
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2358 /* No attribute found in local __dict__ (or bases): use the
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2359 * descriptor from the metatype, if any */
30159
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2360 if (meta_get != NULL) {
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2361 PyObject *res;
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2362 res = meta_get(meta_attribute, (PyObject *)type,
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2363 (PyObject *)metatype);
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2364 Py_DECREF(meta_attribute);
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2365 return res;
941d49a65f06 Fix for
Michael W. Hudson <mwh@python.net>
parents: 30098
diff changeset
2366 }
22804
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2367
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2368 /* If an ordinary attribute was found on the metatype, return it now */
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2369 if (meta_attribute != NULL) {
77343aa03e2f Clarifying code rearrangement and comments by David Abrahams. I've
Guido van Rossum <guido@python.org>
parents: 22774
diff changeset
2370 return meta_attribute;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2371 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2372
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2373 /* Give up */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2374 PyErr_Format(PyExc_AttributeError,
42040
96eefc7a67a0 Simplify error formatting and type_repr().
Walter Dörwald <walter@livinglogic.de>
parents: 42037
diff changeset
2375 "type object '%.50s' has no attribute '%U'",
96eefc7a67a0 Simplify error formatting and type_repr().
Walter Dörwald <walter@livinglogic.de>
parents: 42037
diff changeset
2376 type->tp_name, name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2377 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2378 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2379
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2380 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2381 type_setattro(PyTypeObject *type, PyObject *name, PyObject *value)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2382 {
20439
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2383 if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2384 PyErr_Format(
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2385 PyExc_TypeError,
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2386 "can't set attributes of built-in/extension type '%s'",
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2387 type->tp_name);
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2388 return -1;
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
2389 }
20439
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2390 if (PyObject_GenericSetAttr((PyObject *)type, name, value) < 0)
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2391 return -1;
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
2392 return update_slot(type, name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2393 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2394
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2395 static void
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2396 type_dealloc(PyTypeObject *type)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2397 {
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2398 PyHeapTypeObject *et;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2399
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2400 /* Assert this is a heap-allocated type object */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2401 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2402 _PyObject_GC_UNTRACK(type);
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2403 PyObject_ClearWeakRefs((PyObject *)type);
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2404 et = (PyHeapTypeObject *)type;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2405 Py_XDECREF(type->tp_base);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2406 Py_XDECREF(type->tp_dict);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2407 Py_XDECREF(type->tp_bases);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2408 Py_XDECREF(type->tp_mro);
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
2409 Py_XDECREF(type->tp_cache);
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2410 Py_XDECREF(type->tp_subclasses);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2411 /* A type's tp_doc is heap allocated, unlike the tp_doc slots
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2412 * of most other objects. It's okay to cast it to char *.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2413 */
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35742
diff changeset
2414 PyObject_Free((char *)type->tp_doc);
36631
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
Georg Brandl <georg@python.org>
parents: 36519
diff changeset
2415 Py_XDECREF(et->ht_name);
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
Georg Brandl <georg@python.org>
parents: 36519
diff changeset
2416 Py_XDECREF(et->ht_slots);
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
2417 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
2418 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2419
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2420 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
2421 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
2422 {
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2423 PyObject *list, *raw, *ref;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
2424 Py_ssize_t i, n;
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2425
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2426 list = PyList_New(0);
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2427 if (list == NULL)
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2428 return NULL;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2429 raw = type->tp_subclasses;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2430 if (raw == NULL)
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2431 return list;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2432 assert(PyList_Check(raw));
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2433 n = PyList_GET_SIZE(raw);
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2434 for (i = 0; i < n; i++) {
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2435 ref = PyList_GET_ITEM(raw, i);
20320
f29b8ea0b695 type_subclasses(): debug build was broken due to typo in new assert().
Tim Peters <tim.peters@gmail.com>
parents: 20315
diff changeset
2436 assert(PyWeakref_CheckRef(ref));
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2437 ref = PyWeakref_GET_OBJECT(ref);
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2438 if (ref != Py_None) {
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2439 if (PyList_Append(list, ref) < 0) {
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2440 Py_DECREF(list);
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2441 return NULL;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2442 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2443 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2444 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2445 return list;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2446 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2447
42420
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2448 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
2449 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
2450 {
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2451 return PyDict_New();
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2452 }
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2453
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2454 static PyMethodDef type_methods[] = {
19301
b9701538f827 Patch #427190: Implement and use METH_NOARGS and METH_O.
Martin v. Löwis <martin@v.loewis.de>
parents: 19300
diff changeset
2455 {"mro", (PyCFunction)mro_external, METH_NOARGS,
24795
452d6a916196 Allow more docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24789
diff changeset
2456 PyDoc_STR("mro() -> list\nreturn a type's method resolution order")},
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2457 {"__subclasses__", (PyCFunction)type_subclasses, METH_NOARGS,
24795
452d6a916196 Allow more docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24789
diff changeset
2458 PyDoc_STR("__subclasses__() -> list of immediate subclasses")},
42420
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2459 {"__prepare__", (PyCFunction)type_prepare,
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2460 METH_VARARGS | METH_KEYWORDS | METH_CLASS,
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2461 PyDoc_STR("__prepare__() -> dict\n"
02c27177df79 Add a default __prepare__() method to 'type', so it can be called
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
2462 "used to create the namespace for the class statement")},
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2463 {0}
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2464 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2465
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23830
diff changeset
2466 PyDoc_STRVAR(type_doc,
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2467 "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
2468 "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
2469
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2470 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
2471 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
2472 {
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2473 /* Because of type_is_gc(), the collector only calls this
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2474 for heaptypes. */
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2475 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2476
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
2477 Py_VISIT(type->tp_dict);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
2478 Py_VISIT(type->tp_cache);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
2479 Py_VISIT(type->tp_mro);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
2480 Py_VISIT(type->tp_bases);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
2481 Py_VISIT(type->tp_base);
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2482
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2483 /* There's no need to visit type->tp_subclasses or
36631
49d9c120357a Bug #1086854: Rename PyHeapType members adding ht_ prefix.
Georg Brandl <georg@python.org>
parents: 36519
diff changeset
2484 ((PyHeapTypeObject *)type)->ht_slots, because they can't be involved
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2485 in cycles; tp_subclasses is a list of weak references,
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2486 and slots is a tuple of strings. */
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2487
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2488 return 0;
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2489 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2490
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2491 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
2492 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
2493 {
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2494 /* Because of type_is_gc(), the collector only calls this
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2495 for heaptypes. */
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2496 assert(type->tp_flags & Py_TPFLAGS_HEAPTYPE);
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2497
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2498 /* The only field we need to clear is tp_mro, which is part of a
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2499 hard cycle (its first element is the class itself) that won't
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2500 be broken otherwise (it's a tuple and tuples don't have a
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2501 tp_clear handler). None of the other fields need to be
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2502 cleared, and here's why:
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2503
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2504 tp_dict:
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2505 It is a dict, so the collector will call its tp_clear.
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2506
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2507 tp_cache:
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2508 Not used; if it were, it would be a dict.
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2509
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2510 tp_bases, tp_base:
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2511 If these are involved in a cycle, there must be at least
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2512 one other, mutable object in the cycle, e.g. a base
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2513 class's dict; the cycle will be broken that way.
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2514
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2515 tp_subclasses:
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2516 A list of weak references can't be part of a cycle; and
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2517 lists have their own tp_clear.
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2518
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2519 slots (in PyHeapTypeObject):
23755
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2520 A tuple of strings can't be part of a cycle.
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2521 */
0279040ae03c In the recent python-dev thread "Bizarre new test failure", we
Guido van Rossum <guido@python.org>
parents: 23753
diff changeset
2522
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
2523 Py_CLEAR(type->tp_mro);
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2524
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2525 return 0;
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2526 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2527
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2528 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
2529 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
2530 {
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2531 return type->tp_flags & Py_TPFLAGS_HEAPTYPE;
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2532 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2533
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
2534 PyTypeObject PyType_Type = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42203
diff changeset
2535 PyVarObject_HEAD_INIT(&PyType_Type, 0)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2536 "type", /* tp_name */
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
2537 sizeof(PyHeapTypeObject), /* tp_basicsize */
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
2538 sizeof(PyMemberDef), /* tp_itemsize */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2539 (destructor)type_dealloc, /* tp_dealloc */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2540 0, /* tp_print */
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2541 0, /* tp_getattr */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2542 0, /* tp_setattr */
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2543 0, /* tp_compare */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2544 (reprfunc)type_repr, /* tp_repr */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2545 0, /* tp_as_number */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2546 0, /* tp_as_sequence */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2547 0, /* tp_as_mapping */
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2548 0, /* tp_hash */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2549 (ternaryfunc)type_call, /* tp_call */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2550 0, /* tp_str */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2551 (getattrofunc)type_getattro, /* tp_getattro */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2552 (setattrofunc)type_setattro, /* tp_setattro */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2553 0, /* tp_as_buffer */
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2554 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
40909
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
2555 Py_TPFLAGS_BASETYPE | Py_TPFLAGS_TYPE_SUBCLASS, /* tp_flags */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2556 type_doc, /* tp_doc */
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2557 (traverseproc)type_traverse, /* tp_traverse */
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2558 (inquiry)type_clear, /* tp_clear */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2559 0, /* tp_richcompare */
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
2560 offsetof(PyTypeObject, tp_weaklist), /* tp_weaklistoffset */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2561 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2562 0, /* tp_iternext */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2563 type_methods, /* tp_methods */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2564 type_members, /* tp_members */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2565 type_getsets, /* tp_getset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2566 0, /* tp_base */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2567 0, /* tp_dict */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2568 0, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2569 0, /* tp_descr_set */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2570 offsetof(PyTypeObject, tp_dict), /* tp_dictoffset */
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2571 type_init, /* tp_init */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2572 0, /* tp_alloc */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2573 type_new, /* tp_new */
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2574 PyObject_GC_Del, /* tp_free */
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
2575 (inquiry)type_is_gc, /* tp_is_gc */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2576 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2577
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 /* The base type of all types (eventually)... except itself. */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2580
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2581 /* 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
2582 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
2583
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2584 Consider the use cases:
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2585
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2586 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
2587 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
2588 indicate there's a bug.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2589
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2590 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
2591 __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
2592 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
2593 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
2594 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
2595
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2596 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
2597 __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
2598 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
2599 complaining.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2600
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2601 4. When __init__() is overridden, and the subclass __init__() calls
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2602 object.__init__(), the latter should complain about excess
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2603 arguments; ditto for __new__().
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2604
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parents: 41501
diff changeset
2605 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
2606 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
2607 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
2608 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
2609 (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
2610 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
2611 __init__() is overridden and __new__() is not overridden
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2612 (IOW, if __new__() is overridden or __init__() is not overridden).
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2613
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2614 However, for backwards compatibility, this breaks too much code.
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2615 Therefore, in 2.6, we'll *warn* about excess arguments when both
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2616 methods are overridden; for all other cases we'll use the above
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2617 rules.
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parents: 41501
diff changeset
2618
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diff changeset
2619 */
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diff changeset
2620
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diff changeset
2621 /* Forward */
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2622 static PyObject *
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2623 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
2624
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2625 static int
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2626 excess_args(PyObject *args, PyObject *kwds)
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2627 {
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2628 return PyTuple_GET_SIZE(args) ||
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2629 (kwds && PyDict_Check(kwds) && PyDict_Size(kwds));
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2630 }
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2631
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2632 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2633 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
2634 {
41554
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2635 int err = 0;
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2636 if (excess_args(args, kwds)) {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
2637 PyTypeObject *type = Py_TYPE(self);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2638 if (type->tp_init != object_init &&
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2639 type->tp_new != object_new)
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2640 {
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parents: 41501
diff changeset
2641 err = PyErr_WarnEx(PyExc_DeprecationWarning,
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2642 "object.__init__() takes no parameters",
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parents: 41501
diff changeset
2643 1);
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parents: 41501
diff changeset
2644 }
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diff changeset
2645 else if (type->tp_init != object_init ||
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parents: 41501
diff changeset
2646 type->tp_new == object_new)
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parents: 41501
diff changeset
2647 {
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parents: 41501
diff changeset
2648 PyErr_SetString(PyExc_TypeError,
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diff changeset
2649 "object.__init__() takes no parameters");
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parents: 41501
diff changeset
2650 err = -1;
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parents: 41501
diff changeset
2651 }
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diff changeset
2652 }
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2653 return err;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2654 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2655
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2656 static PyObject *
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2657 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
2658 {
41554
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parents: 41501
diff changeset
2659 int err = 0;
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parents: 41501
diff changeset
2660 if (excess_args(args, kwds)) {
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parents: 41501
diff changeset
2661 if (type->tp_new != object_new &&
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2662 type->tp_init != object_init)
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parents: 41501
diff changeset
2663 {
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parents: 41501
diff changeset
2664 err = PyErr_WarnEx(PyExc_DeprecationWarning,
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2665 "object.__new__() takes no parameters",
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2666 1);
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parents: 41501
diff changeset
2667 }
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parents: 41501
diff changeset
2668 else if (type->tp_new != object_new ||
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2669 type->tp_init == object_init)
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parents: 41501
diff changeset
2670 {
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parents: 41501
diff changeset
2671 PyErr_SetString(PyExc_TypeError,
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2672 "object.__new__() takes no parameters");
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2673 err = -1;
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Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2674 }
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parents: 41501
diff changeset
2675 }
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parents: 41501
diff changeset
2676 if (err < 0)
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2677 return NULL;
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
2678
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parents: 45026
diff changeset
2679 if (type->tp_flags & Py_TPFLAGS_IS_ABSTRACT) {
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parents: 45026
diff changeset
2680 static PyObject *comma = NULL;
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parents: 45026
diff changeset
2681 PyObject *abstract_methods = NULL;
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parents: 45026
diff changeset
2682 PyObject *builtins;
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parents: 45026
diff changeset
2683 PyObject *sorted;
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parents: 45026
diff changeset
2684 PyObject *sorted_methods = NULL;
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parents: 45026
diff changeset
2685 PyObject *joined = NULL;
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parents: 45026
diff changeset
2686
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parents: 45026
diff changeset
2687 /* Compute ", ".join(sorted(type.__abstractmethods__))
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parents: 45026
diff changeset
2688 into joined. */
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parents: 45026
diff changeset
2689 abstract_methods = type_abstractmethods(type, NULL);
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parents: 45026
diff changeset
2690 if (abstract_methods == NULL)
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
2691 goto error;
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
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parents: 45026
diff changeset
2692 builtins = PyEval_GetBuiltins();
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
2693 if (builtins == NULL)
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
2694 goto error;
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parents: 45026
diff changeset
2695 sorted = PyDict_GetItemString(builtins, "sorted");
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parents: 45026
diff changeset
2696 if (sorted == NULL)
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parents: 45026
diff changeset
2697 goto error;
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parents: 45026
diff changeset
2698 sorted_methods = PyObject_CallFunctionObjArgs(sorted,
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parents: 45026
diff changeset
2699 abstract_methods,
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parents: 45026
diff changeset
2700 NULL);
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
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parents: 45026
diff changeset
2701 if (sorted_methods == NULL)
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Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
2702 goto error;
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parents: 45026
diff changeset
2703 if (comma == NULL) {
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
2704 comma = PyUnicode_InternFromString(", ");
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
2705 if (comma == NULL)
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
2706 goto error;
8dd30fe11a4b Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61103 via svnmerge from
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parents: 45026
diff changeset
2707 }
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Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
2708 joined = PyObject_CallMethod(comma, "join",
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Christian Heimes <christian@cheimes.de>
parents: 45026
diff changeset
2709 "O", sorted_methods);
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
2710 if (joined == NULL)
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
2711 goto error;
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
2712
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
2713 PyErr_Format(PyExc_TypeError,
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
2714 "Can't instantiate abstract class %s "
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
2715 "with abstract methods %U",
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
2716 type->tp_name,
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
2717 joined);
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
2718 error:
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
2719 Py_XDECREF(joined);
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
2720 Py_XDECREF(sorted_methods);
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
2721 Py_XDECREF(abstract_methods);
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
2722 return NULL;
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
2723 }
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2724 return type->tp_alloc(type, 0);
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2725 }
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
2726
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2727 static void
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2728 object_dealloc(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2729 {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
2730 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
2731 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2732
19194
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2733 static PyObject *
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2734 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
2735 {
19316
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2736 PyTypeObject *type;
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
2737 PyObject *mod, *name, *rtn;
19194
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2738
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
2739 type = Py_TYPE(self);
19316
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2740 mod = type_module(type, NULL);
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2741 if (mod == NULL)
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2742 PyErr_Clear();
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
2743 else if (!PyUnicode_Check(mod)) {
19316
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2744 Py_DECREF(mod);
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2745 mod = NULL;
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2746 }
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2747 name = type_name(type, NULL);
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2748 if (name == NULL)
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2749 return NULL;
44098
0889daf6d0d9 #1535: rename __builtin__ module to builtins.
Georg Brandl <georg@python.org>
parents: 43866
diff changeset
2750 if (mod != NULL && PyUnicode_CompareWithASCIIString(mod, "builtins"))
42036
160b7318a3ca __module__ is a unicode string now:
Walter Dörwald <walter@livinglogic.de>
parents: 42019
diff changeset
2751 rtn = PyUnicode_FromFormat("<%U.%U object at %p>", mod, name, self);
19316
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2752 else
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
2753 rtn = PyUnicode_FromFormat("<%s object at %p>",
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
2754 type->tp_name, self);
19316
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2755 Py_XDECREF(mod);
f7dc21cb1661 Fix object_repr() to include the module (using the same rules as
Guido van Rossum <guido@python.org>
parents: 19301
diff changeset
2756 Py_DECREF(name);
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
2757 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
2758 }
7e9f5c59e9f2 Make dynamic types work as intended. Or at least more so.
Guido van Rossum <guido@python.org>
parents: 19192
diff changeset
2759
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2760 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2761 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
2762 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2763 unaryfunc f;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2764
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
2765 f = Py_TYPE(self)->tp_repr;
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2766 if (f == NULL)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2767 f = object_repr;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2768 return f(self);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2769 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
2770
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2771 static PyObject *
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2772 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
2773 {
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2774 PyObject *res;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2775
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2776 switch (op) {
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2777
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2778 case Py_EQ:
44513
8bf6a9a3a632 Issue #1393: object_richcompare() returns NotImplemented instead of
Guido van Rossum <guido@python.org>
parents: 44407
diff changeset
2779 /* Return NotImplemented instead of False, so if two
8bf6a9a3a632 Issue #1393: object_richcompare() returns NotImplemented instead of
Guido van Rossum <guido@python.org>
parents: 44407
diff changeset
2780 objects are compared, both get a chance at the
8bf6a9a3a632 Issue #1393: object_richcompare() returns NotImplemented instead of
Guido van Rossum <guido@python.org>
parents: 44407
diff changeset
2781 comparison. See issue #1393. */
8bf6a9a3a632 Issue #1393: object_richcompare() returns NotImplemented instead of
Guido van Rossum <guido@python.org>
parents: 44407
diff changeset
2782 res = (self == other) ? Py_True : Py_NotImplemented;
41324
519e72d630d2 Fix refcounting bug reported by Amaury Forgeot d'Arc.
Guido van Rossum <guido@python.org>
parents: 41311
diff changeset
2783 Py_INCREF(res);
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2784 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2785
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2786 case Py_NE:
41311
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2787 /* By default, != returns the opposite of ==,
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2788 unless the latter returns NotImplemented. */
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2789 res = PyObject_RichCompare(self, other, Py_EQ);
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2790 if (res != NULL && res != Py_NotImplemented) {
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2791 int ok = PyObject_IsTrue(res);
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2792 Py_DECREF(res);
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2793 if (ok < 0)
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2794 res = NULL;
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2795 else {
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2796 if (ok)
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2797 res = Py_False;
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2798 else
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2799 res = Py_True;
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2800 Py_INCREF(res);
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2801 }
834da52eb2a4 By default, != returns the opposite of ==, unless the latter returns
Guido van Rossum <guido@python.org>
parents: 40909
diff changeset
2802 }
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2803 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2804
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2805 default:
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2806 res = Py_NotImplemented;
41324
519e72d630d2 Fix refcounting bug reported by Amaury Forgeot d'Arc.
Guido van Rossum <guido@python.org>
parents: 41311
diff changeset
2807 Py_INCREF(res);
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2808 break;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2809 }
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2810
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2811 return res;
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2812 }
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2813
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
2814 static PyObject *
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2815 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
2816 {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
2817 Py_INCREF(Py_TYPE(self));
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
2818 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
2819 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2820
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2821 static int
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2822 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
2823 {
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2824 return a == b ||
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2825 (a != NULL &&
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2826 b != NULL &&
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2827 a->tp_basicsize == b->tp_basicsize &&
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2828 a->tp_itemsize == b->tp_itemsize &&
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2829 a->tp_dictoffset == b->tp_dictoffset &&
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2830 a->tp_weaklistoffset == b->tp_weaklistoffset &&
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2831 ((a->tp_flags & Py_TPFLAGS_HAVE_GC) ==
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2832 (b->tp_flags & Py_TPFLAGS_HAVE_GC)));
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2833 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2834
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2835 static int
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2836 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
2837 {
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2838 PyTypeObject *base = a->tp_base;
36519
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
2839 Py_ssize_t size;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2840 PyObject *slots_a, *slots_b;
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2841
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2842 if (base != b->tp_base)
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2843 return 0;
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2844 if (equiv_structs(a, base) && equiv_structs(b, base))
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2845 return 1;
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2846 size = base->tp_basicsize;
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2847 if (a->tp_dictoffset == size && b->tp_dictoffset == size)
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2848 size += sizeof(PyObject *);
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2849 if (a->tp_weaklistoffset == size && b->tp_weaklistoffset == size)
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2850 size += sizeof(PyObject *);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2851
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2852 /* Check slots compliance */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2853 slots_a = ((PyHeapTypeObject *)a)->ht_slots;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2854 slots_b = ((PyHeapTypeObject *)b)->ht_slots;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2855 if (slots_a && slots_b) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2856 if (PyObject_Compare(slots_a, slots_b) != 0)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2857 return 0;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2858 size += sizeof(PyObject *) * PyTuple_GET_SIZE(slots_a);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
2859 }
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2860 return size == a->tp_basicsize && size == b->tp_basicsize;
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2861 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2862
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2863 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
2864 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
2865 {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2866 PyTypeObject *newbase, *oldbase;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2867
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
2868 if (newto->tp_dealloc != oldto->tp_dealloc ||
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
2869 newto->tp_free != oldto->tp_free)
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2870 {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2871 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2872 "%s assignment: "
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2873 "'%s' deallocator differs from '%s'",
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2874 attr,
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
2875 newto->tp_name,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
2876 oldto->tp_name);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2877 return 0;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2878 }
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
2879 newbase = newto;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
2880 oldbase = oldto;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2881 while (equiv_structs(newbase, newbase->tp_base))
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2882 newbase = newbase->tp_base;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2883 while (equiv_structs(oldbase, oldbase->tp_base))
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2884 oldbase = oldbase->tp_base;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2885 if (newbase != oldbase &&
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2886 (newbase->tp_base != oldbase->tp_base ||
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2887 !same_slots_added(newbase, oldbase))) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2888 PyErr_Format(PyExc_TypeError,
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2889 "%s assignment: "
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2890 "'%s' object layout differs from '%s'",
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2891 attr,
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
2892 newto->tp_name,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
2893 oldto->tp_name);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2894 return 0;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2895 }
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
2896
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2897 return 1;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2898 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2899
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2900 static int
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2901 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
2902 {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
2903 PyTypeObject *oldto = Py_TYPE(self);
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
2904 PyTypeObject *newto;
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2905
23037
89db9e3f35a7 SF bug #541883 (Vincent Fiack).
Guido van Rossum <guido@python.org>
parents: 22980
diff changeset
2906 if (value == NULL) {
89db9e3f35a7 SF bug #541883 (Vincent Fiack).
Guido van Rossum <guido@python.org>
parents: 22980
diff changeset
2907 PyErr_SetString(PyExc_TypeError,
89db9e3f35a7 SF bug #541883 (Vincent Fiack).
Guido van Rossum <guido@python.org>
parents: 22980
diff changeset
2908 "can't delete __class__ attribute");
89db9e3f35a7 SF bug #541883 (Vincent Fiack).
Guido van Rossum <guido@python.org>
parents: 22980
diff changeset
2909 return -1;
89db9e3f35a7 SF bug #541883 (Vincent Fiack).
Guido van Rossum <guido@python.org>
parents: 22980
diff changeset
2910 }
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2911 if (!PyType_Check(value)) {
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2912 PyErr_Format(PyExc_TypeError,
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2913 "__class__ must be set to new-style class, not '%s' object",
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
2914 Py_TYPE(value)->tp_name);
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2915 return -1;
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2916 }
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
2917 newto = (PyTypeObject *)value;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
2918 if (!(newto->tp_flags & Py_TPFLAGS_HEAPTYPE) ||
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
2919 !(oldto->tp_flags & Py_TPFLAGS_HEAPTYPE))
24728
3b8a707b41c4 Disallow class assignment completely unless both old and new are heap
Guido van Rossum <guido@python.org>
parents: 24685
diff changeset
2920 {
3b8a707b41c4 Disallow class assignment completely unless both old and new are heap
Guido van Rossum <guido@python.org>
parents: 24685
diff changeset
2921 PyErr_Format(PyExc_TypeError,
3b8a707b41c4 Disallow class assignment completely unless both old and new are heap
Guido van Rossum <guido@python.org>
parents: 24685
diff changeset
2922 "__class__ assignment: only for heap types");
3b8a707b41c4 Disallow class assignment completely unless both old and new are heap
Guido van Rossum <guido@python.org>
parents: 24685
diff changeset
2923 return -1;
3b8a707b41c4 Disallow class assignment completely unless both old and new are heap
Guido van Rossum <guido@python.org>
parents: 24685
diff changeset
2924 }
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
2925 if (compatible_for_assignment(newto, oldto, "__class__")) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
2926 Py_INCREF(newto);
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
2927 Py_TYPE(self) = newto;
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
2928 Py_DECREF(oldto);
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2929 return 0;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2930 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
2931 else {
23541
f6ded6efabcf Add a safeguard against setting the class to something with a
Guido van Rossum <guido@python.org>
parents: 23127
diff changeset
2932 return -1;
f6ded6efabcf Add a safeguard against setting the class to something with a
Guido van Rossum <guido@python.org>
parents: 23127
diff changeset
2933 }
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2934 }
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2935
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2936 static PyGetSetDef object_getsets[] = {
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
2937 {"__class__", object_get_class, object_set_class,
24785
4de9ac0e4173 Allow docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24762
diff changeset
2938 PyDoc_STR("the object's class")},
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2939 {0}
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2940 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
2941
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2942
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2943 /* 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
2944 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
2945 - pickle protocols < 2
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2946 - 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
2947 - 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
2948 */
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2949
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
2950 static PyObject *
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2951 import_copyreg(void)
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2952 {
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2953 static PyObject *copyreg_str;
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2954
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2955 if (!copyreg_str) {
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2956 copyreg_str = PyUnicode_InternFromString("copyreg");
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2957 if (copyreg_str == NULL)
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
2958 return NULL;
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
2959 }
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2960
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2961 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
2962 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2963
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2964 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2965 slotnames(PyObject *cls)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2966 {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2967 PyObject *clsdict;
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2968 PyObject *copyreg;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2969 PyObject *slotnames;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2970
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2971 if (!PyType_Check(cls)) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2972 Py_INCREF(Py_None);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2973 return Py_None;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2974 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2975
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2976 clsdict = ((PyTypeObject *)cls)->tp_dict;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2977 slotnames = PyDict_GetItemString(clsdict, "__slotnames__");
35637
7dd4e6cb9d27 (pedronis, arigo)
Armin Rigo <arigo@tunes.org>
parents: 35610
diff changeset
2978 if (slotnames != NULL && PyList_Check(slotnames)) {
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2979 Py_INCREF(slotnames);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2980 return slotnames;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2981 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2982
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2983 copyreg = import_copyreg();
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2984 if (copyreg == NULL)
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2985 return NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2986
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2987 slotnames = PyObject_CallMethod(copyreg, "_slotnames", "O", cls);
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2988 Py_DECREF(copyreg);
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2989 if (slotnames != NULL &&
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2990 slotnames != Py_None &&
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2991 !PyList_Check(slotnames))
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2992 {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2993 PyErr_SetString(PyExc_TypeError,
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
2994 "copyreg._slotnames didn't return a list or None");
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2995 Py_DECREF(slotnames);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2996 slotnames = NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2997 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2998
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
2999 return slotnames;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3000 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3001
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3002 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3003 reduce_2(PyObject *obj)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3004 {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3005 PyObject *cls, *getnewargs;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3006 PyObject *args = NULL, *args2 = NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3007 PyObject *getstate = NULL, *state = NULL, *names = NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3008 PyObject *slots = NULL, *listitems = NULL, *dictitems = NULL;
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3009 PyObject *copyreg = NULL, *newobj = NULL, *res = NULL;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
3010 Py_ssize_t i, n;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3011
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3012 cls = PyObject_GetAttrString(obj, "__class__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3013 if (cls == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3014 return NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3015
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3016 getnewargs = PyObject_GetAttrString(obj, "__getnewargs__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3017 if (getnewargs != NULL) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3018 args = PyObject_CallObject(getnewargs, NULL);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3019 Py_DECREF(getnewargs);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3020 if (args != NULL && !PyTuple_Check(args)) {
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
3021 PyErr_Format(PyExc_TypeError,
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
3022 "__getnewargs__ should return a tuple, "
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
3023 "not '%.200s'", Py_TYPE(args)->tp_name);
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3024 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3025 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3026 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3027 else {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3028 PyErr_Clear();
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3029 args = PyTuple_New(0);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3030 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3031 if (args == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3032 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3033
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3034 getstate = PyObject_GetAttrString(obj, "__getstate__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3035 if (getstate != NULL) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3036 state = PyObject_CallObject(getstate, NULL);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3037 Py_DECREF(getstate);
29382
585e303a9491 Fix SF #749831, copy raises SystemError when getstate raises exception
Neal Norwitz <nnorwitz@gmail.com>
parents: 29308
diff changeset
3038 if (state == NULL)
585e303a9491 Fix SF #749831, copy raises SystemError when getstate raises exception
Neal Norwitz <nnorwitz@gmail.com>
parents: 29308
diff changeset
3039 goto end;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3040 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3041 else {
31477
ba9aaddeb956 Fixed a bug in object.__reduce_ex__ (reduce_2) when using protocol
Jim Fulton <jim@zope.com>
parents: 31176
diff changeset
3042 PyErr_Clear();
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3043 state = PyObject_GetAttrString(obj, "__dict__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3044 if (state == NULL) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3045 PyErr_Clear();
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3046 state = Py_None;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3047 Py_INCREF(state);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3048 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3049 names = slotnames(cls);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3050 if (names == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3051 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3052 if (names != Py_None) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3053 assert(PyList_Check(names));
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3054 slots = PyDict_New();
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3055 if (slots == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3056 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3057 n = 0;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3058 /* Can't pre-compute the list size; the list
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3059 is stored on the class so accessible to other
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3060 threads, which may be run by DECREF */
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3061 for (i = 0; i < PyList_GET_SIZE(names); i++) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3062 PyObject *name, *value;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3063 name = PyList_GET_ITEM(names, i);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3064 value = PyObject_GetAttr(obj, name);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3065 if (value == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3066 PyErr_Clear();
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3067 else {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3068 int err = PyDict_SetItem(slots, name,
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3069 value);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3070 Py_DECREF(value);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3071 if (err)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3072 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3073 n++;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3074 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3075 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3076 if (n) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3077 state = Py_BuildValue("(NO)", state, slots);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3078 if (state == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3079 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3080 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3081 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3082 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3083
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3084 if (!PyList_Check(obj)) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3085 listitems = Py_None;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3086 Py_INCREF(listitems);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3087 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3088 else {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3089 listitems = PyObject_GetIter(obj);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3090 if (listitems == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3091 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3092 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3093
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3094 if (!PyDict_Check(obj)) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3095 dictitems = Py_None;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3096 Py_INCREF(dictitems);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3097 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3098 else {
40809
f340cb045bf9 - PEP 3106: dict.iterkeys(), .iteritems(), .itervalues() are now gone;
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
3099 PyObject *items = PyObject_CallMethod(obj, "items", "");
f340cb045bf9 - PEP 3106: dict.iterkeys(), .iteritems(), .itervalues() are now gone;
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
3100 if (items == NULL)
f340cb045bf9 - PEP 3106: dict.iterkeys(), .iteritems(), .itervalues() are now gone;
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
3101 goto end;
f340cb045bf9 - PEP 3106: dict.iterkeys(), .iteritems(), .itervalues() are now gone;
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
3102 dictitems = PyObject_GetIter(items);
f340cb045bf9 - PEP 3106: dict.iterkeys(), .iteritems(), .itervalues() are now gone;
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
3103 Py_DECREF(items);
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3104 if (dictitems == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3105 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3106 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3107
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3108 copyreg = import_copyreg();
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3109 if (copyreg == NULL)
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3110 goto end;
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3111 newobj = PyObject_GetAttrString(copyreg, "__newobj__");
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3112 if (newobj == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3113 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3114
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3115 n = PyTuple_GET_SIZE(args);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3116 args2 = PyTuple_New(n+1);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3117 if (args2 == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3118 goto end;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3119 PyTuple_SET_ITEM(args2, 0, cls);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3120 cls = NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3121 for (i = 0; i < n; i++) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3122 PyObject *v = PyTuple_GET_ITEM(args, i);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3123 Py_INCREF(v);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3124 PyTuple_SET_ITEM(args2, i+1, v);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3125 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3126
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
3127 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
3128
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3129 end:
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3130 Py_XDECREF(cls);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3131 Py_XDECREF(args);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3132 Py_XDECREF(args2);
28566
9ddc498b7013 Missing DECREF.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 28514
diff changeset
3133 Py_XDECREF(slots);
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3134 Py_XDECREF(state);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3135 Py_XDECREF(names);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3136 Py_XDECREF(listitems);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3137 Py_XDECREF(dictitems);
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3138 Py_XDECREF(copyreg);
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3139 Py_XDECREF(newobj);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3140 return res;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3141 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3142
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3143 /*
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3144 * 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
3145 * were implemented in the same function:
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3146 * - 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
3147 * 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
3148 * 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
3149 * - 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
3150 * __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
3151 * and eventual segfault.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3152 *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3153 * 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
3154 * 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
3155 * 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
3156 * function.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3157 */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3158 static PyObject *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3159 _common_reduce(PyObject *self, int proto)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3160 {
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3161 PyObject *copyreg, *res;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3162
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3163 if (proto >= 2)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3164 return reduce_2(self);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3165
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3166 copyreg = import_copyreg();
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3167 if (!copyreg)
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3168 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3169
46867
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3170 res = PyEval_CallMethod(copyreg, "_reduce_ex", "(Oi)", self, proto);
dd5513b472dc Rename copy_reg module to copyreg.
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46644
diff changeset
3171 Py_DECREF(copyreg);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3172
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3173 return res;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3174 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3175
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3176 static PyObject *
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3177 object_reduce(PyObject *self, PyObject *args)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3178 {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3179 int proto = 0;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3180
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3181 if (!PyArg_ParseTuple(args, "|i:__reduce__", &proto))
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3182 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3183
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3184 return _common_reduce(self, proto);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3185 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3186
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3187 static PyObject *
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3188 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
3189 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3190 PyObject *reduce, *res;
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3191 int proto = 0;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3192
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3193 if (!PyArg_ParseTuple(args, "|i:__reduce_ex__", &proto))
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3194 return NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3195
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3196 reduce = PyObject_GetAttrString(self, "__reduce__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3197 if (reduce == NULL)
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3198 PyErr_Clear();
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3199 else {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3200 PyObject *cls, *clsreduce, *objreduce;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3201 int override;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3202 cls = PyObject_GetAttrString(self, "__class__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3203 if (cls == NULL) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3204 Py_DECREF(reduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3205 return NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3206 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3207 clsreduce = PyObject_GetAttrString(cls, "__reduce__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3208 Py_DECREF(cls);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3209 if (clsreduce == NULL) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3210 Py_DECREF(reduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3211 return NULL;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3212 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3213 objreduce = PyDict_GetItemString(PyBaseObject_Type.tp_dict,
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3214 "__reduce__");
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3215 override = (clsreduce != objreduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3216 Py_DECREF(clsreduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3217 if (override) {
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3218 res = PyObject_CallObject(reduce, NULL);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3219 Py_DECREF(reduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3220 return res;
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3221 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3222 else
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3223 Py_DECREF(reduce);
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3224 }
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3225
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3226 return _common_reduce(self, proto);
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3227 }
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3228
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
3229 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
3230 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
3231 {
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
3232 Py_INCREF(Py_NotImplemented);
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
3233 return Py_NotImplemented;
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
3234 }
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
3235
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
3236 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
3237 "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
3238 "\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
3239 "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
3240 "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
3241 "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
3242 "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
3243
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3244 /*
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3245 from PEP 3101, this code implements:
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3246
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3247 class object:
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3248 def __format__(self, format_spec):
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3249 return format(str(self), format_spec)
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3250 */
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3251 static PyObject *
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3252 object_format(PyObject *self, PyObject *args)
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3253 {
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3254 PyObject *format_spec;
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3255 PyObject *self_as_str = NULL;
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3256 PyObject *result = NULL;
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3257 PyObject *format_meth = NULL;
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3258
44626
60126aa3b816 Simplifed argument parsing in object.__format__, added test case.
Eric Smith <eric@trueblade.com>
parents: 44513
diff changeset
3259 if (!PyArg_ParseTuple(args, "U:__format__", &format_spec))
42817
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3260 return NULL;
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3261
43866
8ed0280c2ab6 Replace PyObject_Unicode with PyObject_Str everywhere, and remove the
Thomas Heller <theller@ctypes.org>
parents: 43777
diff changeset
3262 self_as_str = PyObject_Str(self);
42817
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3263 if (self_as_str != NULL) {
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3264 /* find the format function */
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3265 format_meth = PyObject_GetAttrString(self_as_str, "__format__");
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3266 if (format_meth != NULL) {
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3267 /* and call it */
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3268 result = PyObject_CallFunctionObjArgs(format_meth, format_spec, NULL);
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3269 }
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3270 }
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3271
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3272 Py_XDECREF(self_as_str);
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3273 Py_XDECREF(format_meth);
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3274
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3275 return result;
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3276 }
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3277
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3278 static PyMethodDef object_methods[] = {
27948
db1d4584a5e1 Introducing __reduce_ex__, which is called with a protocol number argument
Guido van Rossum <guido@python.org>
parents: 27943
diff changeset
3279 {"__reduce_ex__", object_reduce_ex, METH_VARARGS,
db1d4584a5e1 Introducing __reduce_ex__, which is called with a protocol number argument
Guido van Rossum <guido@python.org>
parents: 27943
diff changeset
3280 PyDoc_STR("helper for pickle")},
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3281 {"__reduce__", object_reduce, METH_VARARGS,
24795
452d6a916196 Allow more docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24789
diff changeset
3282 PyDoc_STR("helper for pickle")},
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
3283 {"__subclasshook__", object_subclasshook, METH_CLASS | METH_VARARGS,
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
3284 object_subclasshook_doc},
42817
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3285 {"__format__", object_format, METH_VARARGS,
5355337709e1 Implementation of PEP 3101, Advanced String Formatting.
Eric Smith <eric@trueblade.com>
parents: 42673
diff changeset
3286 PyDoc_STR("default object formatter")},
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3287 {0}
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3288 };
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3289
28016
b849482c70c6 Implementing the salient parts of __reduce_ex__ in C.
Guido van Rossum <guido@python.org>
parents: 27948
diff changeset
3290
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3291 PyTypeObject PyBaseObject_Type = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42203
diff changeset
3292 PyVarObject_HEAD_INIT(&PyType_Type, 0)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3293 "object", /* tp_name */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3294 sizeof(PyObject), /* tp_basicsize */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3295 0, /* tp_itemsize */
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
3296 object_dealloc, /* tp_dealloc */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3297 0, /* tp_print */
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3298 0, /* tp_getattr */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3299 0, /* tp_setattr */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3300 0, /* tp_compare */
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
3301 object_repr, /* tp_repr */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3302 0, /* tp_as_number */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3303 0, /* tp_as_sequence */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3304 0, /* tp_as_mapping */
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
3305 (hashfunc)_Py_HashPointer, /* tp_hash */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3306 0, /* tp_call */
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
3307 object_str, /* tp_str */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3308 PyObject_GenericGetAttr, /* tp_getattro */
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3309 PyObject_GenericSetAttr, /* tp_setattro */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3310 0, /* tp_as_buffer */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3311 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
24795
452d6a916196 Allow more docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24789
diff changeset
3312 PyDoc_STR("The most base type"), /* tp_doc */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3313 0, /* tp_traverse */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3314 0, /* tp_clear */
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39624
diff changeset
3315 object_richcompare, /* tp_richcompare */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3316 0, /* tp_weaklistoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3317 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3318 0, /* tp_iternext */
20084
48e93ef3c5b7 - Provisional support for pickling new-style objects. (*)
Guido van Rossum <guido@python.org>
parents: 20076
diff changeset
3319 object_methods, /* tp_methods */
20075
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3320 0, /* tp_members */
aae5cf7e5861 Make __class__ assignment possible, when the object structures are the
Guido van Rossum <guido@python.org>
parents: 20063
diff changeset
3321 object_getsets, /* tp_getset */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3322 0, /* tp_base */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3323 0, /* tp_dict */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3324 0, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3325 0, /* tp_descr_set */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3326 0, /* tp_dictoffset */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3327 object_init, /* tp_init */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3328 PyType_GenericAlloc, /* tp_alloc */
27866
bbbba0ee61fb SF patch #685738 by Michael Stone.
Guido van Rossum <guido@python.org>
parents: 27831
diff changeset
3329 object_new, /* tp_new */
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3330 PyObject_Del, /* tp_free */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3331 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3332
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3333
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
3334 /* 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
3335
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3336 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3337 add_methods(PyTypeObject *type, PyMethodDef *meth)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3338 {
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3339 PyObject *dict = type->tp_dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3340
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3341 for (; meth->ml_name != NULL; meth++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3342 PyObject *descr;
31172
e4fb6164158c * Added a new method flag, METH_COEXIST.
Raymond Hettinger <python@rcn.com>
parents: 30917
diff changeset
3343 if (PyDict_GetItemString(dict, meth->ml_name) &&
e4fb6164158c * Added a new method flag, METH_COEXIST.
Raymond Hettinger <python@rcn.com>
parents: 30917
diff changeset
3344 !(meth->ml_flags & METH_COEXIST))
e4fb6164158c * Added a new method flag, METH_COEXIST.
Raymond Hettinger <python@rcn.com>
parents: 30917
diff changeset
3345 continue;
22613
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3346 if (meth->ml_flags & METH_CLASS) {
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3347 if (meth->ml_flags & METH_STATIC) {
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3348 PyErr_SetString(PyExc_ValueError,
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3349 "method cannot be both class and static");
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3350 return -1;
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3351 }
26583
8991f78817c7 SF 548651: Fix the METH_CLASS implementation.
Tim Peters <tim.peters@gmail.com>
parents: 26575
diff changeset
3352 descr = PyDescr_NewClassMethod(type, meth);
22613
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3353 }
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3354 else if (meth->ml_flags & METH_STATIC) {
27814
48dc4a59a50e Inline create_specialmethod() -- since METH_CLASS is done differently
Guido van Rossum <guido@python.org>
parents: 27811
diff changeset
3355 PyObject *cfunc = PyCFunction_New(meth, NULL);
48dc4a59a50e Inline create_specialmethod() -- since METH_CLASS is done differently
Guido van Rossum <guido@python.org>
parents: 27811
diff changeset
3356 if (cfunc == NULL)
48dc4a59a50e Inline create_specialmethod() -- since METH_CLASS is done differently
Guido van Rossum <guido@python.org>
parents: 27811
diff changeset
3357 return -1;
48dc4a59a50e Inline create_specialmethod() -- since METH_CLASS is done differently
Guido van Rossum <guido@python.org>
parents: 27811
diff changeset
3358 descr = PyStaticMethod_New(cfunc);
48dc4a59a50e Inline create_specialmethod() -- since METH_CLASS is done differently
Guido van Rossum <guido@python.org>
parents: 27811
diff changeset
3359 Py_DECREF(cfunc);
22613
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3360 }
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3361 else {
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3362 descr = PyDescr_NewMethod(type, meth);
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3363 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3364 if (descr == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3365 return -1;
22613
ddc9543c76a0 Introduce two new flag bits that can be set in a PyMethodDef method
Fred Drake <fdrake@acm.org>
parents: 22348
diff changeset
3366 if (PyDict_SetItemString(dict, meth->ml_name, descr) < 0)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3367 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3368 Py_DECREF(descr);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3369 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3370 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3371 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3372
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3373 static int
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
3374 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
3375 {
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3376 PyObject *dict = type->tp_dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3377
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3378 for (; memb->name != NULL; memb++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3379 PyObject *descr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3380 if (PyDict_GetItemString(dict, memb->name))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3381 continue;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3382 descr = PyDescr_NewMember(type, memb);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3383 if (descr == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3384 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3385 if (PyDict_SetItemString(dict, memb->name, descr) < 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3386 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3387 Py_DECREF(descr);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3388 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3389 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3390 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3391
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3392 static int
20015
ca7af2a5d915 Add optional docstrings to getset descriptors. Fortunately, there's
Guido van Rossum <guido@python.org>
parents: 20012
diff changeset
3393 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
3394 {
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3395 PyObject *dict = type->tp_dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3396
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3397 for (; gsp->name != NULL; gsp++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3398 PyObject *descr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3399 if (PyDict_GetItemString(dict, gsp->name))
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3400 continue;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3401 descr = PyDescr_NewGetSet(type, gsp);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3402
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3403 if (descr == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3404 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3405 if (PyDict_SetItemString(dict, gsp->name, descr) < 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3406 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3407 Py_DECREF(descr);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3408 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3409 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3410 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3411
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3412 static void
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3413 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
3414 {
36519
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
3415 Py_ssize_t oldsize, newsize;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3416
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3417 /* Copying basicsize is connected to the GC flags */
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
3418 oldsize = base->tp_basicsize;
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
3419 newsize = type->tp_basicsize ? type->tp_basicsize : oldsize;
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
3420 if (!(type->tp_flags & Py_TPFLAGS_HAVE_GC) &&
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
3421 (base->tp_flags & Py_TPFLAGS_HAVE_GC) &&
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3422 (!type->tp_traverse && !type->tp_clear)) {
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
3423 type->tp_flags |= Py_TPFLAGS_HAVE_GC;
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3424 if (type->tp_traverse == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3425 type->tp_traverse = base->tp_traverse;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3426 if (type->tp_clear == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3427 type->tp_clear = base->tp_clear;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3428 }
39222
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38453
diff changeset
3429 {
21451
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3430 /* The condition below could use some explanation.
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3431 It appears that tp_new is not inherited for static types
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3432 whose base class is 'object'; this seems to be a precaution
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3433 so that old extension types don't suddenly become
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3434 callable (object.__new__ wouldn't insure the invariants
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3435 that the extension type's own factory function ensures).
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3436 Heap types, of course, are under our control, so they do
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3437 inherit tp_new; static extension types that specify some
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3438 other built-in type as the default are considered
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3439 new-style-aware so they also inherit object.__new__. */
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3440 if (base != &PyBaseObject_Type ||
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3441 (type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3442 if (type->tp_new == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3443 type->tp_new = base->tp_new;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3444 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3445 }
19582
13a93a5dcb1d Use new GC API. Remove usage of BASICSIZE macros.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 19551
diff changeset
3446 type->tp_basicsize = newsize;
19253
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3447
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3448 /* Copy other non-function slots */
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3449
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3450 #undef COPYVAL
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3451 #define COPYVAL(SLOT) \
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3452 if (type->SLOT == 0) type->SLOT = base->SLOT
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3453
968d169501f2 Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
Guido van Rossum <guido@python.org>
parents: 19194
diff changeset
3454 COPYVAL(tp_itemsize);
39222
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38453
diff changeset
3455 COPYVAL(tp_weaklistoffset);
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38453
diff changeset
3456 COPYVAL(tp_dictoffset);
40909
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3457
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3458 /* Setup fast subclass flags */
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3459 if (PyType_IsSubtype(base, (PyTypeObject*)PyExc_BaseException))
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3460 type->tp_flags |= Py_TPFLAGS_BASE_EXC_SUBCLASS;
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3461 else if (PyType_IsSubtype(base, &PyType_Type))
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3462 type->tp_flags |= Py_TPFLAGS_TYPE_SUBCLASS;
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3463 else if (PyType_IsSubtype(base, &PyLong_Type))
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3464 type->tp_flags |= Py_TPFLAGS_LONG_SUBCLASS;
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 47260
diff changeset
3465 else if (PyType_IsSubtype(base, &PyBytes_Type))
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 47260
diff changeset
3466 type->tp_flags |= Py_TPFLAGS_BYTES_SUBCLASS;
40909
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3467 else if (PyType_IsSubtype(base, &PyUnicode_Type))
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3468 type->tp_flags |= Py_TPFLAGS_UNICODE_SUBCLASS;
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3469 else if (PyType_IsSubtype(base, &PyTuple_Type))
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3470 type->tp_flags |= Py_TPFLAGS_TUPLE_SUBCLASS;
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3471 else if (PyType_IsSubtype(base, &PyList_Type))
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3472 type->tp_flags |= Py_TPFLAGS_LIST_SUBCLASS;
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3473 else if (PyType_IsSubtype(base, &PyDict_Type))
f2f0b41f270d Merged revisions 53875-53911 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40893
diff changeset
3474 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
3475 }
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3476
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
3477 static char *hash_name_op[] = {
39623
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3478 "__eq__",
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3479 "__cmp__",
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3480 "__hash__",
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
3481 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
3482 };
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3483
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3484 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
3485 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
3486 {
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
3487 char **p;
39623
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3488 PyObject *dict = type->tp_dict;
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3489
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3490 assert(dict != NULL);
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
3491 for (p = hash_name_op; *p; p++) {
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
3492 if (PyDict_GetItemString(dict, *p) != 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
3493 return 1;
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3494 }
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3495 return 0;
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3496 }
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3497
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3498 static void
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3499 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
3500 {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3501 PyTypeObject *basebase;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3502
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3503 #undef SLOTDEFINED
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3504 #undef COPYSLOT
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3505 #undef COPYNUM
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3506 #undef COPYSEQ
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3507 #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
3508 #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
3509
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3510 #define SLOTDEFINED(SLOT) \
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3511 (base->SLOT != 0 && \
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3512 (basebase == NULL || base->SLOT != basebase->SLOT))
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3513
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3514 #define COPYSLOT(SLOT) \
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3515 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
3516
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3517 #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
3518 #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
3519 #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
3520 #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
3521
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3522 /* This won't inherit indirect slots (from tp_as_number etc.)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3523 if type doesn't provide the space. */
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3524
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3525 if (type->tp_as_number != NULL && base->tp_as_number != NULL) {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3526 basebase = base->tp_base;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3527 if (basebase->tp_as_number == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3528 basebase = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3529 COPYNUM(nb_add);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3530 COPYNUM(nb_subtract);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3531 COPYNUM(nb_multiply);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3532 COPYNUM(nb_remainder);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3533 COPYNUM(nb_divmod);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3534 COPYNUM(nb_power);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3535 COPYNUM(nb_negative);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3536 COPYNUM(nb_positive);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3537 COPYNUM(nb_absolute);
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
3538 COPYNUM(nb_bool);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3539 COPYNUM(nb_invert);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3540 COPYNUM(nb_lshift);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3541 COPYNUM(nb_rshift);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3542 COPYNUM(nb_and);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3543 COPYNUM(nb_xor);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3544 COPYNUM(nb_or);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3545 COPYNUM(nb_int);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3546 COPYNUM(nb_long);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3547 COPYNUM(nb_float);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3548 COPYNUM(nb_inplace_add);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3549 COPYNUM(nb_inplace_subtract);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3550 COPYNUM(nb_inplace_multiply);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3551 COPYNUM(nb_inplace_remainder);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3552 COPYNUM(nb_inplace_power);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3553 COPYNUM(nb_inplace_lshift);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3554 COPYNUM(nb_inplace_rshift);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3555 COPYNUM(nb_inplace_and);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3556 COPYNUM(nb_inplace_xor);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3557 COPYNUM(nb_inplace_or);
37191
4bfe8afe8f65 Get rid of remnants of integer division
Neal Norwitz <nnorwitz@gmail.com>
parents: 36925
diff changeset
3558 COPYNUM(nb_true_divide);
4bfe8afe8f65 Get rid of remnants of integer division
Neal Norwitz <nnorwitz@gmail.com>
parents: 36925
diff changeset
3559 COPYNUM(nb_floor_divide);
4bfe8afe8f65 Get rid of remnants of integer division
Neal Norwitz <nnorwitz@gmail.com>
parents: 36925
diff changeset
3560 COPYNUM(nb_inplace_true_divide);
4bfe8afe8f65 Get rid of remnants of integer division
Neal Norwitz <nnorwitz@gmail.com>
parents: 36925
diff changeset
3561 COPYNUM(nb_inplace_floor_divide);
39222
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38453
diff changeset
3562 COPYNUM(nb_index);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3563 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3564
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3565 if (type->tp_as_sequence != NULL && base->tp_as_sequence != NULL) {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3566 basebase = base->tp_base;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3567 if (basebase->tp_as_sequence == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3568 basebase = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3569 COPYSEQ(sq_length);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3570 COPYSEQ(sq_concat);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3571 COPYSEQ(sq_repeat);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3572 COPYSEQ(sq_item);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3573 COPYSEQ(sq_ass_item);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3574 COPYSEQ(sq_contains);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3575 COPYSEQ(sq_inplace_concat);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3576 COPYSEQ(sq_inplace_repeat);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3577 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3578
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3579 if (type->tp_as_mapping != NULL && base->tp_as_mapping != NULL) {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3580 basebase = base->tp_base;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3581 if (basebase->tp_as_mapping == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3582 basebase = NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3583 COPYMAP(mp_length);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3584 COPYMAP(mp_subscript);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3585 COPYMAP(mp_ass_subscript);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3586 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3587
20384
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3588 if (type->tp_as_buffer != NULL && base->tp_as_buffer != NULL) {
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3589 basebase = base->tp_base;
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3590 if (basebase->tp_as_buffer == NULL)
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3591 basebase = NULL;
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42477
diff changeset
3592 COPYBUF(bf_getbuffer);
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42477
diff changeset
3593 COPYBUF(bf_releasebuffer);
20384
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3594 }
2ba4018de2e3 SF bug [#470040] ParseTuple t# vs subclasses.
Tim Peters <tim.peters@gmail.com>
parents: 20382
diff changeset
3595
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3596 basebase = base->tp_base;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3597
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3598 COPYSLOT(tp_dealloc);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3599 if (type->tp_getattr == NULL && type->tp_getattro == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3600 type->tp_getattr = base->tp_getattr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3601 type->tp_getattro = base->tp_getattro;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3602 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3603 if (type->tp_setattr == NULL && type->tp_setattro == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3604 type->tp_setattr = base->tp_setattr;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3605 type->tp_setattro = base->tp_setattro;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3606 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3607 /* tp_compare see tp_richcompare */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3608 COPYSLOT(tp_repr);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
3609 /* tp_hash see tp_richcompare */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3610 COPYSLOT(tp_call);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3611 COPYSLOT(tp_str);
39222
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38453
diff changeset
3612 {
39623
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3613 /* Copy comparison-related slots only when
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3614 not overriding them anywhere */
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
3615 if (type->tp_compare == NULL &&
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
3616 type->tp_richcompare == 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
3617 type->tp_hash == NULL &&
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
3618 !overrides_hash(type))
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
3619 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3620 type->tp_compare = base->tp_compare;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3621 type->tp_richcompare = base->tp_richcompare;
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
3622 type->tp_hash = base->tp_hash;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3623 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3624 }
39222
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38453
diff changeset
3625 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3626 COPYSLOT(tp_iter);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3627 COPYSLOT(tp_iternext);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3628 }
39222
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38453
diff changeset
3629 {
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3630 COPYSLOT(tp_descr_get);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3631 COPYSLOT(tp_descr_set);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3632 COPYSLOT(tp_dictoffset);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3633 COPYSLOT(tp_init);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3634 COPYSLOT(tp_alloc);
22848
e589e473f232 Inherit tp_new and tp_is_gc.
Guido van Rossum <guido@python.org>
parents: 22834
diff changeset
3635 COPYSLOT(tp_is_gc);
29201
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3636 if ((type->tp_flags & Py_TPFLAGS_HAVE_GC) ==
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3637 (base->tp_flags & Py_TPFLAGS_HAVE_GC)) {
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3638 /* They agree about gc. */
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3639 COPYSLOT(tp_free);
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3640 }
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3641 else if ((type->tp_flags & Py_TPFLAGS_HAVE_GC) &&
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3642 type->tp_free == NULL &&
42673
692f57a5dc76 Remove _PyObject_Del
Neal Norwitz <nnorwitz@gmail.com>
parents: 42665
diff changeset
3643 base->tp_free == PyObject_Free) {
29201
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3644 /* A bit of magic to plug in the correct default
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3645 * tp_free function when a derived class adds gc,
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3646 * didn't define tp_free, and the base uses the
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3647 * default non-gc tp_free.
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3648 */
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3649 type->tp_free = PyObject_GC_Del;
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3650 }
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3651 /* else they didn't agree about gc, and there isn't something
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3652 * obvious to be done -- the type is on its own.
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3653 */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3654 }
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3655 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3656
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
3657 static int add_operators(PyTypeObject *);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3658
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3659 int
19040
4df72ea78ae8 - Rename PyType_InitDict() to PyType_Ready().
Guido van Rossum <guido@python.org>
parents: 19036
diff changeset
3660 PyType_Ready(PyTypeObject *type)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3661 {
20439
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
3662 PyObject *dict, *bases;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3663 PyTypeObject *base;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
3664 Py_ssize_t i, n;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3665
23756
8e5f26796620 Undo the last chunk of the previous patch, putting back a useful
Guido van Rossum <guido@python.org>
parents: 23755
diff changeset
3666 if (type->tp_flags & Py_TPFLAGS_READY) {
8e5f26796620 Undo the last chunk of the previous patch, putting back a useful
Guido van Rossum <guido@python.org>
parents: 23755
diff changeset
3667 assert(type->tp_dict != NULL);
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3668 return 0;
23756
8e5f26796620 Undo the last chunk of the previous patch, putting back a useful
Guido van Rossum <guido@python.org>
parents: 23755
diff changeset
3669 }
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3670 assert((type->tp_flags & Py_TPFLAGS_READYING) == 0);
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3671
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3672 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
3673
28389
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3674 #ifdef Py_TRACE_REFS
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3675 /* PyType_Ready is the closest thing we have to a choke point
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3676 * for type objects, so is the best place I can think of to try
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3677 * to get type objects into the doubly-linked list of all objects.
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3678 * Still, not all type objects go thru PyType_Ready.
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3679 */
28396
d56282c28a1e Improved new Py_TRACE_REFS gimmicks.
Tim Peters <tim.peters@gmail.com>
parents: 28390
diff changeset
3680 _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
3681 #endif
4ede57a42c62 Refactored some of the Py_TRACE_REFS code. New private API function
Tim Peters <tim.peters@gmail.com>
parents: 28288
diff changeset
3682
22871
252438bb05d9 - A type can now inherit its metatype from its base type. Previously,
Guido van Rossum <guido@python.org>
parents: 22859
diff changeset
3683 /* Initialize tp_base (defaults to BaseObject unless that's us) */
252438bb05d9 - A type can now inherit its metatype from its base type. Previously,
Guido van Rossum <guido@python.org>
parents: 22859
diff changeset
3684 base = type->tp_base;
33174
f6fa649fc4af Patch #980082: Missing INCREF in PyType_Ready.
Martin v. Löwis <martin@v.loewis.de>
parents: 32916
diff changeset
3685 if (base == NULL && type != &PyBaseObject_Type) {
22871
252438bb05d9 - A type can now inherit its metatype from its base type. Previously,
Guido van Rossum <guido@python.org>
parents: 22859
diff changeset
3686 base = type->tp_base = &PyBaseObject_Type;
33174
f6fa649fc4af Patch #980082: Missing INCREF in PyType_Ready.
Martin v. Löwis <martin@v.loewis.de>
parents: 32916
diff changeset
3687 Py_INCREF(base);
f6fa649fc4af Patch #980082: Missing INCREF in PyType_Ready.
Martin v. Löwis <martin@v.loewis.de>
parents: 32916
diff changeset
3688 }
22871
252438bb05d9 - A type can now inherit its metatype from its base type. Previously,
Guido van Rossum <guido@python.org>
parents: 22859
diff changeset
3689
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3690 /* Now the only way base can still be NULL is if type is
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3691 * &PyBaseObject_Type.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3692 */
36925
7c17e9221f94 Fix three nits found by Coverity, adding null checks and comments.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
3693
24825
c001e5a15369 PyType_Ready(): initialize the base class a bit earlier, so that if we
Guido van Rossum <guido@python.org>
parents: 24795
diff changeset
3694 /* Initialize the base class */
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
3695 if (base != NULL && base->tp_dict == NULL) {
24825
c001e5a15369 PyType_Ready(): initialize the base class a bit earlier, so that if we
Guido van Rossum <guido@python.org>
parents: 24795
diff changeset
3696 if (PyType_Ready(base) < 0)
c001e5a15369 PyType_Ready(): initialize the base class a bit earlier, so that if we
Guido van Rossum <guido@python.org>
parents: 24795
diff changeset
3697 goto error;
c001e5a15369 PyType_Ready(): initialize the base class a bit earlier, so that if we
Guido van Rossum <guido@python.org>
parents: 24795
diff changeset
3698 }
c001e5a15369 PyType_Ready(): initialize the base class a bit earlier, so that if we
Guido van Rossum <guido@python.org>
parents: 24795
diff changeset
3699
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3700 /* Initialize ob_type if NULL. This means extensions that want to be
21451
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3701 compilable separately on Windows can call PyType_Ready() instead of
be5ca0b25bfd - PyType_Ready(): Initialize the ob_type field to &PyType_Type if it's
Guido van Rossum <guido@python.org>
parents: 21404
diff changeset
3702 initializing the ob_type field of their type objects. */
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3703 /* The test for base != NULL is really unnecessary, since base is only
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3704 NULL when type is &PyBaseObject_Type, and we know its ob_type is
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3705 not NULL (it's initialized to &PyType_Type). But coverity doesn't
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3706 know that. */
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
3707 if (Py_TYPE(type) == NULL && base != NULL)
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
3708 Py_TYPE(type) = Py_TYPE(base);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3709
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3710 /* Initialize tp_bases */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3711 bases = type->tp_bases;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3712 if (bases == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3713 if (base == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3714 bases = PyTuple_New(0);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3715 else
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
3716 bases = PyTuple_Pack(1, base);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3717 if (bases == NULL)
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3718 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3719 type->tp_bases = bases;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3720 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3721
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3722 /* Initialize tp_dict */
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3723 dict = type->tp_dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3724 if (dict == NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3725 dict = PyDict_New();
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3726 if (dict == NULL)
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3727 goto error;
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3728 type->tp_dict = dict;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3729 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3730
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
3731 /* Add type-specific descriptors to tp_dict */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3732 if (add_operators(type) < 0)
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3733 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3734 if (type->tp_methods != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3735 if (add_methods(type, type->tp_methods) < 0)
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3736 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3737 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3738 if (type->tp_members != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3739 if (add_members(type, type->tp_members) < 0)
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3740 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3741 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3742 if (type->tp_getset != NULL) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3743 if (add_getset(type, type->tp_getset) < 0)
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3744 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3745 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3746
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3747 /* Calculate method resolution order */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3748 if (mro_internal(type) < 0) {
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3749 goto error;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3750 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3751
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3752 /* Inherit special flags from dominant base */
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3753 if (type->tp_base != NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3754 inherit_special(type, type->tp_base);
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3755
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3756 /* Initialize tp_dict properly */
20439
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
3757 bases = type->tp_mro;
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
3758 assert(bases != NULL);
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
3759 assert(PyTuple_Check(bases));
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
3760 n = PyTuple_GET_SIZE(bases);
85571d5f6545 Completely get rid of __dynamic__ and the corresponding
Guido van Rossum <guido@python.org>
parents: 20436
diff changeset
3761 for (i = 1; i < n; i++) {
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
3762 PyObject *b = PyTuple_GET_ITEM(bases, i);
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
3763 if (PyType_Check(b))
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
3764 inherit_slots(type, (PyTypeObject *)b);
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
3765 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3766
29201
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3767 /* Sanity check for tp_free. */
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3768 if (PyType_IS_GC(type) && (type->tp_flags & Py_TPFLAGS_BASETYPE) &&
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3769 (type->tp_free == NULL || type->tp_free == PyObject_Del)) {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3770 /* This base class needs to call tp_free, but doesn't have
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3771 * one, or its tp_free is for non-gc'ed objects.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3772 */
29201
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3773 PyErr_Format(PyExc_TypeError, "type '%.100s' participates in "
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3774 "gc and is a base type but has inappropriate "
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3775 "tp_free slot",
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3776 type->tp_name);
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3777 goto error;
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3778 }
754fd34ad978 PyType_Ready(): Complain if the type is a base type, and gc'able, and
Tim Peters <tim.peters@gmail.com>
parents: 29173
diff changeset
3779
21997
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3780 /* if the type dictionary doesn't contain a __doc__, set it from
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3781 the tp_doc slot.
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3782 */
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3783 if (PyDict_GetItemString(type->tp_dict, "__doc__") == NULL) {
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3784 if (type->tp_doc != NULL) {
42822
302aeee32da8 Use unicode
Neal Norwitz <nnorwitz@gmail.com>
parents: 42817
diff changeset
3785 PyObject *doc = PyUnicode_FromString(type->tp_doc);
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
3786 if (doc == NULL)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
3787 goto error;
21997
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3788 PyDict_SetItemString(type->tp_dict, "__doc__", doc);
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3789 Py_DECREF(doc);
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3790 } else {
22774
02fddf7c25c2 Fold some long lines. Delete blank initial line.
Guido van Rossum <guido@python.org>
parents: 22770
diff changeset
3791 PyDict_SetItemString(type->tp_dict,
02fddf7c25c2 Fold some long lines. Delete blank initial line.
Guido van Rossum <guido@python.org>
parents: 22770
diff changeset
3792 "__doc__", Py_None);
21997
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3793 }
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3794 }
cb5b4a54ff12 backport loewis' checkin of
Michael W. Hudson <mwh@python.net>
parents: 21451
diff changeset
3795
39623
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3796 /* Hack for tp_hash and __hash__.
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3797 If after all that, tp_hash is still NULL, and __hash__ is not in
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3798 tp_dict, set tp_dict['__hash__'] equal to None.
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3799 This signals that __hash__ is not inherited.
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3800 */
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3801 if (type->tp_hash == NULL) {
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3802 if (PyDict_GetItemString(type->tp_dict, "__hash__") == NULL) {
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3803 if (PyDict_SetItemString(type->tp_dict, "__hash__", Py_None) < 0)
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3804 goto error;
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3805 }
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3806 }
c6d9fa81f20f Change the way __hash__ is inherited; when __eq__ or __cmp__ is overridden
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
3807
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3808 /* Some more special stuff */
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3809 base = type->tp_base;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3810 if (base != NULL) {
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3811 if (type->tp_as_number == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3812 type->tp_as_number = base->tp_as_number;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3813 if (type->tp_as_sequence == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3814 type->tp_as_sequence = base->tp_as_sequence;
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3815 if (type->tp_as_mapping == NULL)
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3816 type->tp_as_mapping = base->tp_as_mapping;
27821
b804ee5beb49 Fix from SF #681367: inherit tp_as_buffer. This only applies to C
Guido van Rossum <guido@python.org>
parents: 27814
diff changeset
3817 if (type->tp_as_buffer == NULL)
b804ee5beb49 Fix from SF #681367: inherit tp_as_buffer. This only applies to C
Guido van Rossum <guido@python.org>
parents: 27814
diff changeset
3818 type->tp_as_buffer = base->tp_as_buffer;
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3819 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3820
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3821 /* Link into each base class's list of subclasses */
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3822 bases = type->tp_bases;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3823 n = PyTuple_GET_SIZE(bases);
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3824 for (i = 0; i < n; i++) {
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
3825 PyObject *b = PyTuple_GET_ITEM(bases, i);
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
3826 if (PyType_Check(b) &&
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
3827 add_subclass((PyTypeObject *)b, type) < 0)
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3828 goto error;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3829 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3830
19153
64d4ad73a887 - Big changes to fix SF bug #442833 (a nasty multiple inheritance
Guido van Rossum <guido@python.org>
parents: 19136
diff changeset
3831 /* All done -- set the ready flag */
19136
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3832 assert(type->tp_dict != NULL);
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3833 type->tp_flags =
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3834 (type->tp_flags & ~Py_TPFLAGS_READYING) | Py_TPFLAGS_READY;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3835 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
3836
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3837 error:
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3838 type->tp_flags &= ~Py_TPFLAGS_READYING;
6463cd9db2fc Change PyType_Ready() to use the READY and READYING flags. This makes
Guido van Rossum <guido@python.org>
parents: 19109
diff changeset
3839 return -1;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3840 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3841
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3842 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
3843 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
3844 {
36519
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
3845 Py_ssize_t i;
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
3846 int result;
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
3847 PyObject *list, *ref, *newobj;
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3848
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3849 list = base->tp_subclasses;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3850 if (list == NULL) {
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3851 base->tp_subclasses = list = PyList_New(0);
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3852 if (list == NULL)
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3853 return -1;
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3854 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3855 assert(PyList_Check(list));
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
3856 newobj = PyWeakref_NewRef((PyObject *)type, NULL);
20315
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3857 i = PyList_GET_SIZE(list);
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3858 while (--i >= 0) {
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3859 ref = PyList_GET_ITEM(list, i);
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3860 assert(PyWeakref_CheckRef(ref));
25839
243503926c81 Sigh. That wasn't a memory leak, that was Guido committing before
Guido van Rossum <guido@python.org>
parents: 25837
diff changeset
3861 if (PyWeakref_GET_OBJECT(ref) == Py_None)
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
3862 return PyList_SetItem(list, i, newobj);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
3863 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
3864 result = PyList_Append(list, newobj);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
3865 Py_DECREF(newobj);
36519
d6d415df0df0 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36510
diff changeset
3866 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
3867 }
7b41f7a2e528 Keep track of a type's subclasses (subtypes), in tp_subclasses, which
Guido van Rossum <guido@python.org>
parents: 20296
diff changeset
3868
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3869 static void
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3870 remove_subclass(PyTypeObject *base, PyTypeObject *type)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3871 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
3872 Py_ssize_t i;
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3873 PyObject *list, *ref;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3874
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3875 list = base->tp_subclasses;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3876 if (list == NULL) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3877 return;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3878 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3879 assert(PyList_Check(list));
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3880 i = PyList_GET_SIZE(list);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3881 while (--i >= 0) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3882 ref = PyList_GET_ITEM(list, i);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3883 assert(PyWeakref_CheckRef(ref));
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3884 if (PyWeakref_GET_OBJECT(ref) == (PyObject*)type) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3885 /* this can't fail, right? */
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3886 PySequence_DelItem(list, i);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3887 return;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3888 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3889 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
3890 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3891
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3892 static int
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3893 check_num_args(PyObject *ob, int n)
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3894 {
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3895 if (!PyTuple_CheckExact(ob)) {
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3896 PyErr_SetString(PyExc_SystemError,
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3897 "PyArg_UnpackTuple() argument list is not a tuple");
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3898 return 0;
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3899 }
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3900 if (n == PyTuple_GET_SIZE(ob))
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3901 return 1;
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3902 PyErr_Format(
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3903 PyExc_TypeError,
36510
0f3894bb2ada Support %zd in PyErr_Format and PyString_FromFormat.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
3904 "expected %d arguments, got %zd", n, PyTuple_GET_SIZE(ob));
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3905 return 0;
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3906 }
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3907
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3908 /* 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
3909
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3910 /* There's a wrapper *function* for each distinct function typedef used
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
3911 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
3912 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
3913 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
3914 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
3915
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3916 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
3917 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
3918 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
3919 lenfunc func = (lenfunc)wrapped;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
3920 Py_ssize_t res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3921
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3922 if (!check_num_args(args, 0))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3923 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3924 res = (*func)(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3925 if (res == -1 && PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3926 return NULL;
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 44098
diff changeset
3927 return PyLong_FromLong((long)res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3928 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3929
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3930 static PyObject *
30670
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
3931 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
3932 {
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
3933 inquiry func = (inquiry)wrapped;
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
3934 int res;
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
3935
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3936 if (!check_num_args(args, 0))
30670
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
3937 return NULL;
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
3938 res = (*func)(self);
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
3939 if (res == -1 && PyErr_Occurred())
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
3940 return NULL;
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
3941 return PyBool_FromLong((long)res);
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
3942 }
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
3943
7f6134f8bd06 SF bug #820397: __nonzero__() returns 1/0
Raymond Hettinger <python@rcn.com>
parents: 30660
diff changeset
3944 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3945 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
3946 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3947 binaryfunc func = (binaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3948 PyObject *other;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3949
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3950 if (!check_num_args(args, 1))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3951 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3952 other = PyTuple_GET_ITEM(args, 0);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3953 return (*func)(self, other);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3954 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3955
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3956 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
3957 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
3958 {
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
3959 binaryfunc func = (binaryfunc)wrapped;
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
3960 PyObject *other;
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
3961
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3962 if (!check_num_args(args, 1))
20328
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
3963 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3964 other = PyTuple_GET_ITEM(args, 0);
20328
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
3965 return (*func)(self, other);
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
3966 }
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
3967
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
3968 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3969 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
3970 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3971 binaryfunc func = (binaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3972 PyObject *other;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3973
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3974 if (!check_num_args(args, 1))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3975 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
3976 other = PyTuple_GET_ITEM(args, 0);
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
3977 if (!PyType_IsSubtype(Py_TYPE(other), Py_TYPE(self))) {
20328
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
3978 Py_INCREF(Py_NotImplemented);
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
3979 return Py_NotImplemented;
26b5f8b94872 It turned out not so difficult to support old-style numbers (those
Guido van Rossum <guido@python.org>
parents: 20320
diff changeset
3980 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3981 return (*func)(other, self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3982 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3983
20140
225f17ec8932 Merge branch changes (coercion, rich comparisons) into trunk.
Guido van Rossum <guido@python.org>
parents: 20095
diff changeset
3984 static PyObject *
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3985 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
3986 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3987 ternaryfunc func = (ternaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3988 PyObject *other;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3989 PyObject *third = Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3990
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3991 /* Note: This wrapper only works for __pow__() */
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3992
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
3993 if (!PyArg_UnpackTuple(args, "", 1, 2, &other, &third))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3994 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3995 return (*func)(self, other, third);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3996 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
3997
20168
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
3998 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
3999 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
4000 {
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4001 ternaryfunc func = (ternaryfunc)wrapped;
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4002 PyObject *other;
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4003 PyObject *third = Py_None;
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4004
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4005 /* Note: This wrapper only works for __pow__() */
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4006
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4007 if (!PyArg_UnpackTuple(args, "", 1, 2, &other, &third))
20168
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4008 return NULL;
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4009 return (*func)(other, self, third);
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4010 }
091e9e3ceeaf Ouch. The wrapper for __rpow__ was the same as for __pow__, resulting
Guido van Rossum <guido@python.org>
parents: 20140
diff changeset
4011
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4012 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4013 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
4014 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4015 unaryfunc func = (unaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4016
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4017 if (!check_num_args(args, 0))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4018 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4019 return (*func)(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4020 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4021
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4022 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
4023 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
4024 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4025 ssizeargfunc func = (ssizeargfunc)wrapped;
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
4026 PyObject* o;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4027 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4028
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
4029 if (!PyArg_UnpackTuple(args, "", 1, 1, &o))
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
4030 return NULL;
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39603
diff changeset
4031 i = PyNumber_AsSsize_t(o, PyExc_OverflowError);
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
4032 if (i == -1 && PyErr_Occurred())
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4033 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4034 return (*func)(self, i);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4035 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4036
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4037 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
4038 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
4039 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4040 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4041
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39603
diff changeset
4042 i = PyNumber_AsSsize_t(arg, PyExc_OverflowError);
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4043 if (i == -1 && PyErr_Occurred())
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4044 return -1;
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4045 if (i < 0) {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4046 PySequenceMethods *sq = Py_TYPE(self)->tp_as_sequence;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4047 if (sq && sq->sq_length) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4048 Py_ssize_t n = (*sq->sq_length)(self);
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4049 if (n < 0)
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4050 return -1;
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4051 i += n;
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4052 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4053 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4054 return i;
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4055 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4056
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4057 static PyObject *
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4058 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
4059 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4060 ssizeargfunc func = (ssizeargfunc)wrapped;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4061 PyObject *arg;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4062 Py_ssize_t i;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4063
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4064 if (PyTuple_GET_SIZE(args) == 1) {
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4065 arg = PyTuple_GET_ITEM(args, 0);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4066 i = getindex(self, arg);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4067 if (i == -1 && PyErr_Occurred())
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4068 return NULL;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4069 return (*func)(self, i);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4070 }
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4071 check_num_args(args, 1);
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4072 assert(PyErr_Occurred());
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4073 return NULL;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4074 }
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4075
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4076 static PyObject *
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4077 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
4078 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4079 ssizeobjargproc func = (ssizeobjargproc)wrapped;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4080 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4081 int res;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4082 PyObject *arg, *value;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4083
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4084 if (!PyArg_UnpackTuple(args, "", 2, 2, &arg, &value))
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4085 return NULL;
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4086 i = getindex(self, arg);
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4087 if (i == -1 && PyErr_Occurred())
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4088 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4089 res = (*func)(self, i, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4090 if (res == -1 && PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4091 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4092 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4093 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4094 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4095
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4096 static PyObject *
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4097 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
4098 {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4099 ssizeobjargproc func = (ssizeobjargproc)wrapped;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4100 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4101 int res;
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4102 PyObject *arg;
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4103
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4104 if (!check_num_args(args, 1))
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4105 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4106 arg = PyTuple_GET_ITEM(args, 0);
19353
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4107 i = getindex(self, arg);
051d8e380f38 Address SF bug #442813. The sequence getitem wrappers should do
Guido van Rossum <guido@python.org>
parents: 19349
diff changeset
4108 if (i == -1 && PyErr_Occurred())
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4109 return NULL;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4110 res = (*func)(self, i, NULL);
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4111 if (res == -1 && PyErr_Occurred())
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4112 return NULL;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4113 Py_INCREF(Py_None);
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4114 return Py_None;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4115 }
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4116
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4117 /* 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
4118 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4119 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
4120 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4121 objobjproc func = (objobjproc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4122 int res;
30660
36992ca918a3 Fix leak introduced by previous typeobject.c checkin.
Guido van Rossum <guido@python.org>
parents: 30659
diff changeset
4123 PyObject *value;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4124
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4125 if (!check_num_args(args, 1))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4126 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4127 value = PyTuple_GET_ITEM(args, 0);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4128 res = (*func)(self, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4129 if (res == -1 && PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4130 return NULL;
30660
36992ca918a3 Fix leak introduced by previous typeobject.c checkin.
Guido van Rossum <guido@python.org>
parents: 30659
diff changeset
4131 else
36992ca918a3 Fix leak introduced by previous typeobject.c checkin.
Guido van Rossum <guido@python.org>
parents: 30659
diff changeset
4132 return PyBool_FromLong(res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4133 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4134
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4135 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4136 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
4137 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4138 objobjargproc func = (objobjargproc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4139 int res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4140 PyObject *key, *value;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4141
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4142 if (!PyArg_UnpackTuple(args, "", 2, 2, &key, &value))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4143 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4144 res = (*func)(self, key, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4145 if (res == -1 && PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4146 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4147 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4148 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4149 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4150
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4151 static PyObject *
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4152 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
4153 {
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4154 objobjargproc func = (objobjargproc)wrapped;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4155 int res;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4156 PyObject *key;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4157
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4158 if (!check_num_args(args, 1))
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4159 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4160 key = PyTuple_GET_ITEM(args, 0);
18941
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4161 res = (*func)(self, key, NULL);
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4162 if (res == -1 && PyErr_Occurred())
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4163 return NULL;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4164 Py_INCREF(Py_None);
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4165 return Py_None;
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4166 }
013cffcfd8a3 Fix SF #442791 (revisited): No __delitem__ wrapper was defined.
Guido van Rossum <guido@python.org>
parents: 18933
diff changeset
4167
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4168 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4169 wrap_cmpfunc(PyObject *self, PyObject *args, void *wrapped)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4170 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4171 cmpfunc func = (cmpfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4172 int res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4173 PyObject *other;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4174
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4175 if (!check_num_args(args, 1))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4176 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4177 other = PyTuple_GET_ITEM(args, 0);
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4178 if (Py_TYPE(other)->tp_compare != func &&
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4179 !PyType_IsSubtype(Py_TYPE(other), Py_TYPE(self))) {
19964
43e5fd54f8c9 wrap_cmpfunc(): added a safety check for the __cmp__ wrapper. We can
Guido van Rossum <guido@python.org>
parents: 19950
diff changeset
4180 PyErr_Format(
43e5fd54f8c9 wrap_cmpfunc(): added a safety check for the __cmp__ wrapper. We can
Guido van Rossum <guido@python.org>
parents: 19950
diff changeset
4181 PyExc_TypeError,
43e5fd54f8c9 wrap_cmpfunc(): added a safety check for the __cmp__ wrapper. We can
Guido van Rossum <guido@python.org>
parents: 19950
diff changeset
4182 "%s.__cmp__(x,y) requires y to be a '%s', not a '%s'",
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4183 Py_TYPE(self)->tp_name,
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4184 Py_TYPE(self)->tp_name,
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4185 Py_TYPE(other)->tp_name);
19964
43e5fd54f8c9 wrap_cmpfunc(): added a safety check for the __cmp__ wrapper. We can
Guido van Rossum <guido@python.org>
parents: 19950
diff changeset
4186 return NULL;
43e5fd54f8c9 wrap_cmpfunc(): added a safety check for the __cmp__ wrapper. We can
Guido van Rossum <guido@python.org>
parents: 19950
diff changeset
4187 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4188 res = (*func)(self, other);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4189 if (PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4190 return NULL;
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 44098
diff changeset
4191 return PyLong_FromLong((long)res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4192 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4193
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4194 /* 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
4195 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
4196 static int
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4197 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
4198 {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4199 PyTypeObject *type = Py_TYPE(self);
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4200 while (type && type->tp_flags & Py_TPFLAGS_HEAPTYPE)
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4201 type = type->tp_base;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
4202 /* If type is NULL now, this is a really weird type.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
4203 In the spirit of backwards compatibility (?), just shut up. */
36925
7c17e9221f94 Fix three nits found by Coverity, adding null checks and comments.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
4204 if (type && type->tp_setattro != func) {
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4205 PyErr_Format(PyExc_TypeError,
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4206 "can't apply this %s to %s object",
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4207 what,
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4208 type->tp_name);
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4209 return 0;
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4210 }
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4211 return 1;
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4212 }
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4213
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4214 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4215 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
4216 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4217 setattrofunc func = (setattrofunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4218 int res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4219 PyObject *name, *value;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4220
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4221 if (!PyArg_UnpackTuple(args, "", 2, 2, &name, &value))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4222 return NULL;
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4223 if (!hackcheck(self, func, "__setattr__"))
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4224 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4225 res = (*func)(self, name, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4226 if (res < 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4227 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4228 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4229 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4230 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4231
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4232 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4233 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
4234 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4235 setattrofunc func = (setattrofunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4236 int res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4237 PyObject *name;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4238
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4239 if (!check_num_args(args, 1))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4240 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4241 name = PyTuple_GET_ITEM(args, 0);
28608
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4242 if (!hackcheck(self, func, "__delattr__"))
8322077d234c Close off the "Verre Carlo hack" as discussed on python-dev.
Guido van Rossum <guido@python.org>
parents: 28607
diff changeset
4243 return NULL;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4244 res = (*func)(self, name, NULL);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4245 if (res < 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4246 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4247 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4248 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4249 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4250
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4251 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4252 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
4253 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4254 hashfunc func = (hashfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4255 long res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4256
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4257 if (!check_num_args(args, 0))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4258 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4259 res = (*func)(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4260 if (res == -1 && PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4261 return NULL;
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 44098
diff changeset
4262 return PyLong_FromLong(res);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4263 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4264
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4265 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
4266 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
4267 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4268 ternaryfunc func = (ternaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4269
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
4270 return (*func)(self, args, kwds);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4271 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4272
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4273 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4274 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
4275 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4276 richcmpfunc func = (richcmpfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4277 PyObject *other;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4278
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4279 if (!check_num_args(args, 1))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4280 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4281 other = PyTuple_GET_ITEM(args, 0);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4282 return (*func)(self, other, op);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4283 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4284
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4285 #undef RICHCMP_WRAPPER
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4286 #define RICHCMP_WRAPPER(NAME, OP) \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4287 static PyObject * \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4288 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
4289 { \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4290 return wrap_richcmpfunc(self, args, wrapped, OP); \
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4291 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4292
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
4293 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
4294 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
4295 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
4296 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
4297 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
4298 RICHCMP_WRAPPER(ge, Py_GE)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4299
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4300 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4301 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
4302 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4303 unaryfunc func = (unaryfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4304 PyObject *res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4305
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4306 if (!check_num_args(args, 0))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4307 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4308 res = (*func)(self);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4309 if (res == NULL && !PyErr_Occurred())
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4310 PyErr_SetNone(PyExc_StopIteration);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4311 return res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4312 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4313
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4314 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4315 wrap_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
4316 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4317 descrgetfunc func = (descrgetfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4318 PyObject *obj;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4319 PyObject *type = NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4320
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4321 if (!PyArg_UnpackTuple(args, "", 1, 2, &obj, &type))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4322 return NULL;
27811
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4323 if (obj == Py_None)
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4324 obj = NULL;
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4325 if (type == Py_None)
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4326 type = NULL;
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4327 if (type == NULL &&obj == NULL) {
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4328 PyErr_SetString(PyExc_TypeError,
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4329 "__get__(None, None) is invalid");
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4330 return NULL;
42396a786f59 Add basic arg sanity checking to wrap_descr_get(). This is called
Guido van Rossum <guido@python.org>
parents: 27807
diff changeset
4331 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4332 return (*func)(self, obj, type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4333 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4334
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4335 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
4336 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
4337 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4338 descrsetfunc func = (descrsetfunc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4339 PyObject *obj, *value;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4340 int ret;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4341
30671
adc60015670a Use the simpler and faster PyArg_UnpackTuple() instead of
Raymond Hettinger <python@rcn.com>
parents: 30670
diff changeset
4342 if (!PyArg_UnpackTuple(args, "", 2, 2, &obj, &value))
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4343 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4344 ret = (*func)(self, obj, value);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4345 if (ret < 0)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4346 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4347 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4348 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4349 }
24614
40eb80dc4250 Fix SF bug 574207 (chained __slots__ dealloc segfault).
Guido van Rossum <guido@python.org>
parents: 24460
diff changeset
4350
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4351 static PyObject *
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4352 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
4353 {
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4354 descrsetfunc func = (descrsetfunc)wrapped;
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4355 PyObject *obj;
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4356 int ret;
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4357
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4358 if (!check_num_args(args, 1))
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4359 return NULL;
31176
381140e7e9d7 Improve argument checking speed.
Raymond Hettinger <python@rcn.com>
parents: 31172
diff changeset
4360 obj = PyTuple_GET_ITEM(args, 0);
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4361 ret = (*func)(self, obj, NULL);
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4362 if (ret < 0)
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4363 return NULL;
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4364 Py_INCREF(Py_None);
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4365 return Py_None;
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
4366 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4367
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4368 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
4369 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
4370 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4371 initproc func = (initproc)wrapped;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4372
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
4373 if (func(self, args, kwds) < 0)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4374 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4375 Py_INCREF(Py_None);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4376 return Py_None;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4377 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4378
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4379 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
4380 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
4381 {
19429
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4382 PyTypeObject *type, *subtype, *staticbase;
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4383 PyObject *arg0, *res;
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4384
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4385 if (self == NULL || !PyType_Check(self))
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4386 Py_FatalError("__new__() called with non-type 'self'");
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4387 type = (PyTypeObject *)self;
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4388 if (!PyTuple_Check(args) || PyTuple_GET_SIZE(args) < 1) {
19429
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4389 PyErr_Format(PyExc_TypeError,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4390 "%s.__new__(): not enough arguments",
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4391 type->tp_name);
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4392 return NULL;
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4393 }
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4394 arg0 = PyTuple_GET_ITEM(args, 0);
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4395 if (!PyType_Check(arg0)) {
19429
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4396 PyErr_Format(PyExc_TypeError,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4397 "%s.__new__(X): X is not a type object (%s)",
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4398 type->tp_name,
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4399 Py_TYPE(arg0)->tp_name);
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4400 return NULL;
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4401 }
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4402 subtype = (PyTypeObject *)arg0;
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4403 if (!PyType_IsSubtype(subtype, type)) {
19429
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4404 PyErr_Format(PyExc_TypeError,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4405 "%s.__new__(%s): %s is not a subtype of %s",
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4406 type->tp_name,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4407 subtype->tp_name,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4408 subtype->tp_name,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4409 type->tp_name);
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4410 return NULL;
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4411 }
19429
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4412
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4413 /* Check that the use doesn't do something silly and unsafe like
20754
272336648d1f Rename "dictionary" (type and constructor) to "dict".
Tim Peters <tim.peters@gmail.com>
parents: 20753
diff changeset
4414 object.__new__(dict). To do this, we check that the
19429
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4415 most derived base that's not a heap type is this type. */
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4416 staticbase = subtype;
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4417 while (staticbase && (staticbase->tp_flags & Py_TPFLAGS_HEAPTYPE))
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4418 staticbase = staticbase->tp_base;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
4419 /* If staticbase is NULL now, it is a really weird type.
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
4420 In the spirit of backwards compatibility (?), just shut up. */
36925
7c17e9221f94 Fix three nits found by Coverity, adding null checks and comments.
Guido van Rossum <guido@python.org>
parents: 36882
diff changeset
4421 if (staticbase && staticbase->tp_new != type->tp_new) {
19429
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4422 PyErr_Format(PyExc_TypeError,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4423 "%s.__new__(%s) is not safe, use %s.__new__()",
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4424 type->tp_name,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4425 subtype->tp_name,
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4426 staticbase == NULL ? "?" : staticbase->tp_name);
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4427 return NULL;
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4428 }
9cf669581110 Merge changes from r22a2-branch back into trunk. Also, change patch
Barry Warsaw <barry@python.org>
parents: 19353
diff changeset
4429
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
4430 args = PyTuple_GetSlice(args, 1, PyTuple_GET_SIZE(args));
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4431 if (args == NULL)
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4432 return NULL;
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4433 res = type->tp_new(subtype, args, kwds);
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4434 Py_DECREF(args);
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4435 return res;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4436 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4437
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
4438 static struct PyMethodDef tp_new_methoddef[] = {
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41769
diff changeset
4439 {"__new__", (PyCFunction)tp_new_wrapper, METH_VARARGS|METH_KEYWORDS,
24795
452d6a916196 Allow more docstrings to be removed during compilation
Neal Norwitz <nnorwitz@gmail.com>
parents: 24789
diff changeset
4440 PyDoc_STR("T.__new__(S, ...) -> "
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
4441 "a new object with type S, a subtype of T")},
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4442 {0}
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4443 };
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4444
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4445 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
4446 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
4447 {
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4448 PyObject *func;
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4449
20445
27ab0327b2fc Get rid of __defined__ and tp_defined -- there's no need to
Guido van Rossum <guido@python.org>
parents: 20439
diff changeset
4450 if (PyDict_GetItemString(type->tp_dict, "__new__") != NULL)
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4451 return 0;
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4452 func = PyCFunction_New(tp_new_methoddef, (PyObject *)type);
19011
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4453 if (func == NULL)
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4454 return -1;
32407
aaf9295ed45b Cosmetic spacing fix.
Raymond Hettinger <python@rcn.com>
parents: 32404
diff changeset
4455 if (PyDict_SetItemString(type->tp_dict, "__new__", func)) {
32404
75e5d1e8b617 Fix leak found by Eric Huss.
Raymond Hettinger <python@rcn.com>
parents: 32323
diff changeset
4456 Py_DECREF(func);
75e5d1e8b617 Fix leak found by Eric Huss.
Raymond Hettinger <python@rcn.com>
parents: 32323
diff changeset
4457 return -1;
75e5d1e8b617 Fix leak found by Eric Huss.
Raymond Hettinger <python@rcn.com>
parents: 32323
diff changeset
4458 }
75e5d1e8b617 Fix leak found by Eric Huss.
Raymond Hettinger <python@rcn.com>
parents: 32323
diff changeset
4459 Py_DECREF(func);
75e5d1e8b617 Fix leak found by Eric Huss.
Raymond Hettinger <python@rcn.com>
parents: 32323
diff changeset
4460 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
4461 }
c1daa94c21d8 A totally new way to do the __new__ wrapper. This should address the
Guido van Rossum <guido@python.org>
parents: 18941
diff changeset
4462
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4463 /* Slot wrappers that call the corresponding __foo__ slot. See comments
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
4464 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
4465
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4466 #define SLOT0(FUNCNAME, OPSTR) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4467 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4468 FUNCNAME(PyObject *self) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4469 { \
19540
e141b392b61d Fix a typo in SLOT0 macro for the declaration of cache_str.
Guido van Rossum <guido@python.org>
parents: 19538
diff changeset
4470 static PyObject *cache_str; \
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4471 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
4472 }
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4473
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4474 #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
4475 static PyObject * \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4476 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
4477 { \
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4478 static PyObject *cache_str; \
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4479 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
4480 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4481
27124
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4482 /* 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
4483 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
4484 static int
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4485 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
4486 {
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4487 PyObject *a, *b;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4488 int ok;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4489
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4490 b = PyObject_GetAttrString((PyObject *)(Py_TYPE(right)), name);
27124
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4491 if (b == NULL) {
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4492 PyErr_Clear();
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4493 /* If right doesn't have it, it's not overloaded */
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4494 return 0;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4495 }
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4496
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4497 a = PyObject_GetAttrString((PyObject *)(Py_TYPE(left)), name);
27124
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4498 if (a == NULL) {
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4499 PyErr_Clear();
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4500 Py_DECREF(b);
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4501 /* If right has it but left doesn't, it's overloaded */
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4502 return 1;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4503 }
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4504
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4505 ok = PyObject_RichCompareBool(a, b, Py_NE);
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4506 Py_DECREF(a);
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4507 Py_DECREF(b);
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4508 if (ok < 0) {
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4509 PyErr_Clear();
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4510 return 0;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4511 }
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4512
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4513 return ok;
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4514 }
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4515
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4516
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4517 #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
4518 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4519 FUNCNAME(PyObject *self, PyObject *other) \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4520 { \
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4521 static PyObject *cache_str, *rcache_str; \
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4522 int do_other = Py_TYPE(self) != Py_TYPE(other) && \
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4523 Py_TYPE(other)->tp_as_number != NULL && \
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4524 Py_TYPE(other)->tp_as_number->SLOTNAME == TESTFUNC; \
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4525 if (Py_TYPE(self)->tp_as_number != NULL && \
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4526 Py_TYPE(self)->tp_as_number->SLOTNAME == TESTFUNC) { \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4527 PyObject *r; \
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4528 if (do_other && \
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4529 PyType_IsSubtype(Py_TYPE(other), Py_TYPE(self)) && \
27124
d1850a36ae41 Add a refinement to SLOT1BINFULL() that fixes the problem reported in
Guido van Rossum <guido@python.org>
parents: 26964
diff changeset
4530 method_is_overloaded(self, other, ROPSTR)) { \
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4531 r = call_maybe( \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4532 other, ROPSTR, &rcache_str, "(O)", self); \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4533 if (r != Py_NotImplemented) \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4534 return r; \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4535 Py_DECREF(r); \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4536 do_other = 0; \
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4537 } \
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
4538 r = call_maybe( \
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4539 self, OPSTR, &cache_str, "(O)", other); \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4540 if (r != Py_NotImplemented || \
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4541 Py_TYPE(other) == Py_TYPE(self)) \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4542 return r; \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4543 Py_DECREF(r); \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4544 } \
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4545 if (do_other) { \
19913
ca0f54dacdd8 Add call_maybe(): a variant of call_method() that returns
Guido van Rossum <guido@python.org>
parents: 19911
diff changeset
4546 return call_maybe( \
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4547 other, ROPSTR, &rcache_str, "(O)", self); \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4548 } \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4549 Py_INCREF(Py_NotImplemented); \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4550 return Py_NotImplemented; \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4551 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4552
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4553 #define SLOT1BIN(FUNCNAME, SLOTNAME, OPSTR, ROPSTR) \
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4554 SLOT1BINFULL(FUNCNAME, FUNCNAME, SLOTNAME, OPSTR, ROPSTR)
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4555
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4556 #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
4557 static PyObject * \
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4558 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
4559 { \
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4560 static PyObject *cache_str; \
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4561 return call_method(self, OPSTR, &cache_str, \
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4562 "(" ARGCODES ")", arg1, arg2); \
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4563 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4564
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4565 static Py_ssize_t
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4566 slot_sq_length(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4567 {
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4568 static PyObject *len_str;
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4569 PyObject *res = call_method(self, "__len__", &len_str, "()");
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4570 Py_ssize_t len;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4571
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4572 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4573 return -1;
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 44098
diff changeset
4574 len = PyLong_AsSsize_t(res);
20197
b4f0f10a6c5f slot_sq_length(): squash a leak.
Guido van Rossum <guido@python.org>
parents: 20195
diff changeset
4575 Py_DECREF(res);
24376
aa9e054270a2 Complain if __len__() returns < 0, just like classic classes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24280
diff changeset
4576 if (len < 0) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40401
diff changeset
4577 if (!PyErr_Occurred())
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40401
diff changeset
4578 PyErr_SetString(PyExc_ValueError,
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40401
diff changeset
4579 "__len__() should return >= 0");
24376
aa9e054270a2 Complain if __len__() returns < 0, just like classic classes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24280
diff changeset
4580 return -1;
aa9e054270a2 Complain if __len__() returns < 0, just like classic classes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24280
diff changeset
4581 }
20197
b4f0f10a6c5f slot_sq_length(): squash a leak.
Guido van Rossum <guido@python.org>
parents: 20195
diff changeset
4582 return len;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4583 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4584
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4585 /* 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
4586 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
4587 static PyObject *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4588 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
4589 {
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4590 static PyObject *getitem_str;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4591 PyObject *func, *args = NULL, *ival = NULL, *retval = NULL;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4592 descrgetfunc f;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4593
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4594 if (getitem_str == NULL) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
4595 getitem_str = PyUnicode_InternFromString("__getitem__");
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4596 if (getitem_str == NULL)
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4597 return NULL;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4598 }
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4599 func = _PyType_Lookup(Py_TYPE(self), getitem_str);
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4600 if (func != NULL) {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4601 if ((f = Py_TYPE(func)->tp_descr_get) == NULL)
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4602 Py_INCREF(func);
25853
680bfcc9ca06 Fix SF # 624982, Potential AV in slot_sq_item, by Greg Chapman
Neal Norwitz <nnorwitz@gmail.com>
parents: 25839
diff changeset
4603 else {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4604 func = f(func, self, (PyObject *)(Py_TYPE(self)));
25853
680bfcc9ca06 Fix SF # 624982, Potential AV in slot_sq_item, by Greg Chapman
Neal Norwitz <nnorwitz@gmail.com>
parents: 25839
diff changeset
4605 if (func == NULL) {
680bfcc9ca06 Fix SF # 624982, Potential AV in slot_sq_item, by Greg Chapman
Neal Norwitz <nnorwitz@gmail.com>
parents: 25839
diff changeset
4606 return NULL;
680bfcc9ca06 Fix SF # 624982, Potential AV in slot_sq_item, by Greg Chapman
Neal Norwitz <nnorwitz@gmail.com>
parents: 25839
diff changeset
4607 }
680bfcc9ca06 Fix SF # 624982, Potential AV in slot_sq_item, by Greg Chapman
Neal Norwitz <nnorwitz@gmail.com>
parents: 25839
diff changeset
4608 }
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 44098
diff changeset
4609 ival = PyLong_FromSsize_t(i);
20229
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4610 if (ival != NULL) {
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4611 args = PyTuple_New(1);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4612 if (args != NULL) {
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4613 PyTuple_SET_ITEM(args, 0, ival);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4614 retval = PyObject_Call(func, args, NULL);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4615 Py_XDECREF(args);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4616 Py_XDECREF(func);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4617 return retval;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4618 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4619 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4620 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4621 else {
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4622 PyErr_SetObject(PyExc_AttributeError, getitem_str);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4623 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4624 Py_XDECREF(args);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4625 Py_XDECREF(ival);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4626 Py_XDECREF(func);
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4627 return NULL;
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4628 }
8bad55edfdf3 *EXPERIMENTAL* speedup of slot_sq_item. This sped up the following
Guido van Rossum <guido@python.org>
parents: 20225
diff changeset
4629
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4630 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4631 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
4632 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4633 PyObject *res;
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4634 static PyObject *delitem_str, *setitem_str;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4635
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4636 if (value == NULL)
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4637 res = call_method(self, "__delitem__", &delitem_str,
37881
702d85d9418a Merge trunk up to 45598.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
4638 "(n)", index);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4639 else
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4640 res = call_method(self, "__setitem__", &setitem_str,
37881
702d85d9418a Merge trunk up to 45598.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
4641 "(nO)", index, value);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4642 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4643 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4644 Py_DECREF(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4645 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4646 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4647
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4648 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4649 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
4650 {
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4651 PyObject *func, *res, *args;
28390
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
4652 int result = -1;
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
4653
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
4654 static PyObject *contains_str;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
4655
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4656 func = lookup_maybe(self, "__contains__", &contains_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4657 if (func != NULL) {
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
4658 args = PyTuple_Pack(1, value);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4659 if (args == NULL)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4660 res = NULL;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4661 else {
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4662 res = PyObject_Call(func, args, NULL);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4663 Py_DECREF(args);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4664 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4665 Py_DECREF(func);
28390
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
4666 if (res != NULL) {
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
4667 result = PyObject_IsTrue(res);
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
4668 Py_DECREF(res);
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
4669 }
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
4670 }
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
4671 else if (! PyErr_Occurred()) {
36866
9eb24f92a784 Change int to Py_ssize_t in several places.
Martin v. Löwis <martin@v.loewis.de>
parents: 36675
diff changeset
4672 /* Possible results: -1 and 1 */
9eb24f92a784 Change int to Py_ssize_t in several places.
Martin v. Löwis <martin@v.loewis.de>
parents: 36675
diff changeset
4673 result = (int)_PySequence_IterSearch(self, value,
28390
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
4674 PY_ITERSEARCH_CONTAINS);
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
4675 }
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
4676 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4677 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4678
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4679 #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
4680
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4681 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
4682
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4683 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4684 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
4685 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4686 PyObject *res;
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4687 static PyObject *delitem_str, *setitem_str;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4688
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4689 if (value == NULL)
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4690 res = call_method(self, "__delitem__", &delitem_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4691 "(O)", key);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4692 else
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4693 res = call_method(self, "__setitem__", &setitem_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4694 "(OO)", key, value);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4695 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4696 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4697 Py_DECREF(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4698 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4699 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4700
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4701 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
4702 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
4703 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
4704 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
4705 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
4706
24280
1598a1e473e2 staticforward bites the dust.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 24250
diff changeset
4707 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
4708
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4709 SLOT1BINFULL(slot_nb_power_binary, slot_nb_power,
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4710 nb_power, "__pow__", "__rpow__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4711
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4712 static PyObject *
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4713 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
4714 {
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4715 static PyObject *pow_str;
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
4716
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4717 if (modulus == Py_None)
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4718 return slot_nb_power_binary(self, other);
23753
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
4719 /* Three-arg power doesn't use __rpow__. But ternary_op
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
4720 can call this when the second argument's type uses
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
4721 slot_nb_power, so check before calling self.__pow__. */
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4722 if (Py_TYPE(self)->tp_as_number != NULL &&
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4723 Py_TYPE(self)->tp_as_number->nb_power == slot_nb_power) {
23753
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
4724 return call_method(self, "__pow__", &pow_str,
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
4725 "(OO)", other, modulus);
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
4726 }
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
4727 Py_INCREF(Py_NotImplemented);
41097e92f560 Three's a charm: yet another fix for SF bug 551412. Thinking again
Guido van Rossum <guido@python.org>
parents: 23666
diff changeset
4728 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
4729 }
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4730
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4731 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
4732 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
4733 SLOT0(slot_nb_absolute, "__abs__")
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4734
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4735 static int
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4736 slot_nb_bool(PyObject *self)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4737 {
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4738 PyObject *func, *args;
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4739 static PyObject *bool_str, *len_str;
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4740 int result = -1;
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4741 int from_len = 0;
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4742
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4743 func = lookup_maybe(self, "__bool__", &bool_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4744 if (func == NULL) {
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4745 if (PyErr_Occurred())
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4746 return -1;
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4747 func = lookup_maybe(self, "__len__", &len_str);
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4748 if (func == NULL)
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4749 return PyErr_Occurred() ? -1 : 1;
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4750 from_len = 1;
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4751 }
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4752 args = PyTuple_New(0);
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4753 if (args != NULL) {
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4754 PyObject *temp = PyObject_Call(func, args, NULL);
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4755 Py_DECREF(args);
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4756 if (temp != NULL) {
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4757 if (from_len) {
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4758 /* enforced by slot_nb_len */
29607
60b53db14aa3 Check return type of __nonzero__() method.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29442
diff changeset
4759 result = PyObject_IsTrue(temp);
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4760 }
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4761 else if (PyBool_Check(temp)) {
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4762 result = PyObject_IsTrue(temp);
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4763 }
29607
60b53db14aa3 Check return type of __nonzero__() method.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29442
diff changeset
4764 else {
60b53db14aa3 Check return type of __nonzero__() method.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29442
diff changeset
4765 PyErr_Format(PyExc_TypeError,
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4766 "__bool__ should return "
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
4767 "bool, returned %s",
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4768 Py_TYPE(temp)->tp_name);
29611
cac855387b56 Require that __nonzero__() return a bool or exactly an int.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29607
diff changeset
4769 result = -1;
29607
60b53db14aa3 Check return type of __nonzero__() method.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 29442
diff changeset
4770 }
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4771 Py_DECREF(temp);
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4772 }
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4773 }
20204
8e6f604b0799 Miscellaneous code fiddling:
Guido van Rossum <guido@python.org>
parents: 20197
diff changeset
4774 Py_DECREF(func);
26575
93b5ca9423eb slot_nb_nonzero(): Another leak uncovered by the sandbox datetime
Tim Peters <tim.peters@gmail.com>
parents: 26559
diff changeset
4775 return result;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4776 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4777
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4778
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39603
diff changeset
4779 static PyObject *
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4780 slot_nb_index(PyObject *self)
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4781 {
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4782 static PyObject *index_str;
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39603
diff changeset
4783 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
4784 }
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4785
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
4786
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4787 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
4788 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
4789 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
4790 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
4791 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
4792 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
4793
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4794 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
4795 SLOT0(slot_nb_long, "__long__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4796 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
4797 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
4798 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
4799 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
4800 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
4801 /* Can't use SLOT1 here, because nb_inplace_power is ternary */
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40809
diff changeset
4802 static PyObject *
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40809
diff changeset
4803 slot_nb_inplace_power(PyObject *self, PyObject * arg1, PyObject *arg2)
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40809
diff changeset
4804 {
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40809
diff changeset
4805 static PyObject *cache_str;
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40809
diff changeset
4806 return call_method(self, "__ipow__", &cache_str, "(" "O" ")", arg1);
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40809
diff changeset
4807 }
19082
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4808 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
4809 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
4810 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
4811 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
4812 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
4813 SLOT1BIN(slot_nb_floor_divide, nb_floor_divide,
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4814 "__floordiv__", "__rfloordiv__")
88d124c74766 Proper support for binary operators, including true division and floor
Guido van Rossum <guido@python.org>
parents: 19070
diff changeset
4815 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
4816 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
4817 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
4818
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4819 static int
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4820 half_compare(PyObject *self, PyObject *other)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4821 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4822 PyObject *func, *args, *res;
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
4823 static PyObject *cmp_str;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
4824 Py_ssize_t c;
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4825
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
4826 func = lookup_method(self, "__cmp__", &cmp_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4827 if (func == NULL) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4828 PyErr_Clear();
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4829 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4830 else {
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
4831 args = PyTuple_Pack(1, other);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4832 if (args == NULL)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4833 res = NULL;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4834 else {
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
4835 res = PyObject_Call(func, args, NULL);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4836 Py_DECREF(args);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4837 }
23967
1a8096bb4c48 Fix SF bug 572567: Memory leak in object comparison.
Raymond Hettinger <python@rcn.com>
parents: 23950
diff changeset
4838 Py_DECREF(func);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4839 if (res != Py_NotImplemented) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4840 if (res == NULL)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4841 return -2;
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 44098
diff changeset
4842 c = PyLong_AsLong(res);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4843 Py_DECREF(res);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4844 if (c == -1 && PyErr_Occurred())
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4845 return -2;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4846 return (c < 0) ? -1 : (c > 0) ? 1 : 0;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4847 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4848 Py_DECREF(res);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4849 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4850 return 2;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4851 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4852
19970
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19964
diff changeset
4853 /* This slot is published for the benefit of try_3way_compare in object.c */
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19964
diff changeset
4854 int
f761cab28c1c Hopefully fix 3-way comparisons. This unfortunately adds yet another
Guido van Rossum <guido@python.org>
parents: 19964
diff changeset
4855 _PyObject_SlotCompare(PyObject *self, PyObject *other)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4856 {
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4857 int c;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4858
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4859 if (Py_TYPE(self)->tp_compare == _PyObject_SlotCompare) {
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4860 c = half_compare(self, other);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4861 if (c <= 1)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4862 return c;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4863 }
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4864 if (Py_TYPE(other)->tp_compare == _PyObject_SlotCompare) {
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4865 c = half_compare(other, self);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4866 if (c < -1)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4867 return -2;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4868 if (c <= 1)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4869 return -c;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4870 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4871 return (void *)self < (void *)other ? -1 :
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4872 (void *)self > (void *)other ? 1 : 0;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4873 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4874
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4875 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4876 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
4877 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4878 PyObject *func, *res;
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
4879 static PyObject *repr_str;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
4880
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
4881 func = lookup_method(self, "__repr__", &repr_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4882 if (func != NULL) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4883 res = PyEval_CallObject(func, NULL);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4884 Py_DECREF(func);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4885 return res;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4886 }
19476
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing
Barry Warsaw <barry@python.org>
parents: 19469
diff changeset
4887 PyErr_Clear();
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
4888 return PyUnicode_FromFormat("<%s object at %p>",
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4889 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
4890 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4891
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4892 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4893 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
4894 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4895 PyObject *func, *res;
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
4896 static PyObject *str_str;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
4897
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
4898 func = lookup_method(self, "__str__", &str_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4899 if (func != NULL) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4900 res = PyEval_CallObject(func, NULL);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4901 Py_DECREF(func);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4902 return res;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4903 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4904 else {
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
4905 PyObject *ress;
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4906 PyErr_Clear();
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
4907 res = slot_tp_repr(self);
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
4908 if (!res)
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
4909 return NULL;
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
4910 ress = _PyUnicode_AsDefaultEncodedString(res, NULL);
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
4911 Py_DECREF(res);
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
4912 return ress;
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4913 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4914 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4915
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4916 static long
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4917 slot_tp_hash(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4918 {
39548
67e45704c07e Fix non-C89-compatible syntax.
Guido van Rossum <guido@python.org>
parents: 39536
diff changeset
4919 PyObject *func, *res;
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4920 static PyObject *hash_str;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4921 long h;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4922
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
4923 func = lookup_method(self, "__hash__", &hash_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4924
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4925 if (func == Py_None) {
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
4926 Py_DECREF(func);
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4927 func = NULL;
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4928 }
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4929
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4930 if (func == NULL) {
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4931 PyErr_Format(PyExc_TypeError, "unhashable type: '%.200s'",
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4932 Py_TYPE(self)->tp_name);
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4933 return -1;
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4934 }
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4935
39548
67e45704c07e Fix non-C89-compatible syntax.
Guido van Rossum <guido@python.org>
parents: 39536
diff changeset
4936 res = PyEval_CallObject(func, NULL);
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4937 Py_DECREF(func);
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4938 if (res == NULL)
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4939 return -1;
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4940 if (PyLong_Check(res))
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4941 h = PyLong_Type.tp_hash(res);
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4942 else
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 44098
diff changeset
4943 h = PyLong_AsLong(res);
39536
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4944 Py_DECREF(res);
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4945 if (h == -1 && !PyErr_Occurred())
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4946 h = -2;
8f5b9982beba Completely get rid of PyClass and PyInstance.
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
4947 return h;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4948 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4949
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4950 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4951 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
4952 {
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
4953 static PyObject *call_str;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
4954 PyObject *meth = lookup_method(self, "__call__", &call_str);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4955 PyObject *res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4956
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4957 if (meth == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4958 return NULL;
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
4959
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4960 res = PyObject_Call(meth, args, kwds);
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
4961
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4962 Py_DECREF(meth);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4963 return res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4964 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4965
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
4966 /* 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
4967
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
4968 - 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
4969 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
4970
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
4971 - 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
4972
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
4973 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
4974 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
4975 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
4976
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4977 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4978 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
4979 {
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
4980 static PyObject *getattribute_str = NULL;
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
4981 return call_method(self, "__getattribute__", &getattribute_str,
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
4982 "(O)", name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4983 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
4984
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4985 static PyObject *
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4986 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
4987 {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
4988 PyTypeObject *tp = Py_TYPE(self);
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4989 PyObject *getattr, *getattribute, *res;
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4990 static PyObject *getattribute_str = NULL;
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4991 static PyObject *getattr_str = NULL;
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4992
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4993 if (getattr_str == NULL) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
4994 getattr_str = PyUnicode_InternFromString("__getattr__");
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4995 if (getattr_str == NULL)
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4996 return NULL;
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4997 }
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4998 if (getattribute_str == NULL) {
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
4999 getattribute_str =
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
5000 PyUnicode_InternFromString("__getattribute__");
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5001 if (getattribute_str == NULL)
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5002 return NULL;
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5003 }
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5004 getattr = _PyType_Lookup(tp, getattr_str);
20499
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5005 if (getattr == NULL) {
20423
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5006 /* No __getattr__ hook: use a simpler dispatcher */
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5007 tp->tp_getattro = slot_tp_getattro;
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5008 return slot_tp_getattro(self, name);
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5009 }
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5010 getattribute = _PyType_Lookup(tp, getattribute_str);
20499
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5011 if (getattribute == NULL ||
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
5012 (Py_TYPE(getattribute) == &PyWrapperDescr_Type &&
20499
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5013 ((PyWrapperDescrObject *)getattribute)->d_wrapped ==
a0c8c2e5a44d Remove a bunch of stuff that's no longer needed now that update_slot()
Guido van Rossum <guido@python.org>
parents: 20489
diff changeset
5014 (void *)PyObject_GenericGetAttr))
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5015 res = PyObject_GenericGetAttr(self, name);
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5016 else
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37881
diff changeset
5017 res = PyObject_CallFunctionObjArgs(getattribute, self, name, NULL);
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
5018 if (res == NULL && PyErr_ExceptionMatches(PyExc_AttributeError)) {
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5019 PyErr_Clear();
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37881
diff changeset
5020 res = PyObject_CallFunctionObjArgs(getattr, self, name, NULL);
20028
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5021 }
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5022 return res;
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5023 }
df1b83fd0ebb Add the __getattr__ hook back. The rules are now:
Guido van Rossum <guido@python.org>
parents: 20021
diff changeset
5024
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5025 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5026 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
5027 {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5028 PyObject *res;
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5029 static PyObject *delattr_str, *setattr_str;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5030
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5031 if (value == NULL)
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5032 res = call_method(self, "__delattr__", &delattr_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5033 "(O)", name);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5034 else
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5035 res = call_method(self, "__setattr__", &setattr_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5036 "(OO)", name, value);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5037 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5038 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5039 Py_DECREF(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5040 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5041 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5042
44407
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5043 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
5044 "__lt__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5045 "__le__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5046 "__eq__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5047 "__ne__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5048 "__gt__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5049 "__ge__",
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5050 };
dda29e712815 Merge changes from 59576 from trunk to p3yk branch; these were skipped
Guido van Rossum <guido@python.org>
parents: 44351
diff changeset
5051
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5052 static PyObject *
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5053 half_richcompare(PyObject *self, PyObject *other, int op)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5054 {
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5055 PyObject *func, *args, *res;
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5056 static PyObject *op_str[6];
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5057
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5058 func = lookup_method(self, name_op[op], &op_str[op]);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5059 if (func == NULL) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5060 PyErr_Clear();
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5061 Py_INCREF(Py_NotImplemented);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5062 return Py_NotImplemented;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5063 }
30683
3b59fa5d25b1 Simplify and speedup uses of Py_BuildValue():
Raymond Hettinger <python@rcn.com>
parents: 30671
diff changeset
5064 args = PyTuple_Pack(1, other);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5065 if (args == NULL)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5066 res = NULL;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5067 else {
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5068 res = PyObject_Call(func, args, NULL);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5069 Py_DECREF(args);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5070 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5071 Py_DECREF(func);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5072 return res;
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
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5075 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5076 slot_tp_richcompare(PyObject *self, PyObject *other, int op)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5077 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5078 PyObject *res;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5079
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
5080 if (Py_TYPE(self)->tp_richcompare == slot_tp_richcompare) {
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5081 res = half_richcompare(self, other, op);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5082 if (res != Py_NotImplemented)
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5083 return res;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5084 Py_DECREF(res);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5085 }
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
5086 if (Py_TYPE(other)->tp_richcompare == slot_tp_richcompare) {
33541
781aef974463 A static swapped_op[] array was defined in 3 different C files, & I think
Tim Peters <tim.peters@gmail.com>
parents: 33174
diff changeset
5087 res = half_richcompare(other, self, _Py_SwappedOp[op]);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5088 if (res != Py_NotImplemented) {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5089 return res;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5090 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5091 Py_DECREF(res);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5092 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5093 Py_INCREF(Py_NotImplemented);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5094 return Py_NotImplemented;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5095 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5096
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5097 static PyObject *
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5098 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
5099 {
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5100 PyObject *func, *res;
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5101 static PyObject *iter_str, *getitem_str;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5102
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5103 func = lookup_method(self, "__iter__", &iter_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5104 if (func != NULL) {
24867
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5105 PyObject *args;
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5106 args = res = PyTuple_New(0);
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5107 if (args != NULL) {
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5108 res = PyObject_Call(func, args, NULL);
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5109 Py_DECREF(args);
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5110 }
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5111 Py_DECREF(func);
255d1d3e66a3 Squash a few calls to the hideously expensive PyObject_CallObject(o,a)
Guido van Rossum <guido@python.org>
parents: 24862
diff changeset
5112 return res;
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5113 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5114 PyErr_Clear();
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5115 func = lookup_method(self, "__getitem__", &getitem_str);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5116 if (func == NULL) {
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
5117 PyErr_Format(PyExc_TypeError,
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
5118 "'%.200s' object is not iterable",
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
5119 Py_TYPE(self)->tp_name);
19289
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5120 return NULL;
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5121 }
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5122 Py_DECREF(func);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5123 return PySeqIter_New(self);
5c2bf6cde123 - Another big step in the right direction. All the overridable
Guido van Rossum <guido@python.org>
parents: 19253
diff changeset
5124 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5125
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5126 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5127 slot_tp_iternext(PyObject *self)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5128 {
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5129 static PyObject *next_str;
41501
0c5019afc55b PEP 3114: rename .next() to .__next__() and add next() builtin.
Georg Brandl <georg@python.org>
parents: 41324
diff changeset
5130 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
5131 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5132
19339
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5133 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
5134 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
5135 {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
5136 PyTypeObject *tp = Py_TYPE(self);
19339
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5137 PyObject *get;
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5138 static PyObject *get_str = NULL;
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5139
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5140 if (get_str == NULL) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
5141 get_str = PyUnicode_InternFromString("__get__");
19339
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5142 if (get_str == NULL)
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5143 return NULL;
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5144 }
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5145 get = _PyType_Lookup(tp, get_str);
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5146 if (get == NULL) {
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5147 /* Avoid further slowdowns */
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5148 if (tp->tp_descr_get == slot_tp_descr_get)
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5149 tp->tp_descr_get = NULL;
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5150 Py_INCREF(self);
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5151 return self;
6130deeb4cc6 type_new(): look for __dynamic__ at the module level (after looking in
Guido van Rossum <guido@python.org>
parents: 19329
diff changeset
5152 }
19464
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5153 if (obj == NULL)
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5154 obj = Py_None;
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5155 if (type == NULL)
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5156 type = Py_None;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37881
diff changeset
5157 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
5158 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5159
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5160 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5161 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
5162 {
19464
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5163 PyObject *res;
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5164 static PyObject *del_str, *set_str;
19464
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5165
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5166 if (value == NULL)
21142
842b280421ba Fix for SF bug #485678.
Guido van Rossum <guido@python.org>
parents: 20978
diff changeset
5167 res = call_method(self, "__delete__", &del_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5168 "(O)", target);
19464
45d0e114212e slot_tp_descr_get(): guard against NULL obj or type (bug reported by
Guido van Rossum <guido@python.org>
parents: 19429
diff changeset
5169 else
19538
b4a3fc147929 Finish the previous checkin: also avoid getattr when calling the method
Guido van Rossum <guido@python.org>
parents: 19535
diff changeset
5170 res = call_method(self, "__set__", &set_str,
19911
cba449ab5915 call_method():
Guido van Rossum <guido@python.org>
parents: 19898
diff changeset
5171 "(OO)", target, value);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5172 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5173 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5174 Py_DECREF(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5175 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5176 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5177
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5178 static int
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5179 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
5180 {
19535
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5181 static PyObject *init_str;
9753608e2d57 Change in policy: when a slot_tp_xxx function looks for the __xxx__ method,
Guido van Rossum <guido@python.org>
parents: 19476
diff changeset
5182 PyObject *meth = lookup_method(self, "__init__", &init_str);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5183 PyObject *res;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5184
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5185 if (meth == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5186 return -1;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5187 res = PyObject_Call(meth, args, kwds);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5188 Py_DECREF(meth);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5189 if (res == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5190 return -1;
34668
9b3a2c4302aa SF bug #1155938: Missing None check for __init__().
Raymond Hettinger <python@rcn.com>
parents: 33541
diff changeset
5191 if (res != Py_None) {
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
5192 PyErr_Format(PyExc_TypeError,
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 39222
diff changeset
5193 "__init__() should return None, not '%.200s'",
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
5194 Py_TYPE(res)->tp_name);
34668
9b3a2c4302aa SF bug #1155938: Missing None check for __init__().
Raymond Hettinger <python@rcn.com>
parents: 33541
diff changeset
5195 Py_DECREF(res);
9b3a2c4302aa SF bug #1155938: Missing None check for __init__().
Raymond Hettinger <python@rcn.com>
parents: 33541
diff changeset
5196 return -1;
9b3a2c4302aa SF bug #1155938: Missing None check for __init__().
Raymond Hettinger <python@rcn.com>
parents: 33541
diff changeset
5197 }
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5198 Py_DECREF(res);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5199 return 0;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5200 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5201
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5202 static PyObject *
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5203 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
5204 {
24680
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5205 static PyObject *new_str;
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5206 PyObject *func;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5207 PyObject *newargs, *x;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5208 Py_ssize_t i, n;
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5209
24680
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5210 if (new_str == NULL) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
5211 new_str = PyUnicode_InternFromString("__new__");
24680
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5212 if (new_str == NULL)
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5213 return NULL;
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5214 }
6d26d4b9c5a3 Significant speedup in new-style object creation: in slot_tp_new(),
Guido van Rossum <guido@python.org>
parents: 24678
diff changeset
5215 func = PyObject_GetAttr((PyObject *)type, new_str);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5216 if (func == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5217 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5218 assert(PyTuple_Check(args));
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5219 n = PyTuple_GET_SIZE(args);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5220 newargs = PyTuple_New(n+1);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5221 if (newargs == NULL)
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5222 return NULL;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5223 Py_INCREF(type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5224 PyTuple_SET_ITEM(newargs, 0, (PyObject *)type);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5225 for (i = 0; i < n; i++) {
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5226 x = PyTuple_GET_ITEM(args, i);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5227 Py_INCREF(x);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5228 PyTuple_SET_ITEM(newargs, i+1, x);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5229 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5230 x = PyObject_Call(func, newargs, kwds);
20195
3408d929bb94 slot_tp_new(): newargs was leaking.
Guido van Rossum <guido@python.org>
parents: 20190
diff changeset
5231 Py_DECREF(newargs);
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5232 Py_DECREF(func);
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5233 return x;
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5234 }
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5235
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5236 static void
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5237 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
5238 {
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5239 static PyObject *del_str = NULL;
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5240 PyObject *del, *res;
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5241 PyObject *error_type, *error_value, *error_traceback;
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5242
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5243 /* Temporarily resurrect the object. */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5244 assert(self->ob_refcnt == 0);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5245 self->ob_refcnt = 1;
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5246
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5247 /* Save the current exception, if any. */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5248 PyErr_Fetch(&error_type, &error_value, &error_traceback);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5249
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5250 /* Execute __del__ method, if any. */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5251 del = lookup_maybe(self, "__del__", &del_str);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5252 if (del != NULL) {
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5253 res = PyEval_CallObject(del, NULL);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5254 if (res == NULL)
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5255 PyErr_WriteUnraisable(del);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5256 else
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5257 Py_DECREF(res);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5258 Py_DECREF(del);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5259 }
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5260
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5261 /* Restore the saved exception. */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5262 PyErr_Restore(error_type, error_value, error_traceback);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5263
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5264 /* Undo the temporary resurrection; can't use DECREF here, it would
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5265 * cause a recursive call.
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5266 */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5267 assert(self->ob_refcnt > 0);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5268 if (--self->ob_refcnt == 0)
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5269 return; /* this is the normal path out */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5270
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5271 /* __del__ resurrected it! Make it look like the original Py_DECREF
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5272 * never happened.
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5273 */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5274 {
36866
9eb24f92a784 Change int to Py_ssize_t in several places.
Martin v. Löwis <martin@v.loewis.de>
parents: 36675
diff changeset
5275 Py_ssize_t refcnt = self->ob_refcnt;
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5276 _Py_NewReference(self);
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5277 self->ob_refcnt = refcnt;
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5278 }
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
5279 assert(!PyType_IS_GC(Py_TYPE(self)) ||
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5280 _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
32916
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 32407
diff changeset
5281 /* If Py_REF_DEBUG, _Py_NewReference bumped _Py_RefTotal, so
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 32407
diff changeset
5282 * we need to undo that. */
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 32407
diff changeset
5283 _Py_DEC_REFTOTAL;
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 32407
diff changeset
5284 /* If Py_TRACE_REFS, _Py_NewReference re-added self to the object
ff77727555ae Repair the same thinko in two places about handling of _Py_RefTotal in
Michael W. Hudson <mwh@python.net>
parents: 32407
diff changeset
5285 * chain, so no more to do there.
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5286 * If COUNT_ALLOCS, the original decref bumped tp_frees, and
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5287 * _Py_NewReference bumped tp_allocs: both of those need to be
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5288 * undone.
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5289 */
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5290 #ifdef COUNT_ALLOCS
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
5291 --Py_TYPE(self)->tp_frees;
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
5292 --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
5293 #endif
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5294 }
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5295
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5296
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5297 /* 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
5298 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
5299 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
5300 sequences and mappings.
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5301 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
5302 __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
5303 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
5304 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
5305 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
5306
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5307 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
5308
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5309 #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
5310 #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
5311 #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
5312 #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
5313 #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
5314 #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
5315 #undef UNSLOT
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5316 #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
5317 #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
5318 #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
5319
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5320 #define TPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
24789
fcbde226545c Allow docstrings to be removed during compilation for *SLOT macro and friends
Neal Norwitz <nnorwitz@gmail.com>
parents: 24785
diff changeset
5321 {NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
fcbde226545c Allow docstrings to be removed during compilation for *SLOT macro and friends
Neal Norwitz <nnorwitz@gmail.com>
parents: 24785
diff changeset
5322 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
5323 #define FLSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC, FLAGS) \
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5324 {NAME, offsetof(PyTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
24789
fcbde226545c Allow docstrings to be removed during compilation for *SLOT macro and friends
Neal Norwitz <nnorwitz@gmail.com>
parents: 24785
diff changeset
5325 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
5326 #define ETSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5327 {NAME, offsetof(PyHeapTypeObject, SLOT), (void *)(FUNCTION), WRAPPER, \
24789
fcbde226545c Allow docstrings to be removed during compilation for *SLOT macro and friends
Neal Norwitz <nnorwitz@gmail.com>
parents: 24785
diff changeset
5328 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
5329 #define SQSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5330 ETSLOT(NAME, as_sequence.SLOT, FUNCTION, WRAPPER, DOC)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5331 #define MPSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5332 ETSLOT(NAME, as_mapping.SLOT, FUNCTION, WRAPPER, DOC)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5333 #define NBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5334 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, DOC)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5335 #define UNSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5336 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5337 "x." NAME "() <==> " DOC)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5338 #define IBSLOT(NAME, SLOT, FUNCTION, WRAPPER, DOC) \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5339 ETSLOT(NAME, as_number.SLOT, FUNCTION, WRAPPER, \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5340 "x." NAME "(y) <==> x" DOC "y")
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5341 #define BINSLOT(NAME, SLOT, FUNCTION, DOC) \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5342 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5343 "x." NAME "(y) <==> x" DOC "y")
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5344 #define RBINSLOT(NAME, SLOT, FUNCTION, DOC) \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5345 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5346 "x." NAME "(y) <==> y" DOC "x")
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5347 #define BINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5348 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_l, \
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5349 "x." NAME "(y) <==> " DOC)
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5350 #define RBINSLOTNOTINFIX(NAME, SLOT, FUNCTION, DOC) \
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5351 ETSLOT(NAME, as_number.SLOT, FUNCTION, wrap_binaryfunc_r, \
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5352 "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
5353
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5354 static slotdef slotdefs[] = {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5355 SQSLOT("__len__", sq_length, slot_sq_length, wrap_lenfunc,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5356 "x.__len__() <==> len(x)"),
36150
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5357 /* Heap types defining __add__/__mul__ have sq_concat/sq_repeat == NULL.
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5358 The logic in abstract.c always falls back to nb_add/nb_multiply in
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5359 this case. Defining both the nb_* and the sq_* slots to call the
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5360 user-defined methods has unexpected side-effects, as shown by
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5361 test_descr.notimplemented() */
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5362 SQSLOT("__add__", sq_concat, NULL, wrap_binaryfunc,
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
5363 "x.__add__(y) <==> x+y"),
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
5364 SQSLOT("__mul__", sq_repeat, NULL, wrap_indexargfunc,
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
5365 "x.__mul__(n) <==> x*n"),
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
5366 SQSLOT("__rmul__", sq_repeat, NULL, wrap_indexargfunc,
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
5367 "x.__rmul__(n) <==> n*x"),
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5368 SQSLOT("__getitem__", sq_item, slot_sq_item, wrap_sq_item,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5369 "x.__getitem__(y) <==> x[y]"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5370 SQSLOT("__setitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_setitem,
29173
421ffd7c57af Fixing the previous patch to have the changes be to the proper docstrings.
Brett Cannon <bcannon@gmail.com>
parents: 29172
diff changeset
5371 "x.__setitem__(i, y) <==> x[i]=y"),
421ffd7c57af Fixing the previous patch to have the changes be to the proper docstrings.
Brett Cannon <bcannon@gmail.com>
parents: 29172
diff changeset
5372 SQSLOT("__delitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_delitem,
421ffd7c57af Fixing the previous patch to have the changes be to the proper docstrings.
Brett Cannon <bcannon@gmail.com>
parents: 29172
diff changeset
5373 "x.__delitem__(y) <==> del x[y]"),
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5374 SQSLOT("__contains__", sq_contains, slot_sq_contains, wrap_objobjproc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5375 "x.__contains__(y) <==> y in x"),
36150
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5376 SQSLOT("__iadd__", sq_inplace_concat, NULL,
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
5377 wrap_binaryfunc, "x.__iadd__(y) <==> x+=y"),
36150
2eb78f5d1450 SF patch #1390657:
Armin Rigo <arigo@tunes.org>
parents: 35999
diff changeset
5378 SQSLOT("__imul__", sq_inplace_repeat, NULL,
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
5379 wrap_indexargfunc, "x.__imul__(y) <==> x*=y"),
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5380
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5381 MPSLOT("__len__", mp_length, slot_mp_length, wrap_lenfunc,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5382 "x.__len__() <==> len(x)"),
20345
67a7a99f2d5a The slot definition table entry for mp_getitem had a bogus wrapper
Guido van Rossum <guido@python.org>
parents: 20343
diff changeset
5383 MPSLOT("__getitem__", mp_subscript, slot_mp_subscript,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5384 wrap_binaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5385 "x.__getitem__(y) <==> x[y]"),
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5386 MPSLOT("__setitem__", mp_ass_subscript, slot_mp_ass_subscript,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5387 wrap_objobjargproc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5388 "x.__setitem__(i, y) <==> x[i]=y"),
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5389 MPSLOT("__delitem__", mp_ass_subscript, slot_mp_ass_subscript,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5390 wrap_delitem,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5391 "x.__delitem__(y) <==> del x[y]"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5392
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5393 BINSLOT("__add__", nb_add, slot_nb_add,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5394 "+"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5395 RBINSLOT("__radd__", nb_add, slot_nb_add,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5396 "+"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5397 BINSLOT("__sub__", nb_subtract, slot_nb_subtract,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5398 "-"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5399 RBINSLOT("__rsub__", nb_subtract, slot_nb_subtract,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5400 "-"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5401 BINSLOT("__mul__", nb_multiply, slot_nb_multiply,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5402 "*"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5403 RBINSLOT("__rmul__", nb_multiply, slot_nb_multiply,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5404 "*"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5405 BINSLOT("__mod__", nb_remainder, slot_nb_remainder,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5406 "%"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5407 RBINSLOT("__rmod__", nb_remainder, slot_nb_remainder,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5408 "%"),
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5409 BINSLOTNOTINFIX("__divmod__", nb_divmod, slot_nb_divmod,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5410 "divmod(x, y)"),
35004
8880d91cdb09 fix object.__divmod__.__doc__
Anthony Baxter <anthonybaxter@gmail.com>
parents: 34958
diff changeset
5411 RBINSLOTNOTINFIX("__rdivmod__", nb_divmod, slot_nb_divmod,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5412 "divmod(y, x)"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5413 NBSLOT("__pow__", nb_power, slot_nb_power, wrap_ternaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5414 "x.__pow__(y[, z]) <==> pow(x, y[, z])"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5415 NBSLOT("__rpow__", nb_power, slot_nb_power, wrap_ternaryfunc_r,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5416 "y.__rpow__(x[, z]) <==> pow(x, y[, z])"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5417 UNSLOT("__neg__", nb_negative, slot_nb_negative, wrap_unaryfunc, "-x"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5418 UNSLOT("__pos__", nb_positive, slot_nb_positive, wrap_unaryfunc, "+x"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5419 UNSLOT("__abs__", nb_absolute, slot_nb_absolute, wrap_unaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5420 "abs(x)"),
40401
88133417dfd0 - patch #1600346 submitted by Tomer Filiba
Jack Diederich <jackdied@gmail.com>
parents: 39703
diff changeset
5421 UNSLOT("__bool__", nb_bool, slot_nb_bool, wrap_inquirypred,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5422 "x != 0"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5423 UNSLOT("__invert__", nb_invert, slot_nb_invert, wrap_unaryfunc, "~x"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5424 BINSLOT("__lshift__", nb_lshift, slot_nb_lshift, "<<"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5425 RBINSLOT("__rlshift__", nb_lshift, slot_nb_lshift, "<<"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5426 BINSLOT("__rshift__", nb_rshift, slot_nb_rshift, ">>"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5427 RBINSLOT("__rrshift__", nb_rshift, slot_nb_rshift, ">>"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5428 BINSLOT("__and__", nb_and, slot_nb_and, "&"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5429 RBINSLOT("__rand__", nb_and, slot_nb_and, "&"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5430 BINSLOT("__xor__", nb_xor, slot_nb_xor, "^"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5431 RBINSLOT("__rxor__", nb_xor, slot_nb_xor, "^"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5432 BINSLOT("__or__", nb_or, slot_nb_or, "|"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5433 RBINSLOT("__ror__", nb_or, slot_nb_or, "|"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5434 UNSLOT("__int__", nb_int, slot_nb_int, wrap_unaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5435 "int(x)"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5436 UNSLOT("__long__", nb_long, slot_nb_long, wrap_unaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5437 "long(x)"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5438 UNSLOT("__float__", nb_float, slot_nb_float, wrap_unaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5439 "float(x)"),
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39603
diff changeset
5440 NBSLOT("__index__", nb_index, slot_nb_index, wrap_unaryfunc,
36882
6a9c7165b17b Checking in the code for PEP 357.
Guido van Rossum <guido@python.org>
parents: 36866
diff changeset
5441 "x[y:z] <==> x[y.__index__():z.__index__()]"),
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5442 IBSLOT("__iadd__", nb_inplace_add, slot_nb_inplace_add,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5443 wrap_binaryfunc, "+"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5444 IBSLOT("__isub__", nb_inplace_subtract, slot_nb_inplace_subtract,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5445 wrap_binaryfunc, "-"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5446 IBSLOT("__imul__", nb_inplace_multiply, slot_nb_inplace_multiply,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5447 wrap_binaryfunc, "*"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5448 IBSLOT("__imod__", nb_inplace_remainder, slot_nb_inplace_remainder,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5449 wrap_binaryfunc, "%"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5450 IBSLOT("__ipow__", nb_inplace_power, slot_nb_inplace_power,
25794
001b789f1f84 For some reason (probably cut and paste), __ipow__ for new-style
Guido van Rossum <guido@python.org>
parents: 25793
diff changeset
5451 wrap_binaryfunc, "**"),
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5452 IBSLOT("__ilshift__", nb_inplace_lshift, slot_nb_inplace_lshift,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5453 wrap_binaryfunc, "<<"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5454 IBSLOT("__irshift__", nb_inplace_rshift, slot_nb_inplace_rshift,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5455 wrap_binaryfunc, ">>"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5456 IBSLOT("__iand__", nb_inplace_and, slot_nb_inplace_and,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5457 wrap_binaryfunc, "&"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5458 IBSLOT("__ixor__", nb_inplace_xor, slot_nb_inplace_xor,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5459 wrap_binaryfunc, "^"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5460 IBSLOT("__ior__", nb_inplace_or, slot_nb_inplace_or,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5461 wrap_binaryfunc, "|"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5462 BINSLOT("__floordiv__", nb_floor_divide, slot_nb_floor_divide, "//"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5463 RBINSLOT("__rfloordiv__", nb_floor_divide, slot_nb_floor_divide, "//"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5464 BINSLOT("__truediv__", nb_true_divide, slot_nb_true_divide, "/"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5465 RBINSLOT("__rtruediv__", nb_true_divide, slot_nb_true_divide, "/"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5466 IBSLOT("__ifloordiv__", nb_inplace_floor_divide,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5467 slot_nb_inplace_floor_divide, wrap_binaryfunc, "//"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5468 IBSLOT("__itruediv__", nb_inplace_true_divide,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5469 slot_nb_inplace_true_divide, wrap_binaryfunc, "/"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5470
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5471 TPSLOT("__str__", tp_str, slot_tp_str, wrap_unaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5472 "x.__str__() <==> str(x)"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5473 TPSLOT("__repr__", tp_repr, slot_tp_repr, wrap_unaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5474 "x.__repr__() <==> repr(x)"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5475 TPSLOT("__cmp__", tp_compare, _PyObject_SlotCompare, wrap_cmpfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5476 "x.__cmp__(y) <==> cmp(x,y)"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5477 TPSLOT("__hash__", tp_hash, slot_tp_hash, wrap_hashfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5478 "x.__hash__() <==> hash(x)"),
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5479 FLSLOT("__call__", tp_call, slot_tp_call, (wrapperfunc)wrap_call,
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5480 "x.__call__(...) <==> x(...)", PyWrapperFlag_KEYWORDS),
20423
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5481 TPSLOT("__getattribute__", tp_getattro, slot_tp_getattr_hook,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5482 wrap_binaryfunc, "x.__getattribute__('name') <==> x.name"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5483 TPSLOT("__getattribute__", tp_getattr, NULL, NULL, ""),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5484 TPSLOT("__getattr__", tp_getattro, slot_tp_getattr_hook, NULL, ""),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5485 TPSLOT("__getattr__", tp_getattr, NULL, NULL, ""),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5486 TPSLOT("__setattr__", tp_setattro, slot_tp_setattro, wrap_setattr,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5487 "x.__setattr__('name', value) <==> x.name = value"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5488 TPSLOT("__setattr__", tp_setattr, NULL, NULL, ""),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5489 TPSLOT("__delattr__", tp_setattro, slot_tp_setattro, wrap_delattr,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5490 "x.__delattr__('name') <==> del x.name"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5491 TPSLOT("__delattr__", tp_setattr, NULL, NULL, ""),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5492 TPSLOT("__lt__", tp_richcompare, slot_tp_richcompare, richcmp_lt,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5493 "x.__lt__(y) <==> x<y"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5494 TPSLOT("__le__", tp_richcompare, slot_tp_richcompare, richcmp_le,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5495 "x.__le__(y) <==> x<=y"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5496 TPSLOT("__eq__", tp_richcompare, slot_tp_richcompare, richcmp_eq,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5497 "x.__eq__(y) <==> x==y"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5498 TPSLOT("__ne__", tp_richcompare, slot_tp_richcompare, richcmp_ne,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5499 "x.__ne__(y) <==> x!=y"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5500 TPSLOT("__gt__", tp_richcompare, slot_tp_richcompare, richcmp_gt,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5501 "x.__gt__(y) <==> x>y"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5502 TPSLOT("__ge__", tp_richcompare, slot_tp_richcompare, richcmp_ge,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5503 "x.__ge__(y) <==> x>=y"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5504 TPSLOT("__iter__", tp_iter, slot_tp_iter, wrap_unaryfunc,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5505 "x.__iter__() <==> iter(x)"),
41501
0c5019afc55b PEP 3114: rename .next() to .__next__() and add next() builtin.
Georg Brandl <georg@python.org>
parents: 41324
diff changeset
5506 TPSLOT("__next__", tp_iternext, slot_tp_iternext, wrap_next,
0c5019afc55b PEP 3114: rename .next() to .__next__() and add next() builtin.
Georg Brandl <georg@python.org>
parents: 41324
diff changeset
5507 "x.__next__() <==> next(x)"),
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5508 TPSLOT("__get__", tp_descr_get, slot_tp_descr_get, wrap_descr_get,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5509 "descr.__get__(obj[, type]) -> value"),
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5510 TPSLOT("__set__", tp_descr_set, slot_tp_descr_set, wrap_descr_set,
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5511 "descr.__set__(obj, value)"),
24460
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
5512 TPSLOT("__delete__", tp_descr_set, slot_tp_descr_set,
2d77be41ee5f SF patch 588728 (Nathan Srebro).
Guido van Rossum <guido@python.org>
parents: 24427
diff changeset
5513 wrap_descr_delete, "descr.__delete__(obj)"),
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5514 FLSLOT("__init__", tp_init, slot_tp_init, (wrapperfunc)wrap_init,
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5515 "x.__init__(...) initializes x; "
20599
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5516 "see x.__class__.__doc__ for signature",
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5517 PyWrapperFlag_KEYWORDS),
ff57a1a370b3 Methods of built-in types now properly check for keyword arguments
Guido van Rossum <guido@python.org>
parents: 20595
diff changeset
5518 TPSLOT("__new__", tp_new, slot_tp_new, NULL, ""),
24678
71dca7c76fa2 A modest speedup of object deallocation. call_finalizer() did rather
Guido van Rossum <guido@python.org>
parents: 24653
diff changeset
5519 TPSLOT("__del__", tp_del, slot_tp_del, NULL, ""),
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5520 {NULL}
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5521 };
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5522
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5523 /* Given a type pointer and an offset gotten from a slotdef entry, return a
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
5524 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
5525 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
5526 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
5527 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
5528 static void **
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5529 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
5530 {
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5531 char *ptr;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5532 long offset = ioffset;
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5533
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5534 /* Note: this depends on the order of the members of PyHeapTypeObject! */
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5535 assert(offset >= 0);
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
5536 assert((size_t)offset < offsetof(PyHeapTypeObject, as_buffer));
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
5537 if ((size_t)offset >= offsetof(PyHeapTypeObject, as_sequence)) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
5538 ptr = (char *)type->tp_as_sequence;
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5539 offset -= offsetof(PyHeapTypeObject, as_sequence);
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5540 }
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
5541 else if ((size_t)offset >= offsetof(PyHeapTypeObject, as_mapping)) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
5542 ptr = (char *)type->tp_as_mapping;
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5543 offset -= offsetof(PyHeapTypeObject, as_mapping);
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5544 }
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
5545 else if ((size_t)offset >= offsetof(PyHeapTypeObject, as_number)) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
5546 ptr = (char *)type->tp_as_number;
28219
7c8e8807aed2 - The extended type structure used for heap types (new-style
Guido van Rossum <guido@python.org>
parents: 28016
diff changeset
5547 offset -= offsetof(PyHeapTypeObject, as_number);
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5548 }
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5549 else {
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
5550 ptr = (char *)type;
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5551 }
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5552 if (ptr != NULL)
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5553 ptr += offset;
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5554 return (void **)ptr;
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5555 }
19036
3a7d67ee1011 Cosmetics:
Guido van Rossum <guido@python.org>
parents: 19011
diff changeset
5556
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5557 /* 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
5558 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
5559 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
5560 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
5561 #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
5562
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5563 /* 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
5564 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
5565 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
5566 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
5567 {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5568 /* XXX Maybe this could be optimized more -- but is it worth it? */
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5569
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5570 /* pname and ptrs act as a little cache */
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5571 static PyObject *pname;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5572 static slotdef *ptrs[MAX_EQUIV];
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5573 slotdef *p, **pp;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5574 void **res, **ptr;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5575
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5576 if (pname != name) {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5577 /* Collect all slotdefs that match name into ptrs. */
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5578 pname = name;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5579 pp = ptrs;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5580 for (p = slotdefs; p->name_strobj; p++) {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5581 if (p->name_strobj == name)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5582 *pp++ = p;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5583 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5584 *pp = NULL;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5585 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5586
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5587 /* Look in all matching slots of the type; if exactly one of these has
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
5588 a filled-in slot, return its value. Otherwise return NULL. */
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5589 res = NULL;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5590 for (pp = ptrs; *pp; pp++) {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5591 ptr = slotptr(type, (*pp)->offset);
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5592 if (ptr == NULL || *ptr == NULL)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5593 continue;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5594 if (res != NULL)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5595 return NULL;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5596 res = ptr;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5597 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5598 return res;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5599 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5600
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5601 /* 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
5602 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
5603 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
5604 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
5605 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
5606 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
5607 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
5608 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
5609 {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5610 PyObject *descr;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5611 PyWrapperDescrObject *d;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5612 void *generic = NULL, *specific = NULL;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5613 int use_generic = 0;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5614 int offset = p->offset;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5615 void **ptr = slotptr(type, offset);
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5616
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5617 if (ptr == NULL) {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5618 do {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5619 ++p;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5620 } while (p->offset == offset);
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5621 return p;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5622 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5623 do {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5624 descr = _PyType_Lookup(type, p->name_strobj);
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5625 if (descr == NULL)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5626 continue;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
5627 if (Py_TYPE(descr) == &PyWrapperDescr_Type) {
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5628 void **tptr = resolve_slotdups(type, p->name_strobj);
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5629 if (tptr == NULL || tptr == ptr)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5630 generic = p->function;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5631 d = (PyWrapperDescrObject *)descr;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5632 if (d->d_base->wrapper == p->wrapper &&
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5633 PyType_IsSubtype(type, d->d_type))
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5634 {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5635 if (specific == NULL ||
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5636 specific == d->d_wrapped)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5637 specific = d->d_wrapped;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5638 else
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5639 use_generic = 1;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5640 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5641 }
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
5642 else if (Py_TYPE(descr) == &PyCFunction_Type &&
24685
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5643 PyCFunction_GET_FUNCTION(descr) ==
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5644 (PyCFunction)tp_new_wrapper &&
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5645 strcmp(p->name, "__new__") == 0)
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5646 {
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5647 /* The __new__ wrapper is not a wrapper descriptor,
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5648 so must be special-cased differently.
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5649 If we don't do this, creating an instance will
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5650 always use slot_tp_new which will look up
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5651 __new__ in the MRO which will call tp_new_wrapper
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5652 which will look through the base classes looking
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5653 for a static base and call its tp_new (usually
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5654 PyType_GenericNew), after performing various
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5655 sanity checks and constructing a new argument
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5656 list. Cut all that nonsense short -- this speeds
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5657 up instance creation tremendously. */
29066
90342f395721 Patch #734231: Update RiscOS support. In particular, correct
Martin v. Löwis <martin@v.loewis.de>
parents: 28737
diff changeset
5658 specific = (void *)type->tp_new;
24685
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5659 /* XXX I'm not 100% sure that there isn't a hole
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5660 in this reasoning that requires additional
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5661 sanity checks. I'll buy the first person to
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5662 point out a bug in this reasoning a beer. */
36493a7c6253 Major speedup for new-style class creation. Turns out there was some
Guido van Rossum <guido@python.org>
parents: 24680
diff changeset
5663 }
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5664 else {
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5665 use_generic = 1;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5666 generic = p->function;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5667 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5668 } while ((++p)->offset == offset);
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5669 if (specific && !use_generic)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5670 *ptr = specific;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5671 else
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5672 *ptr = generic;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5673 return p;
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5674 }
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5675
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5676 /* 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
5677 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
5678 static int
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5679 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
5680 {
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5681 slotdef **pp = (slotdef **)data;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5682
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5683 for (; *pp; pp++)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5684 update_one_slot(type, *pp);
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5685 return 0;
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5686 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5687
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5688 /* 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
5689 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
5690 static int
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5691 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
5692 {
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5693 const slotdef *a = (const slotdef *)aa, *b = (const slotdef *)bb;
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5694 int c = a->offset - b->offset;
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5695 if (c != 0)
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5696 return c;
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5697 else
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5698 /* Cannot use a-b, as this gives off_t,
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5699 which may lose precision when converted to int. */
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5700 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
5701 }
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5702
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5703 /* 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
5704 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
5705 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
5706 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
5707 {
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5708 slotdef *p;
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5709 static int initialized = 0;
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5710
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5711 if (initialized)
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5712 return;
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5713 for (p = slotdefs; p->name; p++) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
5714 p->name_strobj = PyUnicode_InternFromString(p->name);
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5715 if (!p->name_strobj)
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5716 Py_FatalError("Out of memory interning slotdef names");
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5717 }
20457
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5718 qsort((void *)slotdefs, (size_t)(p-slotdefs), sizeof(slotdef),
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5719 slotdef_cmp);
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5720 initialized = 1;
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5721 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5722
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5723 /* 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
5724 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
5725 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
5726 {
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5727 slotdef *ptrs[MAX_EQUIV];
20423
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5728 slotdef *p;
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5729 slotdef **pp;
20457
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5730 int offset;
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5731
44654
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
5732 /* Clear the VALID_VERSION flag of 'type' and all its
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
5733 subclasses. This could possibly be unified with the
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
5734 update_subclasses() recursion below, but carefully:
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
5735 they each have their own conditions on which to stop
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
5736 recursing into subclasses. */
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
5737 type_modified(type);
5a71dcc71eff Merged revisions 59921-59932 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44626
diff changeset
5738
20457
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5739 init_slotdefs();
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5740 pp = ptrs;
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5741 for (p = slotdefs; p->name; p++) {
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5742 /* XXX assume name is interned! */
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5743 if (p->name_strobj == name)
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5744 *pp++ = p;
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5745 }
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5746 *pp = NULL;
20423
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5747 for (pp = ptrs; *pp; pp++) {
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5748 p = *pp;
20457
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5749 offset = p->offset;
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5750 while (p > slotdefs && (p-1)->offset == offset)
20423
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5751 --p;
20457
4f71dcfd0a93 Refactored the update_slot() code a bit to be hopefully slightly more
Guido van Rossum <guido@python.org>
parents: 20445
diff changeset
5752 *pp = p;
20382
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5753 }
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5754 if (ptrs[0] == NULL)
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5755 return 0; /* Not an attribute that affects any slots */
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5756 return update_subclasses(type, name,
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5757 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
5758 }
be08734b0afd Another step in the right direction: when a new class's attribute
Guido van Rossum <guido@python.org>
parents: 20345
diff changeset
5759
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5760 /* 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
5761 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
5762 dict. */
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5763 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
5764 fixup_slot_dispatchers(PyTypeObject *type)
18933
09df3254b49d Merge of descr-branch back into trunk.
Tim Peters <tim.peters@gmail.com>
parents: 18068
diff changeset
5765 {
20343
7bd12270dc3e Halfway checkin. This is still messy, but it's beginning to address
Guido van Rossum <guido@python.org>
parents: 20328
diff changeset
5766 slotdef *p;
20423
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5767
4698a3ec5fa8 Redid the slot computation. The initial slot assignments are now done
Guido van Rossum <guido@python.org>
parents: 20386
diff changeset
5768 init_slotdefs();
22834
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5769 for (p = slotdefs; p->name; )
0908729e94e0 A much revised version of SF patch 514662, by Naofumi Honda. This
Guido van Rossum <guido@python.org>
parents: 22804
diff changeset
5770 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
5771 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5772
26421
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5773 static void
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5774 update_all_slots(PyTypeObject* type)
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5775 {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5776 slotdef *p;
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5777
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5778 init_slotdefs();
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5779 for (p = slotdefs; p->name; p++) {
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5780 /* update_slot returns int but can't actually fail */
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5781 update_slot(type, p->name_strobj);
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5782 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5783 }
9d6aed2e60e2 This is my patch:
Michael W. Hudson <mwh@python.net>
parents: 26410
diff changeset
5784
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5785 /* 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
5786 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
5787 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
5788
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5789 static int
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5790 update_subclasses(PyTypeObject *type, PyObject *name,
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5791 update_callback callback, void *data)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5792 {
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5793 if (callback(type, data) < 0)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5794 return -1;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5795 return recurse_down_subclasses(type, name, callback, data);
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5796 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5797
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5798 static int
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5799 recurse_down_subclasses(PyTypeObject *type, PyObject *name,
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5800 update_callback callback, void *data)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5801 {
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5802 PyTypeObject *subclass;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5803 PyObject *ref, *subclasses, *dict;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5804 Py_ssize_t i, n;
28403
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5805
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5806 subclasses = type->tp_subclasses;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5807 if (subclasses == NULL)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5808 return 0;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5809 assert(PyList_Check(subclasses));
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5810 n = PyList_GET_SIZE(subclasses);
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5811 for (i = 0; i < n; i++) {
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5812 ref = PyList_GET_ITEM(subclasses, i);
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5813 assert(PyWeakref_CheckRef(ref));
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5814 subclass = (PyTypeObject *)PyWeakref_GET_OBJECT(ref);
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5815 assert(subclass != NULL);
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5816 if ((PyObject *)subclass == Py_None)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5817 continue;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5818 assert(PyType_Check(subclass));
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5819 /* Avoid recursing down into unaffected classes */
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5820 dict = subclass->tp_dict;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5821 if (dict != NULL && PyDict_Check(dict) &&
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5822 PyDict_GetItem(dict, name) != NULL)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5823 continue;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5824 if (update_subclasses(subclass, name, callback, data) < 0)
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5825 return -1;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5826 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5827 return 0;
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5828 }
63ed85290413 Refactoring: rename update_these_slots() into update_subclasses() and
Guido van Rossum <guido@python.org>
parents: 28396
diff changeset
5829
20586
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5830 /* 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
5831 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
5832 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
5833 corresponding descriptors are added in the type's tp_dict dictionary
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
5834 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
5835 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
5836 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
5837 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
5838 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
5839
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
5840 In the latter case, the first slotdef entry encoutered wins. Since
28390
33319458fe99 slot_sq_contains(): This leaked a reference to the result of calling
Tim Peters <tim.peters@gmail.com>
parents: 28389
diff changeset
5841 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
5842 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
5843 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
5844 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
5845 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
5846 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
5847 wins.
23830
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
5848
ade1d56109a8 Hopefully this addresses the remaining issues of SF bugs 459235 and
Guido van Rossum <guido@python.org>
parents: 23756
diff changeset
5849 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
5850 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
5851 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
5852 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
5853 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
5854 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
5855 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
5856 (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
5857 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
5858 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
5859
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5860 static int
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5861 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
5862 {
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5863 PyObject *dict = type->tp_dict;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5864 slotdef *p;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5865 PyObject *descr;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5866 void **ptr;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5867
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5868 init_slotdefs();
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5869 for (p = slotdefs; p->name; p++) {
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5870 if (p->wrapper == NULL)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5871 continue;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5872 ptr = slotptr(type, p->offset);
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5873 if (!ptr || !*ptr)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5874 continue;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5875 if (PyDict_GetItem(dict, p->name_strobj))
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5876 continue;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5877 descr = PyDescr_NewWrapper(type, p, *ptr);
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5878 if (descr == NULL)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5879 return -1;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5880 if (PyDict_SetItem(dict, p->name_strobj, descr) < 0)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5881 return -1;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5882 Py_DECREF(descr);
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5883 }
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5884 if (type->tp_new != NULL) {
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5885 if (add_tp_new_wrapper(type) < 0)
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5886 return -1;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5887 }
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5888 return 0;
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5889 }
9bd603d434f5 Big internal change that should have no external effects: unify the
Guido van Rossum <guido@python.org>
parents: 20516
diff changeset
5890
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5891
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5892 /* Cooperative 'super' */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5893
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5894 typedef struct {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5895 PyObject_HEAD
19551
01a6901cd305 Fix super() so that it is usable for static methods (like __new__) as well.
Guido van Rossum <guido@python.org>
parents: 19540
diff changeset
5896 PyTypeObject *type;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5897 PyObject *obj;
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
5898 PyTypeObject *obj_type;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5899 } superobject;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5900
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
5901 static PyMemberDef super_members[] = {
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
5902 {"__thisclass__", T_OBJECT, offsetof(superobject, type), READONLY,
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
5903 "the class invoking super()"},
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
5904 {"__self__", T_OBJECT, offsetof(superobject, obj), READONLY,
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 19970
diff changeset
5905 "the instance invoking super(); may be None"},
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
5906 {"__self_class__", T_OBJECT, offsetof(superobject, obj_type), READONLY,
30722
651fc8d98d99 Fix a bunch of typos in documentation, docstrings and comments.
Walter Dörwald <walter@livinglogic.de>
parents: 30683
diff changeset
5907 "the type of the instance invoking super(); may be None"},
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5908 {0}
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5909 };
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5910
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5911 static void
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5912 super_dealloc(PyObject *self)
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5913 {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5914 superobject *su = (superobject *)self;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5915
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
5916 _PyObject_GC_UNTRACK(self);
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5917 Py_XDECREF(su->obj);
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5918 Py_XDECREF(su->type);
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
5919 Py_XDECREF(su->obj_type);
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
5920 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
5921 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5922
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5923 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
5924 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
5925 {
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5926 superobject *su = (superobject *)self;
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5927
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
5928 if (su->obj_type)
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
5929 return PyUnicode_FromFormat(
20076
d9250d5b79a7 Change repr() of a new-style class to say <class 'ClassName'> rather
Guido van Rossum <guido@python.org>
parents: 20075
diff changeset
5930 "<super: <class '%s'>, <%s object>>",
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5931 su->type ? su->type->tp_name : "NULL",
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
5932 su->obj_type->tp_name);
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5933 else
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41716
diff changeset
5934 return PyUnicode_FromFormat(
20076
d9250d5b79a7 Change repr() of a new-style class to say <class 'ClassName'> rather
Guido van Rossum <guido@python.org>
parents: 20075
diff changeset
5935 "<super: <class '%s'>, NULL>",
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5936 su->type ? su->type->tp_name : "NULL");
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5937 }
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5938
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5939 static PyObject *
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5940 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
5941 {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5942 superobject *su = (superobject *)self;
28638
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
5943 int skip = su->obj_type == NULL;
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
5944
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
5945 if (!skip) {
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
5946 /* We want __class__ to return the class of the super object
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
5947 (i.e. super, or a subclass), not the class of su->obj. */
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
5948 skip = (PyUnicode_Check(name) &&
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
5949 PyUnicode_GET_SIZE(name) == 9 &&
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
5950 PyUnicode_CompareWithASCIIString(name, "__class__") == 0);
28638
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
5951 }
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
5952
9be4103807f5 - super() no longer ignores data descriptors, except __class__. See
Guido van Rossum <guido@python.org>
parents: 28625
diff changeset
5953 if (!skip) {
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
5954 PyObject *mro, *res, *tmp, *dict;
22770
314e1416aa5d SF patch 537536 by Phillip J. Eby, fix for SF bug 535444, super()
Guido van Rossum <guido@python.org>
parents: 22713
diff changeset
5955 PyTypeObject *starttype;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5956 descrgetfunc f;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36169
diff changeset
5957 Py_ssize_t i, n;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5958
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
5959 starttype = su->obj_type;
22770
314e1416aa5d SF patch 537536 by Phillip J. Eby, fix for SF bug 535444, super()
Guido van Rossum <guido@python.org>
parents: 22713
diff changeset
5960 mro = starttype->tp_mro;
314e1416aa5d SF patch 537536 by Phillip J. Eby, fix for SF bug 535444, super()
Guido van Rossum <guido@python.org>
parents: 22713
diff changeset
5961
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5962 if (mro == NULL)
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5963 n = 0;
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5964 else {
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5965 assert(PyTuple_Check(mro));
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5966 n = PyTuple_GET_SIZE(mro);
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
5967 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5968 for (i = 0; i < n; i++) {
19551
01a6901cd305 Fix super() so that it is usable for static methods (like __new__) as well.
Guido van Rossum <guido@python.org>
parents: 19540
diff changeset
5969 if ((PyObject *)(su->type) == PyTuple_GET_ITEM(mro, i))
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5970 break;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5971 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5972 i++;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5973 res = NULL;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5974 for (; i < n; i++) {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5975 tmp = PyTuple_GET_ITEM(mro, i);
20978
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
5976 if (PyType_Check(tmp))
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
5977 dict = ((PyTypeObject *)tmp)->tp_dict;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
5978 else
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
5979 continue;
44f3f5a5bfe2 Changing diapers reminded Guido that he wanted to allow for some measure
Tim Peters <tim.peters@gmail.com>
parents: 20754
diff changeset
5980 res = PyDict_GetItem(dict, name);
28640
4824aab12549 Sigh. The crucial change was still missing from the previous
Guido van Rossum <guido@python.org>
parents: 28638
diff changeset
5981 if (res != NULL) {
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5982 Py_INCREF(res);
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
5983 f = Py_TYPE(res)->tp_descr_get;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5984 if (f != NULL) {
31800
37dc8c80ca7e Ensure super() lookup of descriptor from classmethod works (SF #743627)
Phillip J. Eby <pje@telecommunity.com>
parents: 31477
diff changeset
5985 tmp = f(res,
37dc8c80ca7e Ensure super() lookup of descriptor from classmethod works (SF #743627)
Phillip J. Eby <pje@telecommunity.com>
parents: 31477
diff changeset
5986 /* Only pass 'obj' param if
37dc8c80ca7e Ensure super() lookup of descriptor from classmethod works (SF #743627)
Phillip J. Eby <pje@telecommunity.com>
parents: 31477
diff changeset
5987 this is instance-mode super
37dc8c80ca7e Ensure super() lookup of descriptor from classmethod works (SF #743627)
Phillip J. Eby <pje@telecommunity.com>
parents: 31477
diff changeset
5988 (See SF ID #743627)
37dc8c80ca7e Ensure super() lookup of descriptor from classmethod works (SF #743627)
Phillip J. Eby <pje@telecommunity.com>
parents: 31477
diff changeset
5989 */
31813
8184c677713f Get rid of gcc warning.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 31800
diff changeset
5990 (su->obj == (PyObject *)
8184c677713f Get rid of gcc warning.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 31800
diff changeset
5991 su->obj_type
31800
37dc8c80ca7e Ensure super() lookup of descriptor from classmethod works (SF #743627)
Phillip J. Eby <pje@telecommunity.com>
parents: 31477
diff changeset
5992 ? (PyObject *)NULL
37dc8c80ca7e Ensure super() lookup of descriptor from classmethod works (SF #743627)
Phillip J. Eby <pje@telecommunity.com>
parents: 31477
diff changeset
5993 : su->obj),
22774
02fddf7c25c2 Fold some long lines. Delete blank initial line.
Guido van Rossum <guido@python.org>
parents: 22770
diff changeset
5994 (PyObject *)starttype);
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5995 Py_DECREF(res);
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5996 res = tmp;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5997 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5998 return res;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
5999 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6000 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6001 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6002 return PyObject_GenericGetAttr(self, name);
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6003 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6004
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6005 static PyTypeObject *
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6006 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
6007 {
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6008 /* Check that a super() call makes sense. Return a type object.
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6009
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6010 obj can be a new-style class, or an instance of one:
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6011
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
6012 - If it is a class, it must be a subclass of 'type'. This case is
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6013 used for class methods; the return value is obj.
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6014
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6015 - If it is an instance, it must be an instance of 'type'. This is
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6016 the normal case; the return value is obj.__class__.
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6017
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6018 But... when obj is an instance, we want to allow for the case where
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
6019 Py_TYPE(obj) is not a subclass of type, but obj.__class__ is!
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6020 This will allow using super() with a proxy for obj.
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6021 */
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6022
27942
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6023 /* Check for first bullet above (special case) */
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6024 if (PyType_Check(obj) && PyType_IsSubtype((PyTypeObject *)obj, type)) {
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6025 Py_INCREF(obj);
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6026 return (PyTypeObject *)obj;
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6027 }
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6028
9255fbde43f3 The recent changes to super(), in particular supercheck(), broke when
Guido van Rossum <guido@python.org>
parents: 27866
diff changeset
6029 /* Normal case */
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
6030 if (PyType_IsSubtype(Py_TYPE(obj), type)) {
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
6031 Py_INCREF(Py_TYPE(obj));
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
6032 return Py_TYPE(obj);
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6033 }
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6034 else {
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6035 /* Try the slow way */
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6036 static PyObject *class_str = NULL;
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6037 PyObject *class_attr;
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6038
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6039 if (class_str == NULL) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41824
diff changeset
6040 class_str = PyUnicode_FromString("__class__");
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6041 if (class_str == NULL)
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6042 return NULL;
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6043 }
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6044
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6045 class_attr = PyObject_GetAttr(obj, class_str);
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6046
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6047 if (class_attr != NULL &&
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6048 PyType_Check(class_attr) &&
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
6049 (PyTypeObject *)class_attr != Py_TYPE(obj))
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6050 {
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6051 int ok = PyType_IsSubtype(
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6052 (PyTypeObject *)class_attr, type);
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6053 if (ok)
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6054 return (PyTypeObject *)class_attr;
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6055 }
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6056
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6057 if (class_attr == NULL)
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6058 PyErr_Clear();
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6059 else
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6060 Py_DECREF(class_attr);
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6061 }
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6062
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
6063 PyErr_SetString(PyExc_TypeError,
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6064 "super(type, obj): "
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6065 "obj must be an instance or subtype of type");
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6066 return NULL;
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6067 }
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6068
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6069 static PyObject *
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6070 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
6071 {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6072 superobject *su = (superobject *)self;
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
6073 superobject *newobj;
19469
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 if (obj == NULL || obj == Py_None || su->obj != NULL) {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6076 /* Not binding to an object, or already bound */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6077 Py_INCREF(self);
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6078 return self;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6079 }
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
6080 if (Py_TYPE(su) != &PySuper_Type)
34958
c91e5e31c5ff Fixed a quite misleading comment: a "not" should not have been there.
Armin Rigo <arigo@tunes.org>
parents: 34668
diff changeset
6081 /* If su is an instance of a (strict) subclass of super,
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6082 call its type */
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
6083 return PyObject_CallFunctionObjArgs((PyObject *)Py_TYPE(su),
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
6084 su->type, obj, NULL);
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6085 else {
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6086 /* Inline the common case */
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6087 PyTypeObject *obj_type = supercheck(su->type, obj);
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6088 if (obj_type == NULL)
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6089 return NULL;
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
6090 newobj = (superobject *)PySuper_Type.tp_new(&PySuper_Type,
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6091 NULL, NULL);
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
6092 if (newobj == NULL)
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6093 return NULL;
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6094 Py_INCREF(su->type);
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6095 Py_INCREF(obj);
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
6096 newobj->type = su->type;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
6097 newobj->obj = obj;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
6098 newobj->obj_type = obj_type;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
6099 return (PyObject *)newobj;
21151
918b57354d87 Address SF patch #480716 as well as related issues.
Guido van Rossum <guido@python.org>
parents: 21142
diff changeset
6100 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6101 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6102
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6103 static int
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6104 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
6105 {
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6106 superobject *su = (superobject *)self;
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6107 PyTypeObject *type = NULL;
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
6108 PyObject *obj = NULL;
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6109 PyTypeObject *obj_type = NULL;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6110
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40401
diff changeset
6111 if (!_PyArg_NoKeywords("super", kwds))
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40401
diff changeset
6112 return -1;
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6113 if (!PyArg_ParseTuple(args, "|O!O:super", &PyType_Type, &type, &obj))
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6114 return -1;
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6115
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6116 if (type == NULL) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6117 /* Call super(), without args -- fill in from __class__
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6118 and first local variable on the stack. */
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6119 PyFrameObject *f = PyThreadState_GET()->frame;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6120 PyCodeObject *co = f->f_code;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6121 int i, n;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6122 if (co == NULL) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6123 PyErr_SetString(PyExc_SystemError,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6124 "super(): no code object");
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6125 return -1;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6126 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6127 if (co->co_argcount == 0) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6128 PyErr_SetString(PyExc_SystemError,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6129 "super(): no arguments");
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6130 return -1;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6131 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6132 obj = f->f_localsplus[0];
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6133 if (obj == NULL) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6134 PyErr_SetString(PyExc_SystemError,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6135 "super(): arg[0] deleted");
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6136 return -1;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6137 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6138 if (co->co_freevars == NULL)
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6139 n = 0;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6140 else {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6141 assert(PyTuple_Check(co->co_freevars));
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6142 n = PyTuple_GET_SIZE(co->co_freevars);
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6143 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6144 for (i = 0; i < n; i++) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6145 PyObject *name = PyTuple_GET_ITEM(co->co_freevars, i);
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6146 assert(PyUnicode_Check(name));
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6147 if (!PyUnicode_CompareWithASCIIString(name,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6148 "__class__")) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6149 PyObject *cell =
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6150 f->f_localsplus[co->co_nlocals + i];
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6151 if (cell == NULL || !PyCell_Check(cell)) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6152 PyErr_SetString(PyExc_SystemError,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6153 "super(): bad __class__ cell");
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6154 return -1;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6155 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6156 type = (PyTypeObject *) PyCell_GET(cell);
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6157 if (type == NULL) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6158 PyErr_SetString(PyExc_SystemError,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6159 "super(): empty __class__ cell");
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6160 return -1;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6161 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6162 if (!PyType_Check(type)) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6163 PyErr_Format(PyExc_SystemError,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6164 "super(): __class__ is not a type (%s)",
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
6165 Py_TYPE(type)->tp_name);
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6166 return -1;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6167 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6168 break;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6169 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6170 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6171 if (type == NULL) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6172 PyErr_SetString(PyExc_SystemError,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6173 "super(): __class__ cell not found");
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6174 return -1;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6175 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6176 }
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6177
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6178 if (obj == Py_None)
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6179 obj = NULL;
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6180 if (obj != NULL) {
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6181 obj_type = supercheck(type, obj);
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6182 if (obj_type == NULL)
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6183 return -1;
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6184 Py_INCREF(obj);
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6185 }
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6186 Py_INCREF(type);
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6187 su->type = type;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6188 su->obj = obj;
27831
6b5696541ba4 Implement another useful feature for proxies: in super(X, x), x may
Guido van Rossum <guido@python.org>
parents: 27821
diff changeset
6189 su->obj_type = obj_type;
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6190 return 0;
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6191 }
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6192
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23830
diff changeset
6193 PyDoc_STRVAR(super_doc,
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6194 "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
6195 "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
6196 "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
6197 "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
6198 "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
6199 "class C(B):\n"
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6200 " def meth(self, arg):\n"
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6201 " super().meth(arg)\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6202 "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
6203 "class C(B):\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6204 " @classmethod\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6205 " def cmeth(cls, arg):\n"
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42081
diff changeset
6206 " 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
6207
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6208 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
6209 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
6210 {
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6211 superobject *su = (superobject *)self;
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
6212
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
6213 Py_VISIT(su->obj);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
6214 Py_VISIT(su->type);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 37191
diff changeset
6215 Py_VISIT(su->obj_type);
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6216
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6217 return 0;
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6218 }
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6219
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6220 PyTypeObject PySuper_Type = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42203
diff changeset
6221 PyVarObject_HEAD_INIT(&PyType_Type, 0)
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6222 "super", /* tp_name */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6223 sizeof(superobject), /* tp_basicsize */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6224 0, /* tp_itemsize */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6225 /* methods */
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
6226 super_dealloc, /* tp_dealloc */
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6227 0, /* tp_print */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6228 0, /* tp_getattr */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6229 0, /* tp_setattr */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6230 0, /* tp_compare */
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6231 super_repr, /* tp_repr */
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6232 0, /* tp_as_number */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6233 0, /* tp_as_sequence */
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
6234 0, /* tp_as_mapping */
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6235 0, /* tp_hash */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6236 0, /* tp_call */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6237 0, /* tp_str */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6238 super_getattro, /* tp_getattro */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6239 0, /* tp_setattro */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6240 0, /* tp_as_buffer */
20220
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6241 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
0b99174d6b17 Add Garbage Collection support to new-style classes (not yet to their
Guido van Rossum <guido@python.org>
parents: 20204
diff changeset
6242 Py_TPFLAGS_BASETYPE, /* tp_flags */
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
6243 super_doc, /* tp_doc */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
6244 super_traverse, /* tp_traverse */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
6245 0, /* tp_clear */
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6246 0, /* tp_richcompare */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6247 0, /* tp_weaklistoffset */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6248 0, /* tp_iter */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6249 0, /* tp_iternext */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6250 0, /* tp_methods */
19630
ae056f114974 Give 'super' a decent repr(), and readonly attributes to access the
Guido van Rossum <guido@python.org>
parents: 19618
diff changeset
6251 super_members, /* tp_members */
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6252 0, /* tp_getset */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6253 0, /* tp_base */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6254 0, /* tp_dict */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6255 super_descr_get, /* tp_descr_get */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6256 0, /* tp_descr_set */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6257 0, /* tp_dictoffset */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6258 super_init, /* tp_init */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6259 PyType_GenericAlloc, /* tp_alloc */
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6260 PyType_GenericNew, /* tp_new */
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41501
diff changeset
6261 PyObject_GC_Del, /* tp_free */
19469
b3c92f013869 Add 'super', another new object type with magical properties.
Guido van Rossum <guido@python.org>
parents: 19464
diff changeset
6262 };